The 2012 Ford Shelby GT500 is a four-seat high-performance coupe or convertible based on the Mustang. Standard features include 19-inch premium wheels, high-performance tires, Brembo brakes, a rear spoiler, automatic xenon headlights, foglights, keyless entry, air-conditioning, cruise control, a leather/Alcantara-wrapped steering wheel, leather/Alcantara-upholstered sport bucket seats with racing stripes and Cobra logos, a power driver seat, a Sync multimedia voice control system and an eight-speaker audio system with a CD player, auxiliary/USB audio jacks and satellite radio.|||The rear-wheel-drive 2012 Ford Shelby GT500 is powered by a 5.4-liter supercharged V8 that produces 550 hp and 510 pound-feet of torque. A six-speed manual is the only transmission available. Acceleration from zero to 60 mph requires only 4.4 seconds on its way to a quarter-mile time of 12.4 seconds at 116 mph. The EPA estimates fuel econ