Available as a coupe or a convertible, the Shelby GT500 possesses an intimidating 550-hp, 5.4-liter, V8 engine and six-speed manual transmission. With only one powertrain combination available, this cars reason for being quickly becomes clear. Modern amenities such as air-conditioning and leather seats for four leave passengers wanting for nothing. Safety is addressed with technical features such as four-wheel Brembo disc brakes, traction control and an assortment of protective airbags. The Shelby GT500 gains standard 19" forged alloy wheels, MyKey, HID headlights and an all-aluminum engine for 2011.