The 2015 Audi A6 belongs to the fourth generation of this luxurious midsize sedan, renowned for its exquisite German engineering. Available in 4 trims - Premium, Premium Plus, Prestige and TDI, it offers engine options ranging from a 2.0 Liter turbo-four delivering 220 horsepower to a potent 3.0 Liter supercharged V6 that puts out 310 horsepower. An efficient turbodiesel with 240 horsepower is also available. All engines pair with an 8-speed automatic transmission and offer Audi's legendary Quattro all-wheel-drive system. The A6 infuses technology with an intuitive MMI infotainment system, a standard 6.5-inch display, and available features like Google Earth navigation and Wi-Fi hotspot. Audis are well-established for their safety, and the 2015 A6 is no exception with front and rear parking sensors, blind-spot monitoring, lane-keeping assist and a night-vision assistant for pedestrian detection.