Options & Specifications

You want your truck to be equipped just so. That's why Sierra offers a comprehensive array of available packages and individual options. It's a world of choice.

Safety & Security
| Mechanical
| Exterior
| Interior
| Seats
| Entertainment
| Specifications

S = Standard O = Optional — = Not Available

Safety & Security

	WT	SLE	SLT	Hybrid	Denali

Airbags – 1500; dual-stage, driver and right front passenger, frontal. Includes front Passenger Sensing System with automatic air bag suppression	S	S	S	S	S
Airbags – 1500; roof rail mounted side head curtain for all outboard seating positions with rollover sensor	S	S	S	S	S
Airbags – 1500; seat-mounted side-impact, driver and right front passenger for thorax and pelvic protection	S	S	S	S	S
OnStar^® In-Vehicle Communications and Assistance Service – includes 6 months of the Directions & Connections Plan* with Turn-by-Turn Navigation and OnStar RemoteLink™^* OnStar^® System With 6 Months Directions and Connections Plan Automatic Crash Response Emergency Services Crisis Assist Stolen Vehicle Assistance Remote Door Unlock Roadside Assistance Remote Horn and Lights Turn-by-Turn Navigation Hands-Free Calling Vehicle Diagnostics	S	S	S	S	S
Safety restraints – LATCH (Lower Anchors and top Tethers for Children) – Ext. and Crew Cab	S	S	S	S	S
Safety restraints – Top tether anchor – Reg. Cab	S	S	—	—	—
Side Guard Door Beams	S	S	S	S	S
StabiliTrak^® – electronic stability control system with proactive roll avoidance, electronic trailer sway control and hill hold assist	S	S	S	S	S
Theft-deterrent system – electronic immobilizer	S	S	S	S	S

Mechanical

	WT	SLE	SLT	Hybrid	Denali

Air cleaner – high capacity	O	O	S	—	S
All Terrain Package – includes "All Terrain" badging on front fenders and carpeted floor mats, brushed metal accents on instrument panel, chrome grille insert and surround, body-colour side mouldings with chrome insert, 18" chrome-clad aluminum wheels (4), P265/65R18 On/Off road tires (4) and Z71 Off-Road suspension with Rancho^® shocks. Automatic climate control, fog lights and full-feature body-colour exterior rear-view mirrors are included on SLE models. Available on 1500 Extended Cab Standard Box and Crew Cab models only	—	O	O	—	—
Brakes – 1500; electro-hydraulic power, 4-wheel disc with 4-wheel anti-lock braking system (ABS), dynamic rear proportioning and regenerative baking system	—	—	—	S	—
Brakes – 1500; power, front disc/rear drum with 4-wheel anti-lock braking system (ABS) and dynamic rear proportioning – rear disc brakes on Ext. and Crew Cabs when equipped with the 6.2L V8 engine	S	S	S	—	S
Engine – 1500 Ext. Cab (all) and Crew Cab (all); Vortec™ 5.3L V8 FlexFuel capable with Active Fuel Management^® & Variable Valve Timing, Horsepower: 326 @ 5300 rpm; Torque: 348 lb.-ft. @ 4400 rpm	—	—	S	—	—
Engine – 1500 Ext. Cab Long Box (all); Vortec™ 5.3L V8 FlexFuel capable with Active Fuel Management^® & Variable Valve Timing, Horsepower: 326 @ 5300 rpm; Torque: 348 lb.-ft. @ 4400 rpm	S	S	—	—	—
Engine – 1500 Ext. Cab Standard Box (all) and Crew Cab (all); Vortec™ 6.2L V8 FlexFuel capable with Variable Valve Timing, Horsepower: 403 @ 5700 rpm; Torque: 417 lb.-ft. @ 4300 rpm	—	O	O	—	—
Engine – 1500 Ext. Cab Standard Box 4x4 and Crew Cab (all); Vortec™ 4.8L V8 FlexFuel capable with Variable Valve Timing, Horsepower: 302 @ 5600 rpm; Torque: 305 lb.-ft. @ 4600 rpm	S	—	—	—	—
Engine – 1500 Reg. Cab (all) & Ext. Cab Standard Box, 2WD; Vortec™ 4.3L V6, Horsepower: 195 @ 4600 rpm; Torque: 260 lb.-ft. @ 2800 rpm	S	—	—	—	—
Engine – 1500 Reg. Cab (all) & Ext. Cab Standard Box, 2WD; Vortec™ 4.8L V8 FlexFuel capable with Variable Valve Timing, Horsepower: 302 @ 5600 rpm; Torque: 305 lb.-ft. @ 4600 rpm	O	—	—	—	—
Engine – 1500 Reg. Cab (all), Ext. Cab Standard Box (all) and Crew Cab (all); Vortec™ 4.8L V8 FlexFuel capable with Variable Valve Timing, Horsepower: 302 @ 5600 rpm; Torque: 305 lb.-ft. @ 4600 rpm	—	S	—	—	—
Engine – 1500 Reg. Cab (all), Ext. Cab Standard Box (all) and Crew Cab (all); Vortec™ 5.3L V8 FlexFuel capable with Active Fuel Management^® & Variable Valve Timing, Horsepower: 326 @ 5300 rpm; Torque: 348 lb.-ft. @ 4400 rpm	O	O	—	—	—
Engine – 1500; Vortec™ 6.2L V8 FlexFuel capable with Variable Valve Timing, Horsepower: 403 @ 5700 rpm; Torque: 417 lb.-ft. @ 4300 rpm	—	—	—	—	S
Engine – Block heater	O	O	O	O	O
Engine – Vortec™ 6.0L LIVC V8 with Variable Valve Timing (VVT) and Active Fuel Management^® (AFM), Hybrid electric propulsion system with 300-volt Hybrid battery pack and high voltage management module; Horsepower – 332 @ 5100 rpm; Torque – 367 lb.-ft. @ 4100 rpm	—	—	—	S	—
Fuel Economy Package (XFE) – available on 1500 2WD Crew Cab only; includes Vortec™ 5.3L V8 engine with aluminum block, 6-speed automatic transmission, heavy-duty enhanced cooling package, 3.08:1 rear axle ratio, 3039 kg (6700 lb.) GVWR, P245/70R17 ALS tires on 17-inch aluminum wheels and soft tonneau cover	—	O	—	—	—
Heavy-Duty Enhanced Cooling Package – includes external transmission and engine oil coolers, heavy-duty radiator and electric cooling fan	O	O	S	—	S
Lamp provision for cab - roof mounted, provides an instrument panel-mounted switch and electrical wiring tucked beneath the headliner for a body upfitter to connect a body mounted warning or emergency lamp. 30-amp nominal rating	O	O	—	—	—
Locking differential – rear	O	O	S	S	S
MAX Trailering Package (NHT) – available on 1500 Extended Cab Standard Box and Crew Cab models; includes increased Gross Vehicle Weight Ratings (GVWRs), Vortec™ 6.2L V8 engine, heavy-duty 9.5" rear axle, 3.73:1 rear axle ratio, 4-wheel disc brakes with ABS, 6-speed (model 6L80) automatic transmission and P265/70R17 On-Off Road tires and 17-inch aluminum wheels are included if not already equipped. A heavy-duty enhanced cooling package protects both the engine and transmission. A high-capacity air cleaner, locking rear differential, fog lights and Trailering Special Equipment Package are included if not already equipped	—	O	O	—	—
Sierra Off-Road Package – includes "All Terrain" badging on front fenders and carpeted floor mats, brushed metal accents on instrument panel, body-coloured grille insert and surround, body-colour side mouldings with chrome insert, body-colour front and rear bumpers, 20" chrome-clad aluminum wheels (4), P275/55R20 All Terrain tires (4) and Z71 Off-Road suspension with Rancho^® shocks and ultrasonic rear parking assist. Automatic climate control, fog lights and full-feature body-colour exterior rear-view mirrors are included on SLE models. Available on 1500 Extended Cab Standard Box and Crew Cab models only	—	O	O	—	—
Snow Plow Prep Provisions – includes 15 amp power for backup and roof emergency light, 160 amp alternator, forward lamp wiring harness, 85 mm (3.35") access hole with grommet in front of dash panel, roof beacon lamp provisions with switch in the overhead console, instrument panel jumper wiring harness for electric brake contoller, high capacity air cleaner, auxiliary external transmission oil cooler and skid plate package.	O¹	O¹	—	—	—
Special Edition Package – available on Extended Cab standard box and Crew Cab models: includes Vortec™ 5.3L V8 engine, 6-speed automatic transmission, Heavy-Duty Enhanced Cooling Package, locking rear differential, 17-inch sport polished aluminum wheels, Trailering Special Equipment Package, AM/FM stereo with CD player and MP3 playback capability, steering wheel audio system controls, Bluetooth^® phone connectivity, power 6-way driver's seat adjuster with either a split bench or bucket front seats, dual-zone climate controls, for lights and locking EZ Lift tailgate	—	O	—	—	—
Steering – 1500; power, rack-and-pinion – electric assist on Hybrid	S	S	S	S	S
Suspension – 1500; Z60, High-Performance with mono tube shock absorber and a lowered ride height – not available on Long Box models	—	O	O	—	S
Suspension – 1500; Z71, Off-Road with 46 mm mono tube shock absorber, off-road jounce bumpers and heavy-duty front stabilizer bar, also includes high capacity air cleaner, skid plates, locking differential and Z71 decals	—	O	O	—	—
Suspension – 1500; Z83, Solid Smooth Ride with 46 mm twin tube shock absorbers and 32 mm front stabilizer bar	S	—	—	—	—
Suspension – 1500; Z85, Handling/Trailering with 46 mm mono-tube shock absorbers and 34 mm front stabilizer bar	O	S	S	S	—
Trailer electric brake controller	O	O	O	O	O
Trailering Special Equipment Package – includes weight-distributing trailer hitch platform with a 2-inch receiver on 1500 models and 2.5-inch receiver with a 2-inch adapter on 2500HD/3500HD. Also includes a 7-wire harness with independently fused trailering circuits mated to a 7-way sealed connector and 4 blunt-cut wires in the instrument panel for an aftermarket trailer brake controller (except when equipped with optional integrated trailer brake control) and a lead for a centre high-mounted stoplight. Includes extra capacity transmission cooling and a high-capacity air cleaner if not already equipped	O	O	S	S	S
Transfer case 4x4 models – 1500; Autotrac™ with electronic rotary dial	—	S	S	S	—
Transfer case 4x4 models – lever-operated, 2-speed part-time	S	—	—	—	—
Transfer case – All-Wheel Drive, full-time	—	—	—	—	S
Transmission – 1500 Hybrid; 4-speed automatic integrated with Hybrid electronically variable propulsion system	—	—	—	S	—
Transmission – 1500; 4-speed automatic (model 4L60E) with overdrive and Tow/Haul mode used on models equipped with the Vortec™ 4.3L V6 or 4.8L V8 engines – 6-speed automatic (model 6L80) with tap-up/tap-down shift control and Tow/Haul mode used on all models equipped with the Vortec™ 5.3L V8 or Vortec™ 6.2L V8 engines	S	S	S	—	S
Vehicle Starter System – Remote, adaptive	—	O²	S	—	S

