The Audi A7 Sportback is a four-door coupe that was introduced in 2007. It shares its base with the Audi A6, as well as a lot of the engines. To be able to compete with other upper-class cars, the A7 got equipped with luxurious interior options and it is the first ever Audi to offer a Head-Up-Display. The A7 is available with diesel and gas engines and for the more speed focused customer, Audi also offers twin turbo gas V8 models. The S7 with 450 PS and the RS7 that can optionally have more than 600 PS from the factory. The A7’s competitors are the BMW 6-Series Gran Coupe and Mercedes-Benz CLS-Class and therefore the RS7’s competitors are the BMW M6 Gran Coupe and Mercedes-Benz CLS 63 AMG.