Powerful design, innovative technology and high-performance engines define Audi’s high standards in the luxury class. Topping the list: the 12-cylinder engine in the A8 6.0 quattro and the long-wheelbase version, the A8 L 6.0 quattro. (Fuel consumption, combined: 13.8-14.8 l/100 km; CO2 emissions, combined: 331-355 g/km)