Exterior

	WT	SLE	SLT	Hybrid	Denali

Assist steps – tubular, 3", chrome	O	O	O	—	O
Assist steps – tubular, 6" oval, chrome	O	O	O	—	O
Bumper – front, colour-keyed fascia	—	—	—	—	S
Bumper – rear, chrome with step pad	S	S	S	S	—
Bumper – rear, colour-keyed steel with step pad	—	—	—	—	S
Bumpers – front chrome with black top cap	S	—	—	—	—
Bumpers – front chrome with body-colour top cap	—	S	S	S	—
Cargo management pickup box – includes aluminum front and side C-channel rails in pickup box with 4 adjustable tie-down hooks	O	O	O	—	O
Chrome Appearance Package, Deluxe – includes chrome recovery hooks, chrome mirror caps, chrome door handles and chrome exhaust tips	O	O	O	—	—
Front license plate provisions – (included with vehicles shipped to British Columbia, Manitoba, New Brunswick, Ontario and Newfoundland)	O	O	O	O	O
Glass – deep-tinted, all windows behind front doors	O	S	S	S	S
Glass – Solar-Ray, tinted	S	S	S	S	S
Grille - chrome surround with chrome horizontal bars	O³	S	S	S	—
Grille - Denali specific, full chrome	—	—	—	—	S
Grille – moulded plastic with black surround	S	—	—	—	—
Lights – dual halogen composite with automatic exterior light control and flash to pass feature. Cargo area lighting	S	S	S	S	S
Lights – Fog lights	O³	O²	S	—	S
Mirrors – Camper type with manual extend capability	O	—	—	—	—
Mirrors – deluxe wide-load, manual extending and folding, heated, integrated turn signals with lower convex spotter, black	—	O	O	—	—
Mirrors – manual folding, black	S	—	—	—	—
Mirrors – manual folding, power remote control, heated, black	—	S	—	S	—
Mirrors – power folding, power remote control, heated, integral turn signal indicators, electrochromic auto-dimming driver's side, body-colour	—	—	S	—	S
Mouldings – bodyside, body-coloured	—	S	S	S	—
Mouldings – bodyside, body-coloured with chrome accent	—	—	—	—	S
Rear vision camera – reverse assist for parking or trailer towing (includes interior rear-view mirror display) – not available on Reg. Cab models	—	O	O	—	S
Recovery hooks – two, front	O⁴	O⁴	O⁴	O⁴	S
Sierra Nevada Edition – available on 1500 Extended Cab and Crew Cab WT models; includes Vortec™ 4.8L V8 engine, 17-inch chrome appearance steel wheels, chrome front bumper with body-colour top cap, chrome grille surround with chrome horizontal bars, deep-tinted glass on all windows behind the front doors, heated power exterior rear-view mirrors, body-colour side mouldings, remote keyless entry system, power door locks and windows, CD player with MP3 playback, cruise control, colour-keyed floor carpet with vinyl mats and "Sierra Nevada Edition" decals on front doors and tailgate	O	—	—	—	—
Skid plates – off-road, includes shields for engine, transmission, transfer case and front differential, included with Z71 suspension (4x4 only)	O	O	O	—	S
SL Package – 1500 Regular Cab and Extended Cab Long Box models; includes 17" chrome appearance steel wheels with chrome centre caps, chrome grille and fog lights	O	—	—	—	—
SLE Exterior Package - 1500 - Includes remote vehicle starter system, fog lights, universal home remote, auto-dimming interior rear-view mirror and 17" sport polished aluminum wheels. Also includes uplevel power remote control exterior mirrors (heated, power folding with integral turn signal indicators) on Extended and Crew cabs.	—	O	—	—	—
Spare tire – full-size, mounted on steel wheel	S	S	S	S	S
Sunroof – power, with express-open, includes short overhead console (Ext. and Crew Cab)	—	O	O	O	O
Tailgate Package – includes EZ Lift tailgate, lockable	—	O	O	S	S
Tire – spare tire carrier – locking, rear underbody, winch-mounted	S	S	S	S	S
Tires – P245/70R17 all-season, 1500 2WD models^**	S	S	—	—	—
Tires – P265/65R18 all-season, 1500 models^**	—	—	—	S	—
Tires – P265/65R18 On-Off road	—	O	O	—	—
Tires – P265/70R17 all-season, 1500 4x4 models^**	S	S	—	—	—
Tires – P275/55R20 all-season, 1500 models – requires Z60 High Performance Suspension^**	—	O	O	—	S
Two tone fusion film, Durashield – Gradient colour, fades from light gray to black going from top to bottom. Enhances appearance and protects from road rash. Extended cab standard box and crew cab models	—	O	O	O	O
Ultrasonic rear parking assist – rear obstacle detection system with audible warning	—	O⁵	O⁶	O	—
Wheel well moulding – black. Extended cab standard box and crew cab models	—	O	O	—	—
Wheel – 1500; 17-inch painted steel (NX7)	S	—	—	—	—
Wheels – 1500; 17-inch chrome appearance steel (PY9)	O	S	—	—	—
Wheels – 1500; 17-inch sport polished aluminum (N88)	—	O²	—	—	—
Wheels – 1500; 18-inch 5-spoke chrome-clad aluminum with All Terrain Package (RZF)	—	O	O	—	—
Wheels – 1500; 18-inch chrome-clad aluminum (R08)	—	—	S	S	—
Wheels – 1500; 20-inch 8-spoke chromed aluminum (P41)	—	—	—	—	S
Wheels – 1500; 20-inch chrome-clad aluminum (S86)	—	O	O	—	—
Windshield wipers – variable delay (intermittent), flat-blade with wet arm washers	S	S	S	S	S

