Options & Specifications

GMC offers a full range of standard and available equipment for the Sierra HD family, so you can equip your new heavy-duty pickup truck just the way you like it.

S = Standard  O = Optional  — = Not Available

Safety & Security
Airbags – roof-rail mounted head curtain side-impact for all outboard seating positions with rollover sensor S
Airbags – seat-mounted side-impact, driver and right front-passenger for thorax and pelvic protection S
Airbags – single stage, driver and front-passenger, frontal 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. OnStar® System With 6 Months Directions and Connections Plan
  • Automatic Crash Response Automatic Crash Response
  • Emergency Services Emergency Services
  • Crisis Assist Crisis Assist
  • Stolen Vehicle Assistance Stolen Vehicle Assistance
  • Remote Door Unlock Remote Door Unlock
  • Roadside Assistance Roadside Assistance
  • Remote Horn and Lights Remote Horn and Lights
  • Turn-by-Turn Navigation Turn-by-Turn Navigation
  • Hands-Free Calling Hands-Free Calling
  • Vehicle Diagnostics Vehicle Diagnostics
Safety restraints – LATCH; Lower Anchors and top Tethers for Children (Crew Cab) ) S
Side Guard Door Beams S
StabiliTrak® – Electronic Stability Control System with Proactive Roll Avoidance, Electronic Trailer Sway Control, Hill Start Assist and traction control S
Theft-deterrent system – electronic immobilizer S
Air cleaner – high capacity S
Alternator – 125 amp S
Alternator – 160 amp, for Vortec™ 6.0L V8 O
Alternator – dual 125 amp, for Duramax® 6.6L V8 Turbo Diesel O
Battery – auxiliary, for Vortec™ 6.0L V8 O
Brakes – hydro-boost power, 4-wheel disc with anti-lock braking system (ABS) S
Differential – rear, automatic locking S
Engine – Vortec™ 6.0L V8 FlexFuel capable with Variable Valve Timing, Horsepower: 360 @ 5400 rpm with 2500HD models, 322 @ 4400 rpm with 3500HD models; Torque: 380 lb.-ft. @ 4200 rpm S
Engine – Duramax® 6.6L V8 Turbo Diesel; Horsepower: 397 @ 3000 rpm: Torque: 765 lb.-ft. @ 1600rpm. Includes dual 730 CCA batteries, block heater and cover for grille and front bumper opening for winter weather. Requires Allison® 6-speed automatic transmission. O
Engine – block heater (included with Duramax® 6.6L V8 Turbo Diesel) O
Fuel tank capacity – 136 litres (29.9 imp. gal.), all models S
Heavy-Duty Enhanced Cooling Package – includes external transmission and engine oil coolers, heavy-duty radiator and electric cooling fan S
Snow Plow Prep Provisions – includes 15 amp power for backup and roof emergency light, 160 amp alternator with Vortec™ 6.0L V8 engine; dual 125 amp alternators with Duramax® 6.6L V8 Turbo Diesel, forward light wiring harness, 85 mm (3.35") access hole with grommet in front of dash panel, roof beacon light provisions with switch in the overhead console, instrument panel jumper wiring harness for electric brake contoller, and skid plate package (4x4 models) O
Steering – power recirculating ball S
Suspension – Z71 Off-Road, includes off-road jounce bumpers, heavy duty monotube shock absorbers, skid plates and Z71 decals O1
Suspension – Z85, Handling/Trailering torsion bar front suspension with heavy-duty mono tube shock absorbers S
Trailer electric brake controller S
Trailer wiring provisions – for camper or fifth wheel hitch, includes additional 8-way wiring harness to front of pickup box O
Trailering Special Equipment Package – includes weight-distributing trailer hitch platform with a 2.5-inch receiver with a 2-inch adapter. 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 S
Transfer case 4x4 models – 2-speed with electronic rotary dial S
Transmission – 6-speed automatic (model 6L90) with 2 overdrives, tap up/tap down shift control and Tow/Haul mode used on models equipped with the Vortec™ 6.0L V8 engine – Allison® 1000 Series 6-speed automatic with tap-shift range selection, Tow/Haul mode and engine grade braking is required with the Duramax® 6.6L V8 Turbo Diesel engine S
Vehicle Starter System – remote, adaptive S
Bed liner – spray-on liner covers entire bed interior surface below side rails, including tailgate, front box top rail and lower tie down loops O
