Automobile Magazine (blog) Chevrolet introduces SS as NASCAR Sprint Cup car for 2013 Detroit Free Press By Mike Brudenell The five-time NASCAR champ, along with the rest of the Chevy drivers, will pilot the Chevrolet SS, which replaces the Impala as Chevy's entry in the 2013 NASCAR Sprint Cup Series. Speculation about the car GM would run next season … Chevrolet SS to be the name of brand's performance sedan, NASCAR entry AutoWeek Chevrolet Confirms Upcoming V8-Powered, Rear-Drive SS Sedan, Releases Camo'd ..