Interior

	WT	SLE	SLT	Hybrid	Denali

Climate control – Automatic, dual-zone electronic air conditioning controls	—	O⁷	S	S	S
Climate Control – manual, single-zone front air conditioning	S	S	—	—	—
Console – overhead deluxe	S	S	S	S	S
Cruise control	S	S	S	S	S
Defogger – electric rear-window	O	O	S	O	S
Floor covering – colour-keyed carpeting and removable carpeted floor mats	—	—	—	—	S
Floor covering – colour-keyed carpeting and removable vinyl floor mats (includes rear mats in Ext. and Crew Cab)	O	S	S	S	—
Floor covering – vinyl, graphite rubberized coating	S	O	—	—	—
Instrument panel – premium wtih single glove compartment	—	—	S	—	S
Instrument panel – standard with upper and lower glove compartments	S	S	—	S	—
Instrumentation – 1500; analogue gauge cluster with speedometer, tachometer, engine temperature and fuel level	S	S	S	S	S
Instrumentation – 1500; voltmeter (ECO gauge on Hybrid) and oil pressure gauges added to above	—	S	S	S	S
Instrumentation – Compass and exterior temperature display added to above	—	S	S	S	S
Instrumentation – Driver Information Centre (DIC); comprehensive multi-language system with trip odometer, engine hour meter, transmission temperature, GM Oil Life Monitoring System, tire pressure monitoring system (except 3500HD models) and visual and audible reminders/warnings	S	S	S	S	S
Instrumentation – four DIC menu buttons located on the instrument panel provide additional vehicle information and permit customization features such as automatic locking/unlocking, seat position recall, exit lighting and remote door lock/unlock	—	—	S	S	S
Locks – power, programmable with lock-out protection	—	S	S	S	S
Locks – power, programmable with lock-out protection (standard on all Crew Cabs)	O	—	—	—	—
Locks – remote keyless entry system with panic button	—	S	S	S	S
Locks – remote keyless entry system with panic button (standard on all Crew Cabs)	O	—	—	—	—
Mirror – includes auto-dimming feature	—	—	S	—	S
Pedals – power adjustable brake and accelerator	—	—	O⁶	—	S
Safety Package – includes power adjustable pedals and ultrasonic rear parking assist (Extended and Crew Cab models)	—	O	—	—	S
SLE Interior Package – includes AM/FM stereo with MP3 compatible CD player, Bluetooth^® connectivity, steering wheel-mounted audio system controls, power 6-way driver's seat adjuster with 40/20/40 split-bench and dual-zone automatic climate controls on Extended and Crew Cab models	—	O	—	—	—
SLT Convenience Package – includes universal home remote, power adjustable pedals and ultrasonic rear parking assist	—	—	O	—	—
Steering column – tilt adjustable	S	S	S	S	S
Steering wheel – audio system controls	O⁸	O⁷	S	S	—
Steering wheel – heated, leather-wrapped and wood trim with audio system and cruise controls	—	—	—	—	S
Steering wheel – leather-wrapped	O⁸	S	S	S	—
Sunshades – LH and RH, padded; colour-keyed cloth with illuminated visor mirrors	—	S	S	S	S
Sunshades – LH and RH, padded; colour-keyed cloth; LH with pocket, RH with visor mirror	S	—	—	—	—
Universal home remote – 3-channel transmitter	—	O²	O⁶	O	S
Window – rear sliding, power operated (Ext. and Crew Cab)	—	O	O⁹	—	O⁹
Window – rear, fixed side (Ext. Cab)	S	—	—	—	—
Windows – front, includes driver and passenger express-down feature	—	—	S	—	S
Windows – front, includes driver express-down feature	—	S	—	—	—
Windows – front, power with passenger lock-out feature	—	S	S	S	S
Windows – manual	S	—	—	—	—
Windows – rear, manual drop glass (Crew Cab)	S	—	—	—	—
Windows – rear, power drop glass (Ext. and Crew Cab)	—	S	S	S	S
WT Convenience Package – 1500 only; includes power door locks, remote keyless entry system and AM/FM stereo with MP3 compatible CD player	O	—	—	—	—

Seats

	WT	SLE	SLT	Hybrid	Denali

Front 40/20/40 split-bench with driver and front-passenger manual recliners, centre fold-down armrest, vinyl or cloth trim. Includes driver manual lumbar adjuster when cloth trim specified	S	—	—	—	—
Front 40/20/40 split-bench, driver and front-passenger manual recliners, driver manual lumbar adjuster, centre fold-down armrest with storage, lockable storage compartment in centre seat cushion (includes auxiliary power outlet), seatback storage pockets on Ext. and Crew Cab models. Available in Premium cloth or with leather seat inserts. Rear folding seat includes vinyl trim when ordered with leather seat inserts	—	S	—	S	—
Front bucket seats with leather seat inserts, includes power 10-way driver and front-passenger seat adjusters (including power 2-way lumbar adjuster), heated seat cushions and seatbacks, 2-position driver memory, centre floor console and seatback storage pockets. Rear folding seat includes vinyl trim	—	—	S	—	S
Front bucket seats, includes power 6-way driver and front-passenger seat adjusters, front passenger manual recliner, driver and front passenger manual lumbar adjuster, centre console and seatback storage pockets. Available in Premium cloth or with leather-appointed seating. Rear folding seat includes vinyl trim when ordered with leather inserts	—	O¹⁰	—	O	—
Heated and cooled driver and front-passenger seats	—	—	O	—	S
Rear stadium-style fold-up seat on Crew Cab – 60/40 split-folding	—	—	—	—	S
Rear stadium-style fold-up seat on Extended and Crew Cab – 60/40 split-folding	—	S	S	—	—
Rear stadium-style fold-up seat on Extended and Crew Cab – 60/40 split-folding on Crew Cab	S	—	—	—	—
Rear stadium-style, folding bench	—	—	—	S	—
Seat adjuster – power 6-way driver seat on 40/20/40 split-bench (required with available leather seat inserts)	—	O	—	O	—