Bumper – front, colour-keyed fascia S
Bumper – rear, colour-keyed steel with step pad S
Door handles – chrome S
Front license plate provisions – (included with vehicles shipped to British Columbia, Manitoba, New Brunswick, Ontario and Newfoundland) O
Glass – deep-tinted, all windows behind front doors S
Glass – solar absorbing, tinted S
Grille – Denali specific, full chrome S
Lights – Fog lights S
Lights – daytime running lights with automatic light control S
Lights – dual cargo area, cab mounted S
Lights – dual composite halogen headlights S
Lights, roof markers – five S
Mirrors – deluxe wide-load with vertical glass, manual extending and folding, heated, integrated turn signals with lower convex spotter, black O
Mirrors – power folding, power remote control, heated, integral turn signal indicators, auto-dimming driver’s side, body-colour S
Mouldings – bodyside, body-colour with chrome insert S
Park assist – rear obstacle detection system with audible warning S
Rear Vision Camera – reverse assist for parking or trailer towing (includes interior rear-view mirror display) S
Recovery hooks – two, front S
Skid plates – off-road, includes shields for engine, transmission, transfer case and front differential, included with Z71 suspension (4x4) S
Spare tire – full-size, mounted on steel wheel S
Sunroof – power, with express-open and wind deflector, includes short overhead console O
Tailgate package – includes lockable EZ lift tailgate S
Tire – spare tire carrier – locking, rear underbody, winch-mounted S
Tires – LT265/70R18 all-season** S
Tires – LT265/70R18 all-terrain O
Tires – LT265/60R20 all-terrain O
Wheels – 18" polished aluminum S
Wheels – 20" aluminum O
Windshield wipers – variable delay (intermittent), flat-blade with wet arm washers S
Climate control – Automatic, dual-zone electronic climate control S
Console – overhead deluxe S
Cruise control – electronic, steering wheel-mounted controls S
Defogger – electric rear-window S
Floor covering – colour-keyed carpeting and removable vinyl floor mats (includes rear mats) S
Floor mats – front and rear, carpeted S
Instrument panel – premium with single glove compartment 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 and visual and audible reminders/warnings S
Instrumentation – analogue gauge cluster with speedometer, tachometer, engine temperature, fuel level, voltmeter and oil pressure S
Instrumentation – compass and exterior temperature display added to DIC S
Instrumentation – four DIC menu buttons located on the instrument panel provide additional vehicle information and permit customization features S
Locks – power, programmable with lock-out protection S
Locks – remote keyless entry system with panic button S
Mirror – rear-view, includes auto-dimming feature S
Pedals – power adjustable accelerator and brake S
Steering column – tilt adjustable S
Steering wheel – heated, leather-wrapped with woodgrain finish S
Steering wheel – Bluetooth®, cruise and audio system controls S
Sunshades – LH and RH, padded; colour-keyed cloth with illuminated visor mirrors S
Universal home remote – 3-channel transmitter S
Window – rear sliding, back-of-cab, power operated O2
Windows – front, includes driver and passenger express-down feature S
Windows – front, power with passenger lock-out feature S
Windows – rear, power drop glass 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
Heated and cooled driver and front passenger seats S
Rear stadium-style fold-up seat – 60/40 split-folding S
AM/FM stereo, 6-disc CD changer with iPod™/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 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. Requires available rear vision camera‡ O3
AM/FM stereo, CD/DVD/MP3 player upper slot and CD/MP3 player lower slot, both with iPod™/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 Seat Entertainment Package with DVD player, single overhead display, remote control, 2 sets of wireless headphones and auxiliary audio/video input jacks O3
