The GranTurismo S Automatic coupe and base convertible are powered by a 433 horsepower 4.7-liter V8 engine with a 6-speed ZF automatic transmission, while the MC coupe's and Sport convertible's 4.7-liter V8 puts out 444 horsepower. An electronically-controlled Skyhook suspension automatically adjusts to the conditions of the road. Standard features include Brembo brakes, directionally-adaptive bi-xenon headlights, heated power sport seats, automatic dual-zone climate control, rear parking sensors and a Bose sound system with hard drive and navigation system. The new MC includes revised transmission shifting, a tuned exhaust system, sport suspension combined with a special stability program, and unique front and rear fascia and side skirts. The new Sport features a modified Skyhook sport suspension, unique 20-inch alloy wheels, slotted brake discs, a revised exhaust system, black headlight assembly, front corner splitters and the redesigned side skirts. A wide variety of alloy wheels, brake caliper colors, and leather and wood trims are available on all trims. The GranTurismo coupe loses its base trim for 2012, but gains an MC trim. The GranTurismo convertible adds the Sport trim.