Entertainment

	WT	SLE	SLT	Hybrid	Denali

4-speaker sound system (Reg. Cab models)	S	S	—	—	—
6-speaker up-level performance sound system (Ext. and Crew Cab models)	S	S	—	S	—
AM/FM stereo with Navigation, CD/DVD player with MP3/WMA playback capability, auxiliary audio input jack, seek/scan, digital clock, auto tone control, speed-compensated volume, TheftLock^®, Radio Data System^® (RDS) and USB port. Includes 178 mm (7-inch) touch screen interface display, enhanced DVD based navigation system, voice-based commands, points-of-interest, 80 GB hard drive with 50 GB for media file downloading, time shifting up to 20 minutes and Rear Vision Camera with display in navigation screen.	—	—	O	O	O¹¹
AM/FM stereo with seek/scan and digital clock	S	—	—	—	—
AM/FM stereo, 6-disc CD changer with MP3 playback capability, auxiliary audio input jack, seek/scan, digital clock, auto tone control, speed-compensated volume, TheftLock^®, Radio Data System^® (RDS), USB port, Bose^® Premium sound system with subwoofer and 36 cross-band presets	—	O	O	—	S
AM/FM stereo, CD player with MP3 playback capability, auxiliary audio input jack, seek/scan, digital clock, auto tone control, speed-compensated volume, TheftLock^® and Radio Data System^® (RDS)	O	S	—	S	—
AM/FM stereo, CD player with MP3 playback capability, auxiliary audio input jack, seek/scan, digital clock, auto tone control, speed-compensated volume, TheftLock^®, Radio Data System^® (RDS), USB port and 36 cross-band presets	—	O	S	—	—
AM/FM stereo, CD/DVD player upper slot / CD player lower slot, both with MP3 playback capability, auxiliary audio input jack, seek/scan, digital clock, auto tone control, speed-compensated volume, TheftLock^®, Radio Data System^® (RDS), USB port and Bose^® Premium sound system with subwoofer. Includes rear DVD player, single overhead display, remote control, 2 sets of wireless headphones and auxiliary audio/video input jacks	—	—	O	—	O¹²
Bluetooth^® Convenience Package – includes Bluetooth^® connectivity and leather-wrapped steering wheel with audio system controls	—	O	—	—	—
Bluetooth^® Convenience Package – includes Bluetooth^® connectivity and leather-wrapped steering wheel with sound system controls and adds cruise control to WT models	O	—	—	—	—
Bluetooth^® – hands-free phone connectivity	O¹¹	O^7,11	S	S	S
Bose^® Premium sound system with subwoofer (Ext. and Crew Cab models)	—	O	S	—	S
Rear Seat Entertainment Package – includes DVD player, single overhead display, remote control, 2 sets of wireless headphones and auxiliary audio/video input jacks. Available on Crew Cabs only	—	—	O	—	O¹²
Rear-seat audio controls and earphone jacks (Crew Cab only)	—	—	S	—	S
XM Satellite Radio™^‡	O	O	S	S	S

Specifications

SPECIFICATIONS - SIERRA 1500 REGULAR CAB

Engines	Vortec 4.3L V6 (LU3)	Vortec 4.8L V8 FlexFuel (L20)	Vortec 5.3L V8 FlexFuel (LMG)
Type:	4.3L V6	4.8L V8	5.3L V8
Displacement (cc / cu. in.):	4,300 / 262	4,807 / 293	5,328 / 325
Bore & stroke (mm / in.):	101.6 x 88 / 4 x 3.48	96 x 83 / 3.78 x 3.27	96 x 92 / 3.78 x 3.62
Block material:	Cast iron	Cast iron	Cast iron
Cylinder head material:	Cast iron	Cast aluminum	Cast aluminum
Valvetrain:	Overhead valve, two valves per cylinder	Overhead valve, two valves per cylinder, variable valve timing	Overhead valve, two valves per cylinder, variable valve timing
Ignition system:	Direct composite distributor, extended life spark plugs, low-resistance spark plug wires	Coil near plug, extended life spark plugs, low-resistance spark plug wires	Coil near plug, extended life spark plugs, low-resistance spark plug wires
Fuel delivery:	Sequential fuel injection	Sequential fuel injection	Active Fuel Management; sequential fuel injection
Compression ratio:	9.2:1	8.8:1	9.9:1
Horsepower (hp / kW @ rpm):	195 / 145 @ 4,600	302 / 225 @ 5,600	326 / 243 @ 5,300
Torque (lb-ft / Nm @ rpm):	260 / 353 @ 2,800	305 / 414 @ 4,600	348 / 472 @ 4,400
Recommended fuel:	Regular unleaded	Regular unleaded or E85	Regular unleaded or E85
Maximum engine speed (rpm):	5600	6000	6000
Emissions controls:	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor
Estimated fuel consumption:
Mi/imp.gal (city / hwy / combined)	2WD: 20 / 28 / 23 4x4: 19 / 25 / 21	2WD: 19 / 27 / 22 4x4: 18 / 25 / 20	2WD: 20 / 30 / 23 4x4: 20 / 30 / 23
L/100km (city / hwy / combined)	2WD: 14.1 / 10.0 / 12.2 4x4: 15.0 / 11.4 / 13.4	2WD: 15.2 / 10.5 / 13.1 4x4: 15.9 / 11.2 / 13.8	2WD: 14.3 / 9.4 / 12.1 4x4: 14.3 / 9.4 / 12.1

Transmissions	Hydra-Matic 4L60	Hydra-Matic 6L80

Type:	Four-speed automatic	Six-speed automatic
Gear ratios (:1):
First:	3.06	4.03
Second:	1.63	2.36
Third:	1.00	1.53
Fourth:	0.70	1.15
Fifth:	-	0.85
Sixth:	-	0.67
Reverse:	2.29	3.06
Rear axle ratio (std. & avail.):	3.08, 3.23, 3.42 and 3.73	3.08 and 3.42

Chassis / Suspension

Front:	2WD and 4x4: independent coil-over-shock; monotube shock absorbers
Rear:	Solid axle with semi-elliptic, variable-rate, two-stage multi-leaf springs; splayed shock absorbers; monotube shocks available
Steering type:	Power-assisted rack-and-pinion (2WD and 4x4)
Steering ratio:	19.2:1
Steering wheel turns, lock-to-lock:	3.5
Turning circle, curb-to-curb (m / ft)
2WD/4x4 Reg. Cab Standard Box:	12.1 / 39.7
2WD/4x4 Reg. Cab Long Box:	13.5 / 44.3

