The Audi A8 is a four-door notchback sedan from the upper class of Audi AG. The Ingolstadt-based car manufacturer produced since 1994, the successor of the Audi V8 in order to prevail in the market against the BMW 7 Series and the Mercedes-Benz S-Class. Since the spring of 2010, the luxury sedan is produced in the third generation, since October 2010, as Audi A8 L, which is a nature about 13 cm longer. This vehicle is offered as a sedan with front-wheel drive or Audi A8 quattro all-wheel drive and Tiptronic. The most popular engine variant of the old series were the customers of the Audi A8 4.2 with eight cylinders, which is also available in the version of the Audi A8 4.2 FSI with 350 hp in 2006. A total of four petrol and three diesel and since April 2012, a hybrid version of the Audi A8 new or used available. This Audi A8 is powered by a 2.0 - liter four-cylinder that produces with the help of a flange-mounted on the automatic transmission electric motor, a system output of 245 hp. In addition to a 3.0-liter gasoline engine with 290 hp, the 40 TFSI used in the Audi A8 with 420 hp, which is only topped by the 6.3 FSI with 500 hp and the Audi S8 520 hp. The diesel will be powered by a 3.0 TDI which makes 204 or 250 horsepower and the Topdiesel, a 4.2 - liter eight-cylinder with 350 hp.