The 2015 Audi S8 is part of the vehicle's third generation and is a high-performance variant of Audi's A8 series. Powered by a 4.0-liter V8 engine, the S8 generates a remarkable 520 horsepower, mated to an 8-speed automatic transmission, and an all-wheel-drive system that's standard across the board. The car boasts splendid execution of luxury and technology, with 22-way power-adjustable front seats, full leather upholstery, four-zone automatic climate control, a sunroof, power rear side and rear window sunshades, a 360-degree parking camera, a head-up display, and a lane departure warning system. Infotainment features include a 14-speaker Bose sound system, a 7-inch display, MMI infotainment interface and navigation system, HD and satellite radio, a DVD player and, of course, Audi Connect and Bluetooth phone and audio connectivity.