Brakes

Type:	Power-assisted, front disc/rear drum, four-wheel ABS
Rotor diameter x thickness (mm / in.):	disc/drum brakes:
	front: 330 x 30 / 12.99 x 1.18
	rear: 295 x 60 / 11.61 x 2.36
Total swept area (sq. cm / sq. in.):	disc/drum brakes:
	front: 1,944 / 301.2
	rear: 1,112 / 172.4

Wheels / Tires

Wheel size & type:	17 in. steel
	17 in. chrome appearance steel
	17 in. sport polished aluminum
	18 in. chrome clad aluminum
	20 in. chrome clad aluminum
Tires:	P245/70R17 all season, blackwall
	P265/70R17 all season, blackwall
	LT245/70R-17 all terrain blackwall
	P265/70R17 on/off road, blackwall or white letter
	P265/65R18 all season, blackwall
	P265/65R18 on/off road, blackwall or white letter
	P275/55R20 all season, blackwall

Exterior Dimensions	Regular Cab, Standard Box	Regular Cab, Long Box

Wheelbase (mm / in.):	3,023 / 119.0	3,378 / 133.0
Overall length (mm / in.):	5,222 / 205.6	5,702 / 224.5
Overall width (mm / in.):	2,031 / 80.0	2,031 / 80.0
Overall height (mm / in.)
2WD:	1,869 / 73.6	1,867 / 73.5
4x4:	1,875 / 73.8	1,875 / 73.8
Track (mm / in.)
Front:	1,732 / 68.1	1,732 / 68.1
Rear:	1,702 / 67.0	1,702 / 67.0
Min. running ground clearance (mm / in.)
2WD:	196 / 7.7	208 / 8.2
4x4:	231 / 9.1	241 / 9.5
Ground to top of load floor (mm / in.)
2WD:	881 / 34.7	881 / 34.7
4x4:	861 / 33.9	861 / 33.9
Step-in height (mm / in.)
2WD:	574 / 22.6	574 / 22.6
4x4:	574 / 22.6	574 / 22.6
Approach angle (deg.)
2WD:	14.6	15.4
4x4:	15.6	16.3
Breakover angle (deg.)
2WD:	24.4	21.5
4x4:	24.4	21.8
Departure angle (deg.)
2WD:	25.0	24.1
4x4:	24.2	23.3

Interior	Regular Cab

Headroom (mm / in.):	1,054 / 41.5
Legroom (mm / in.):	1,049 / 41.3
Shoulder room (mm / in.):	1,656 / 65.2
Hip room (mm / in.):	1,588 / 62.5

Curb weight & payload	Max. GVWR	Base Curb Weight	Max. Payload	Weight Distribution

	(kg / lb)	(kg / lb)	(kg / lb)	(% front / rear)
2WD
Reg. Cab Standard Box:	2,903 / 6,400	2,023 / 4,460	880 / 1,940	59 / 41
Reg. Cab Long Box:	2,903 / 6,400	2,085 / 4,596	818 / 1,804	60 / 40
4x4
Reg. Cab Standard Box:	2,903 / 6,400	2,123 / 4,686	777 / 1,714	61 / 39
Reg. Cab Long Box:	3,084 / 6,800	2,271 / 5,006	814 / 1,794	61 / 39

Cargo box	Regular Cab, Standard Box	Regular Cab, Long Box

Cargo volume (L / cu. ft.):	1,719 / 60.7	2,138 / 75.5
Length at floor (mm / in.):	1,999 / 78.7	2,484 / 97.8
Width at floor (mm / in.):	1,585 / 62.4	1,585 / 62.4
Width between wheel housings (mm / in.):	1,285 / 50.6	1,285 / 50.6
Tailgate width (mm / in.):	1,562 / 61.5	1,562 / 61.5
Inside height (mm / in.):	533 / 21.0	533 / 21.0

Capacities	Regular Cab, Standard Box	Regular Cab, Long Box

Seating:	3	3
Fuel tank (L / imp. gal):	98 / 21.6	129 / 28.4

Trailering

Trailer towing maximum with ball hitch (kg / lb)		Trailer towing maximum with fifth wheel hitch (kg / lb)
Reg. Cab, Std. Box:	2WD: 4,128 / 9,100 (5.3L and 3.42 axle with K5L cooling package)	Reg. Cab, Std. Box:	2WD: 4,128 / 9,100 (5.3L and 3.42 axle with K5L cooling package)
	4x4: 4,037 / 8,900 (5.3L and 3.42 axle with K5L cooling package)		4x4: 3,720 / 8,200 (5.3L and 3.42 axle with K5L cooling package)
Reg. Cab, Long Box:	2WD: 4,536 / 10,000 (5.3L and 3.42 axle with K5L cooling package)	Reg. Cab, Long Box:	2WD: 4,037 / 8,900 (5.3L and 3.42 axle with K5L cooling package)
	4x4: 4,445 / 9,800 (5.3L and 3.42 axle with K5L cooling package)		4x4: 4,400 / 9,700 (5.3L and 3.42 axle with K5L cooling package)

SPECIFICATIONS - SIERRA 1500 EXTENDED CAB

Engines	Vortec 4.3L V6 (LU3)	Vortec 4.8L V8 FlexFuel (L20)	Vortec 5.3L V8 FlexFuel (LMG, LC9)	Vortec 6.2L V8 FlexFuel (L9H)
Type:	4.3L V6	4.8L V8	5.3L V8	6.2L V8
Displacement (cc / cu. in.):	4,300 / 262	4,807 / 293	5,328 / 325	6,162 / 376
Bore & stroke (mm / in.):	101.6 x 88 / 4 x 3.48	96 x 83 / 3.78 x 3.27	96 x 92 / 3.78 x 3.62	103.25 x 92 / 4.06 x 3.62
Block material:	Cast iron	Cast iron	LMG: Cast iron LC9: Cast aluminum	Cast aluminum
Cylinder head material:	Cast iron	Cast aluminum	Cast aluminum	Cast aluminum
Valvetrain:	Overhead valve, two valves per cylinder	Overhead valve, two valves per cylinder, variable valve timing	Overhead valve, two valves per cylinder, variable valve timing	Overhead valve, two valves per cylinder, variable valve timing
Ignition system:	Direct composite distributor, extended life spark plugs, low-resistance spark plug wires	Coil near plug, extended life spark plugs, low-resistance spark plug wires	Coil near plug, extended life spark plugs, low-resistance spark plug wires	Coil near plug, extended life spark plugs, low-resistance spark plug wires
Fuel delivery:	Sequential fuel injection	Sequential fuel injection	Active Fuel Management; sequential fuel injection	Sequential fuel injection
Compression ratio:	9.2:1	8.8:1	9.9:1	10.5:1
Horsepower (hp / kW @ rpm):	195 / 145 @ 4,600	302 / 225 @ 5,600	326 / 243 @ 5,300	403 / 301 @ 5,700
Torque (lb-ft / Nm @ rpm):	260 / 353 @ 2,800	305 / 414 @ 4,600	348 / 472 @ 4,400	417 / 565 @ 4,300
Recommended fuel:	Regular unleaded	Regular unleaded or E85	Regular unleaded or E85	Regular unleaded or E85
Maximum engine speed (rpm):	5600	6,000	6,000	6000
Emissions controls:	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor
Estimated fuel consumption:
Mi/imp.gal (city / hwy / combined)	2WD: 20 / 28 / 23	2WD: 19 / 27 / 22 4x4: 18 / 25 / 20	2WD: 20 / 30 / 23 4x4: 20 / 30 / 23	2WD: 17 / 25 / 20 4x4: 16 / 25 / 19
L/100km (city / hwy / combined)	2WD: 14.1 / 10.0 / 12.2	2WD: 15.2 / 10.5 / 13.1 4x4: 15.9 / 11.2 / 13.8	2WD: 14.3 / 9.4 / 12.1 4x4: 14.3 / 9.4 / 12.1	2WD: 17.0 / 11.1 / 14.3 4x4: 17.7 / 11.4 / 14.9

