Chevrolet’s small cars have a big presence at the 2011 SEMA Show, with tricked-out Sonics and Cruzes showing off the personalization possibilities for a new generation of performance enthusiasts. 2011 Chevrolet Sonic Z-Spec #1. Designers took a turbocharged Sonic five-door and added concept Z-Spec accessories including ground effects, spoiler, grille and graphics package. The Torch Red exterior is finished off with concept Z-Spec 18-inch wheels. Inside, the Cobalt Red cabin features custom trimming, including perforated black suede seat inserts, a concept Z-Spec sport pedal kit, sport shift knob and a racing-style flat-bottom steering wheel. Most of the show cars wear conceptual Z-Spec styling enhancements, which are being evaluated for production. Z-Spec is a line of performance, styling, and personalization accessories available at Chevy dealerships. The Sonic went on sale this fall and the Cruze, while being in the U.S. market for only about a year, has become Chevrolet’s b...