The Audi A6 is a full-size executive car produced by the German automaker Audi. It has been in production since 1994 and is currently in its fifth generation. The A6 is available as a four-door saloon, a five-door Avant estate, or a two-door cabriolet convertible. It is powered by a range of gasoline and diesel engines, and features a range of luxury features and technology.