Transmissions	Hydra-Matic 4L60	Hydra-Matic 6L80

Type:	Four-speed automatic	Six-speed automatic
Gear ratios (:1):
First:	3.06	4.03
Second:	1.63	2.36
Third:	1.00	1.53
Fourth:	0.70	1.15
Fifth:	-	0.85
Sixth:	-	0.67
Reverse:	2.29	3.06
Rear axle ratio (std. & avail.):	3.23, 3.42 and 3.73	3.08, 3.42 and 3.73

Chassis / Suspension

Front:	2WD and 4x4: independent coil-over-shock; monotube shock absorbers
Rear:	Solid axle with semi-elliptic, variable-rate, two-stage multi-leaf springs; splayed shock absorbers; monotube shocks (available)
Steering type:	Power-assisted rack-and-pinion (2WD and 4x4)
Steering ratio:	16.73:1
Steering wheel turns, lock-to-lock:	3
Turning circle, curb-to-curb (m / ft):
2WD/4x4 Ext. Cab Standard Box:	14.3 / 46.9
2WD/4x4 Ext. Cab Long Box:	15.6 / 51.2

Brakes

Type:	Power-assisted, four-wheel disc, four-wheel ABS; or power-assisted, front disc/rear drum, four-wheel ABS
Rotor diameter x thickness (mm / in.):	disc/drum brakes:
	front: 330 x 30 / 12.99 x 1.18
	rear: 295 x 60 / 11.61 x 2.36
	with 4-wheel disc:
	front: 330.2 x 30 / 13 x 1.18
	rear: 342.9 x 20 / 13.5 x 0.79
Total swept area (sq. cm / sq. in.):	with disc/drum brakes:
	front: 1,944 / 301.2
	rear: 1,112 / 172.4
	with four-wheel disc:
	front: 1,656 / 257
	rear: 732 / 113

Wheels / Tires

Wheel size & type:	17 in. steel
	17 in. chrome appearance steel
	17 in. sport polished aluminum
	18 in. chrome clad aluminum
	20 in. chrome clad aluminum
Tires:	P24570R17 all season, blackwall
	P265/70R17 all season, blackwall
	LT245/70R-17 all terrain, blackwall
	P265/70R17 on/off road, blackwall or white letter
	P265/65R18 all season, blackwall
	P265/65R18 on/off road, blackwall or white letter
	P275/55R20 all season, blackwall

Exterior Dimensions	Extended Cab, Standard Box	Extended Cab, Long Box

Wheelbase (mm / in.):	3,645 / 143.5	4,000 / 157.5
Overall length (mm / in.):	5,847 / 230.2	6,330 / 249.2
Overall width (mm / in.):	2,031 / 80.0	2,031 / 80.0
Overall height (mm / in.)
2WD:	1,877 / 73.9	1,869 / 73.6
4x4:	1,872 / 73.7	1,869 / 73.6
Track (mm / in.)
Front:	1,732 / 68.1	1,732 / 68.1
Rear:	1,702 / 67.0	1,702 / 67.0
Min. running ground clearance
2WD:	226 / 8.9	229 / 9.0
4x4:	229 / 9.0	236 / 9.3
Ground to top of load floor (mm / in.):
2WD:	859 / 33.8	851 / 33.5
4x4:	848 / 33.4	841 / 33.1
Step-in height
2WD:	574 / 22.6	574 / 22.6
4x4:	574 / 22.6	574 / 22.6
Approach angle (deg.)
2WD:	15.6	15.3
4x4:	15.8	15.5
Breakover angle (deg.)
2WD:	18.0	19.6
4x4:	17.8	19.3
Departure angle (deg.)
2WD:	22.8	24.0
4x4:	22.0	23.3

Interior	Extended Cab

Headroom (mm / in.):	front: 1,046 / 41.2
	rear: 996 / 39.2
Legroom (mm / in.):	front: 1,049 / 41.3
	rear: 871 / 34.3
Shoulder room (mm / in.):	front: 1,656 / 65.2
	rear: 1,659 / 65.3
Hip room (mm / in.):	front: 1,588 / 62.5
	rear: 1,572 / 61.9

2WD

Ext. Cab Standard Box:	3,175 / 7,000	2,310 / 5,092	865 / 1,908	58 / 42
Ext. Cab Long Box:	3,130 / 6,900	2,385 / 5,259	744 / 1,641	59 / 41
4x4
Ext. Cab Standard Box:	3,266 / 7,200	2,434 / 5,365	832 / 1,835	59 / 41
Ext. Cab Long Box:	3,175 / 7,000	2,488 / 5,487	686 / 1,513	60 / 40

Cargo box	Extended Cab, Standard Box	Extended Cab, Long Box

Cargo volume (L / cu. ft.):	1,719 / 60.7	2,138 / 75.5
Length at floor (mm / in.):	1,999 / 78.7	2,484 / 97.8
Width at floor (mm / in.):	1,585 / 62.4	1,585 / 62.4
Width between wheelhousings (mm / in.):	1,285 / 50.6	1,285 / 50.6
Tailgate width (mm / in.):	1,562 / 61.5	1,562 / 61.5
Inside height (mm / in.):	533 / 21.0	533 / 21.0

Capacities	Extended Cab, Standard Box	Extended Cab, Long Box

Seating:	5 or 6	5 or 6
Fuel tank (L / imp. gal):	98 / 21.6	129 / 28.4

Trailering

Trailer towing maximum with ball hitch (kg / lb):		Trailer towing maximum with fifth wheel hitch (kg / lb):
Ext. Cab, Std. Box:	2WD: 4,400 / 9,700 (5.3L or 6.2L and 3.42 axle with K5L cooling package)	Ext. Cab, Std. Box:	2WD: 4,264 / 9,400 (5.3L or 6.2L and 3.42 axle with K5L cooling package)
	4x4: 4,355 / 9,600 (5.3L and 3.42 axle with K5L cooling package)		4x4: 4,355 / 9,600 (5.3L and 3.42 axle with K5L cooling package)
Ext. Cab, Std. Box with NHT MAX trailering pkg:	2WD: 4,854 / 10,700 (6.2L and 3.73 axle)	Ext. Cab, Std. Box with NHT MAX trailering pkg:	2WD: 4,808 / 10,600 (6.2L and 3.73 axle)
	4x4: 4,717 / 10,400 (6.2L and 3.73 axle)		4x4: 4,672 / 10,300 (6.2L and 3.73 axle)
Ext. Cab, Long Box:	2WD: 4,309 / 9,500 (5.3L and 3.42 axle with K5L cooling package)	Ext. Cab, Long Box:	2WD: 4,082 / 9,000 (5.3L and 3.42 axle with K5L cooling package)
	4x4: 4,218 / 9,300 (5.3L and 3.42 axle with K5L cooling package)		4x4: 3,674 / 8,100 (5.3L and 3.42 axle with K5L cooling package)

