The 2012 Chevrolet Corvette has a 2-door 2-passenger sports car, or convertible sports car.The Coupe 1LT is equipped with a standard 6.2-liter, V8, 430-horsepower engine that achieves 16-mpg in the city and 26-mpg on the highway. A 6-speed manual transmission with overdrive is standard, and a 6-speed automatic transmission with overdrive is optional. The ZR1 3ZR is equipped with a standard 6.2-liter, V8, 638-horsepower, supercharged engine that achieves 14-mpg in the city and 20-mpg on the highway. A 6-speed manual transmission with overdrive is standard.The 2012 Chevrolet Corvette cars is mechanical by a unique, supercharged LS9 6.2L engine, and is the fastest, most powerful car ever offered by Chevrolet. The Corvette Grand Sport was a knockout hit in its debut last year, accounting for approximately half of all coupe sales and 70 percent of convertibles. Customers were drawn to its blend of the Corvette’s capable chassis and powertrain, with enhanced handling attributes. It also featured wider fenders, specific front fenders, unique wheels and other exclusive cues.A standard six-speed manual transmission and an optional six-speed automatic paddle-shift automatic are offered.