The all-new 2010 Chevrolet Camaro marks the return of the storied sport coupe offered in LS, LT and SS versions. The LS and LT are powered by a 3.6-liter V6 rated at 298 horsepower while the SS is powered by a 6.2-liter LS3 V8 rated at 430 horsepower when equipped with a 6-speed manual transmission. When the 6-speed automatic transmission is chosen, the SS is powered by 6.2-liter L99 V8, based on the LS3 but adding Active Fuel Management and producing 400 horsepower while delivering an estimated 23 mpg on the highway.