SPECIFICATIONS - SIERRA 1500 CREW CAB / DENALI

Engines	Vortec 4.8L V8 FlexFuel (L20)	Vortec 5.3L V8 FlexFuel (LMG)	Vortec 5.3L V8 FlexFuel (LC9)	Vortec 6.2L V8 FlexFuel (L9H)
Type:	4.8L V8	5.3L V8	5.3L V8	6.2L V8
Displacement (cc / cu in.):	4,807 / 293	5,328 / 325	5,328 / 325	6,162 / 376
Bore & stroke (mm / in.):	96 x 83 / 3.78 x 3.27	96 x 92 / 3.78 x 3.62	96 x 92 / 3.78 x 3.62	103.25 x 92 / 4.06 x 3.62
Block material:	Cast iron	Cast iron	Cast aluminum	Cast aluminum
Cylinder head material:	Cast aluminum	Cast aluminum	Cast aluminum	Cast aluminum
Valvetrain:	Overhead valve, two valves per cylinder, variable valve timing	Overhead valve, two valves per cylinder, variable valve timing	Overhead valve, two valves per cylinder, variable valve timing	Overhead valve, two valves per cylinder, variable valve timing
Ignition system:	Coil near plug, composite distributor, extended life spark plugs, low-resistance spark plug wires	Coil near plug, extended life spark plugs, low-resistance spark plug wires	Coil near plug, extended life spark plugs, low-resistance spark plug wires	Coil near plug, extended life spark plugs, low-resistance spark plug wires
Fuel delivery:	Sequential fuel injection	Active Fuel Management; sequential fuel injection	Active Fuel Management; sequential fuel injection	Sequential fuel injection
Compression ratio:	8.8:1	9.9:1	9.9:1	10.5:1
Horsepower (hp / kW @ rpm):	302 / 225 @ 5,600	326 / 243 @ 5,300	326 / 243 @ 5,300	403 / 301 @ 5,700

Torque (lb-ft / Nm @ rpm):	305 / 414 @ 4,600	348 / 472 @ 4,400	348 / 472 @ 4,400	417 / 565 @ 4,300

Recommended fuel:	Regular unleaded or E85	Regular unleaded or E85	Regular unleaded or E85	Regular unleaded or E85
Maximum engine speed (rpm):	6,000	6,000	6,000	6000
Emissions controls:	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor
Estimated fuel consumption:
Mi/imp. gal (city / hwy / combined)	2WD: 19 / 27 / 22 4x4: 18 / 25 / 20	2WD: 20 / 30 / 23	2WD: 21 / 31 / 24 (XFE) 4x4: 20 / 30 / 23	2WD: 17 / 25 / 20 4x4: 16 / 25 / 19 AWD: 16 / 25 / 19
L/100 km (city / hwy / combined)	2WD: 15.2 / 10.5 / 13.1 4x4: 15.9 / 11.2 / 13.8	2WD: 14.3 / 9.4 / 12.1	2WD: 13.7 / 9.1 / 11.6 (XFE) 4x4: 14.3 / 9.4 / 12.1	2WD: 17.0 / 11.1 / 14.3 4x4: 17.7 / 11.4 / 14.9 AWD: 17.7 / 11.1 / 14.6

Transmissions	Hydra-Matic 4L60	Hydra-Matic 6L80

Type:	4-speed automatic	6-speed automatic
Gear ratios (:1):
First:	3.06	4.03
Second:	1.63	2.36
Third:	1.00	1.53
Fourth:	0.70	1.15
Fifth:	-	0.85
Sixth:	-	0.67
Reverse:	2.29	3.06
Rear axle ratio (std. & avail.):	3.23, 3.42 and 3.73	3.08, 3.42 and 3.73

Chassis / Suspension

Front:	Independent coil-over-shock; monotube shock absorbers
Rear:	Solid axle with semi-elliptic, variable-rate, two-stage multi-leaf springs; splayed shock absorbers; monotube shocks (available)
Steering type:	Power-assisted rack-and-pinion
Steering ratio:	16.73:1
Steering wheel turns, lock-to-lock:	3
Turning circle, curb-to-curb (m / ft)
2WD/4x4 Crew cab short box:	14.4 / 47.2

Brakes

Type:	Power-assisted, four-wheel disc, four-wheel ABS; or power-assisted, front disc/rear drum, four-wheel ABS
Rotor diameter x thickness (mm / in.)
with disc/drum brakes:	front: 330 x 30 / 12.99 x 1.18
	rear: 295 x 60 / 11.61 x 2.36
with four-wheel disc:	front: 330.2 x 30 / 13 x 1.18
	rear: 342.9 x 20 / 13.5 x 0.79
Total swept area (sq. cm / sq. in.)
with disc/drum brakes:	front: 1,944 / 301.2
	rear: 1,112 / 172.4
with four-wheel disc:	front: 1,656 / 257.0
	rear: 732 / 113.0

Wheels / Tires

Wheel size & type:	17 in. steel
	17 in. chrome appearance steel
	17 in. sport polished aluminum
	18 in. chrome clad aluminum
	20 in. chrome clad aluminum
	20 x 8.5-in chromed aluminum (std. Denali)
Tires:	P24570R17 all season blackwall
	P265/70R17 all season, blackwall
	LT245/70R-17 all terrain blackwall
	P265/70R17 on/off road, blackwall or white letter
	P265/65R18 all season, blackwall
	P265/65R18 on/off road, blackwall or white letter
	P275/55R20 all season, blackwall

Exterior Dimensions	Crew Cab, Short Box

Wheelbase (mm / in.):	3,645 / 143.5
Overall length (mm / in.):	5,847 / 230.0
Overall width (mm / in.):	2,030 / 80.0
Overall height (mm / in.)
2WD:	1,875 / 73.8
4x4:	1,872 / 73.7
Track (mm / in.)
Front:	1,732 / 68.1
Rear:	1,702 / 67.0
Min. running ground clearance (mm / in.):	229 / 9.0
Ground to top of load floor (mm / in.):
2WD:	836 / 32.9
4x4:	831 / 32.7
Step-in height (mm / in.):
2WD:	561 / 22.0
4x4:	561 / 22.0
Approach angle (deg.)
2WD:	15.3
4x4:	15.5
Breakover angle (deg.)
2WD:	19.3
4x4:	19.6
Departure angle (deg.)
2WD:	22.8
4x4:	23.1

Interior	Crew Cab

Headroom (mm / in.):	front: 1,046 / 41.2
	rear: 1,029 / 40.5
Legroom (mm / in.):	front: 1,049 / 41.3
	rear: 983 / 38.7
Shoulder room (mm / in.):	front: 1,656 / 65.2
	rear: 1,654 / 65.1
Hip room (mm / in.):	front: 1,588 / 62.5
	rear: 1,661 / 65.4

Curb weight & payload	Max. GVWR	Base Curb Weight	Max. Payload	Weight Distribution

