2013 SEMA Show: General Motors Collection

General Motors unveils this week at the annual Specialty Equipment Market Assn. show in Las Vegas a total of 39 vehicles from Chevrolet. The all-new Silverado pickup and Tahoe SUV are the focus, but a number of performance-oriented cars carrying the Camaro, Corvette, Sonic, Cruze, SS, Spark and Impala nameplates also make the trip to Sin City.