The 2015 Audi S7 is part of the first generation of the model, known for blending luxury with performance. It comes with a 420-horsepower 4.0-liter twin-turbo V8 engine, mated to a quick-shifting 7-speed S Tronic dual-clutch transmission and the brand's signature Quattro all-wheel drive system. The S7 offers an outstanding balance of comfort and sportiness with its adjustable air suspension. An MMI infotainment system teams up with a Bose audio system, Bluetooth, and navigation on the technology front. The options list includes features like a head-up display, night vision, and an upgrade to a Bang & Olufsen sound system. Standard safety features include ABS, stability control, multiple airbags, and a rearview camera.