	(kg / lb)	(kg / lb)	(kg / lb)	(% front / rear)
2WD:
Crew Cab Short Box	3,220 / 7,100	2,342 / 5,163	879 / 1,937	57 / 43
4x4:
Crew Cab Short Box	3,311 / 7,300	2,454 / 5,410	857 / 1,890	58 / 42
Denali	3,175 / 7,000	2,439 / 5,377	736 / 1,623	58 / 42

Cargo box	Crew Cab, Short Box

Cargo volume (L / cu. ft.):	1,507 / 53.2
Length at floor (mm / in.):	1,760 / 69.3
Width at floor (mm / in.):	1,585 / 62.4
Width between wheelhousings (mm / in.):	1,285 / 50.6
Tailgate width (mm / in.):	1,562 / 61.5
Inside height (mm / in.):	533 / 21.0

Capacities	Crew Cab, Short Box

Seating:	5 or 6
Fuel tank (L / imp.gal):	98 / 21.6

Trailering

Trailer towing maximum with ball hitch (kg / lb):
Crew Cab, Short Box	2WD: 4,400 / 9,700 (6.2L and 3.42 axle with K5L cooling package)
	4x4: 4,309 / 9,500 (5.3L and 3.42 axle with K5L cooling package)
Crew Cab, Short Box (w/ NHT MAX trailering package)	2WD: 4,808 / 10,600 (6.2L and 3.73 axle)
	4x4: 4,717 / 10,400 (6.2L and 3.73 axle)
Denali:
	AWD: 4,264 / 9,400 (6.2L and 3.42 axle with K5L cooling package)

SPECIFICATIONS - GMC SIERRA HYBRID

Engine	Vortec 6.0L V8 FlexFuel (LZ1)
Application:	Sierra Hybrid
Displacement (cc / cu. in.):	5,967 / 364
Bore & stroke (mm / in.):	101.6 x 92 / 4.00 x 3.62
Block material:	Cast aluminum
Cylinder head material:	Cast aluminum
Valvetrain:	Overhead valve, two valves per cylinder, variable valve timing
Ignition system:	Coil-near-plug ignition, extended life spark plugs, low resistance spark plug wires
Fuel delivery:	Active Fuel Management™; sequential fuel injection
Compression ratio:	10.8:1
Horsepower (hp / kW @ rpm):	332 / 248 @ 5,100
Torque (lb-ft / Nm @ rpm):	367 / 498 @ 4,100
Recommended fuel:	Regular unleaded
Maximum engine speed (rpm):	6000
Emissions controls:	Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor
Estimated fuel consumption:
Mi/imp. gal (city / hwy / combined)	2WD: 28 / 34 / 30 4x4: 28 / 33 / 30
L/100 km (city / hwy / combined)	2WD: 10.1 / 8.4 / 9.4 4x4: 10.2 / 8.5 / 9.4

Transmission

Type:	2-mode continuous electric ratio hybrid transmission with four fixed gears
Gear ratios (:1):
First:	3.69
Second:	1.70
Third:	1.00
Fourth:	0.73
Reverse:	Infinite - 1.70
EVT1:	Infinite - 1.70
EVT2:	1.70 - .5
Rear axle ratio:	3.08

Vehicle Power System

Power electronics system:	300-volt (transmission, air conditioning); 42-volt (power steering); 12-volt (vehicle accessories)
Batteries:	300-volt (hybrid system); 12-volt (vehicle accessories)

Chassis / Suspension

Front:	Independent, coil-over-shock
Rear:	Two-stage leaf spring
Steering type:	42-volt electric power-assisted rack-and-pinion
Steering ratio:	17.75:1
Steering wheel turns, lock-to-lock:	3

Brakes

Type:	Power-assisted four-wheel discs with fully blended regenerative braking control, standard stability control, traction control and four-channel ABS; vented front discs, solid rear discs; twin-piston front calipers, single-piston rear calipers
Rotor diameter x thickness (mm / in.):	front: 330.2 x 30 / 13.0 x 1.18
	rear: 345.0 x 20 / 13.5 x 0.79

Wheels / Tires

Wheel size and type:	18 inch chrome-clad aluminum
Tires:	P265/65R18 AL2

Exterior Dimensions

Wheelbase (mm / in.):	3,645 / 143.5
Overall length (mm / in.):	5,839 / 229.9
Overall width (mm / in.):	2,031 / 80.0
Overall height (mm / in.)
2WD:	1,875 / 73.8
4x4:	1,872 / 73.7
Track (mm / in.)
Front:	1,732 / 68.1
Rear:	1,702 / 67.0
Min. running ground clearance (mm / in.):
2WD:	229 / 9.0
4x4:	231 / 9.1
Ground to top of load floor (mm / in.):
2WD:	836 / 32.9
4x4:	831 / 32.7
Step-in height
2WD:	561 / 22.0
4x4:	561 / 22.0
Approach angle (deg.)
2WD:	15.3
4x4:	15.5
Breakover angle (deg.)
2WD:	19.3
4x4:	19.6
Departure angle (deg.)
2WD:	22.8
4x4:	23.1

Interior	Crew Cab

Headroom (mm / in.):	front: 1,054 / 41.5
	rear: 1,031 / 40.6
Legroom (mm / in.):	front: 1,049 / 41.3
	rear: 983 / 38.7
Shoulder room (mm / in.):	front: 1,656 / 65.2
	rear: 1,656 / 65.2
Hip room (mm / in.):	front: 1,588 / 62.5
	rear: 1,664 / 65.5

Curb weight & payload	GVWR	Curb Weight	Max. Payload	Weight Distribution

	(kg / lb)	(kg / lb)	(kg / lb)	(% front / rear)
2WD:
Crew Cab Short Box	3,220 / 7,100	2,528 / 5,573	693 / 1,527	58 / 42
4x4:
Crew Cab Short Box	3,311 / 7,300	2,627 / 5,791	684 / 1,509	59 / 41

Cargo box

Cargo volume (L / cu. ft.):	1,507 / 53.2
Length at floor (mm / in.):	1,760 / 69.3
Width at floor (mm / in.):	1,588 / 62.5
Width between wheelhousings (mm / in.):	1,285 / 50.6
Tailgate width (mm / in.):	1,565 / 61.6
Inside height (mm / in.):	533 / 21.0

Capacities

Seating:	5 or 6
GCWR (kg / lb):	2WD: 5,443 / 12,000
	4x4: 5,443 / 12,000
Trailer towing maximum with ball hitch (kg / lb):	2WD: 2,767 / 6,100
	4x4: 2,676 / 5,900
Fuel tank (L / imp. gal):	98 / 21.6

1 - Regular cab 4x4 models.
2 - Included with available SLE Exterior Package.
3 - Standard on 4x4 models.
4 - Requires available SLE Exterior Package.
5 - Included with available SLE Interior Package. .
6 - Requires Bluetooth Convenience Package.
7 - Deletes electric rear-window defogger, when specified.
8 - Extended and Crew cab models.

‡ Available in 10 Canadian provinces and the 48 contiguous United States. Monthly subscription sold separately after trial period. Visit xmradio.ca for details.
* Visit onstar.ca for coverage map, details and systems limitations. Services vary by model and conditions.
** All-season tires may not satisfy winter tire requirements in all regions of the country. Tires specifi cally designed for severe winter conditions and marked with the “winter tire” symbol may be required during certain months or in certain regions. Contact your Provincial, Municipal or local road authority for information regarding which tires are required in your particular area.

2012 Sierra