The Audi A6 is the successor to the Audi 100 and is on its fifth generation. It is an executive car class and is available in both the 4-door Sedan body style and the 5-door Avant body style. All Audi A6 models are offered with either front-wheel drive or four-wheel drive capabilities. The Audi A6 model has been in production since 1994 and has seen multiple adjustments, body to the style and technology, in the automobile.