The Audi A6 lineup consists of many different configurations and trim levels, with engine options that deliver anywhere between 261 horsepower and 591 horsepower. Traditional sedan customers can opt for the base A6 or the sportier S6. Weekend warriors and families with an active lifestyle will likely turn to the A6 Allroad wagon. And for parents who are always in a rush, the almighty RS 6 Avant wagon is sure to please.