Chevrolet Unveils Nine High-Powered Concepts At SEMA

The All-Activity Sonic concept with a 1.4L turbo engine is introduced Monday, November 4, 2013 at the SEMA Show in Las Vegas, Nevada. The Sonic features an all-new performance package with parts from Chevrolet Performance including engine performance, suspension/brakes and appearance upgrades. (Photo by Isaac Brekken for Chevrolet)