Detailed item info Model OverviewFor 2012. the Audi TT is offered in both a coupe and roadster body style. both of which are built on Audi's improved aluminum space frame chassis. consists of 69% aluminum and 31% steel construction. making it both lightweight and incredibly stiff. Audi's signature quattro all-wheel-drive system is the only drivetrain available across the lineup. In addition. Audi's S-Tronic 6-speed dual-clutch automatic transmission is now the only available gearbox on the TT and the TTS. Both the TT and upscale TTS feature a healthy array of standard equipment. including a "Audi Concert" audio system. a driver information system and an automatic climate control system in the coupe. Optional xenon plus headlamps are available with a cornering and both the TT and TTS are again available with Audi's S-line sport package. consisting of special design touches to the bumpers. air inlets and rear diffuser. special interior detailing. unique 18-inch wheels and a 10-mm lower ride height. Optional magnetic ride shocks can be switched between "normal" and "sport" modes and a sport button modifies steering boost and exhaust sound. Optional napa leather gains a new thermal resistance treatment that cuts down on seat temperature significantly when left in the sun. A high-performance model was introduced for 2012. called the RS. It features a 360-horsepower 5-cylinder engine mated to a 6-speed manual. the only transmission option. Audi's magnetic ride suspension. 19-inch alloy wheels. xenon HID headlamps and silk napa leather upholstery are all standard.