Chevrolet Unveils Nine High-Powered Concepts At SEMA

American Motorcycle Association champion, X-Games gold medalist and NASCAR driver Ricky Carmichael (left) is greeted by Chevrolet Marketing Vice President Chris Perry after driving out in the All-Activity Chevrolet Sonic concept with a 1.4L turbo engine Monday, November 4, 2013 at the SEMA Show in Las Vegas, Nevada. Carmichael's Sonic features an all-new performance package with parts from Chevrolet Performance includes engine performance, suspension/brakes and appearance upgrades. (Photo by Isaac Brekken for Chevrolet)