By Patrick Rall Oct 19 2012 - 5:49pm A first look at the Chevrolet Performance Sonics coming to SEMA 2012 The Chevrolet Sonic Z-Spec 1 Concept from the back The back end of the Chevrolet Sonic Z-Spec 2.5 Concept The front end of the Chevrolet Sonic Z-Spec 2.5 Concept