Rear Seat Entertainment Package – includes DVD player, single overhead display, remote control, 2 sets of wireless headphones and auxiliary audio/video input jacks O3
Bluetooth® – hands-free phone connectivity S
SiriusXM Satellite Radio™‡‡ S
Bose® Premium sound system with subwoofer S
Engines Vortec 6.0L V8 (L96 / LC8) Duramax 6.6L V8 (LML)
Type: 6.0L V8 6.6L V8
Displacement (cc / cu in): 5,967 / 364 6,599 / 403
Bore & stroke (mm / in): 101.6 x 92 / 4.00 x 3.62 103 x 99 / 4.05 x 3.89
Block material: Cast iron Cast iron
Cylinder head material: Cast aluminum Cast aluminum
Valvetrain: Overhead valve, two valves per cylinder, variable valve timing Overhead valve, four valves per cylinder
Ignition system: Coil-near-plug, platinum-tipped spark plugs, low-resistance spark plug wires Compression, glow plug start aid
Fuel delivery: Sequential fuel injection Direct injection diesel with high pressure common rail
Compression ratio: 9.6:1 16.0:1
Horsepower (hp / kW @ rpm): 360 / 268 @ 5,400 (L96 / LC8 w/ gas) 301 / 225 @ 5,000 (LC8 w/CNG) 397 / 296 @ 3,000
Torque (lb-ft / Nm @ rpm): 380 / 515 @ 4,200 (L96 / LC8 w/ gas) 333 / 452 @ 4,200 (LC8 w/ CNG) 765 / 1037 @ 1600
Recommended fuel: Regular unleaded (L96) Regular unleaded or CNG (LC8) Diesel or B20
Maximum engine speed (rpm): 6000 3000
Emissions controls: Three-way catalytic converter, positive crankcase ventilation, evaporative collection system Cooled exhaust gas recirculation (EGR), EGR cooling-bypass system, diesel particulate filter system (DPF), selective catalyst reduction (SCR)
Transmissions Hydra-Matic 6L90 Allison 1000
Type: Six-speed automatic (w/ Vortec 6.0L) Six-speed automatic (w/ Duramax 6.6L)
Gear ratios (:1):
First: 4.03 3.10
Second: 2.36 1.81
Third: 1.53 1.41
Fourth: 1.15 1.00
Fifth: 0.85 0.71
Sixth: 0.67 0.61
Reverse: 3.06 4.49
Rear axle ratio: 3.73 or 4.10 3.73
Chassis / Suspension
Front: Std. long- and short-arm independent front torsion bar suspension
Rear: Semi-elliptic two-stage multi-leaf spring
Steering type: Integral power-assisted recirculating ball
Steering ratio: 16:1
Steering wheel turns, lock-to-lock: 3.57
Turning Circle
Turning circle, curb-to-curb (m / ft)
Standard box: 15.4 / 50.5
Type: Power-assisted, Hydroboost brake-apply system, four-wheel disc, four-wheel ABS
Rotor diameter x thickness (mm / in): front: 350 x 40 / 13.80 x 1.57
rear: 360 x 34 / 14.17 x 1.34
Total swept area (sq cm / sq in): front: 1,791 / 277.6
rear: 1,819 / 282.0
Wheels / Tires
Wheel size and type: 18-inch forged polished aluminum
20-inch forged polished aluminum
Tire size: LT265/70R18 all-season**
Exterior Dimensions Crew Cab
Standard Box
Wheelbase (mm / in): 3904 / 153.7
Overall length (mm / in): 6,101 / 240.2
Overall width (mm / in): 2,032 / 80.0
Overall height: (mm / in): 1,989 / 78.3
Track (mm / in): front: 1,748 / 68.8
rear: 1,709 / 67.3
Minimum ground clearance (mm / in): 4x4 front: 248 / 9.8
4x4 rear: 208 / 8.2
Step-in height (mm / in): 661 / 26.0
Weight ratings MAX GVWR (kg / lb) MAX Payload (kg / lb)
Crew cab, std. box (4x4): 6.0L: 4,309 / 9,500
6.6L: 4,536 / 10,000
6.0L: 1,315 / 2,899
6.6L: 1,154 / 2,545
Cargo box Standard Box
Cargo volume (L / cu ft): 1,719 / 60.7
Length at floor (mm / in): 2,002 / 78.8
Width at floor (mm / in): 1,588 / 62.5
Tailgate width (mm / in): 1,565 / 61.6
Width between wheel housings (mm / in): 1,285 / 50.6
Inside height (mm / in): 533 / 21.0
Interior Crew Cab
Headroom (mm / in): front: 1,049 / 41.3
rear: 1,031 / 40.6
Legroom (mm / in): front: 1,049 / 41.3
rear: 991 / 39.0
Shoulder room (mm / in): front: 1,656 / 65.2
rear: 1,656 / 65.2
Hip room (mm / in): front: 1,532 / 60.3
rear: 1,664 / 65.5
Capacities Crew Cab
Seating: 5
Fuel tank (L / imp.gal): 136 / 30
Trailer towing maximum with ball hitch (kg / lb) Trailer towing maximum with fifth wheel hitch (kg / lb)
Denali Crew cab, std. box: 4x4 w/ 6.0L (3.73 axle): 4,218 / 9,300
4x4 w/ 6.0L (4.10 axle): 5,897 / 13,000
4x4 w/ 6.6L (3.73 axle): 5,897 / 13,000
Denali Crew cab, std. box: 4x4 w/ 6.0L (3.73 axle): 4,218 / 9,300
4x4 w/ 6.0L (4.10 axle): 6,214 / 13,700
4x4 w/ 6.6L (3.73 axle): 6,668 / 14,700
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