The C6 came at a time when Audi RS products didn’t shout ... with a solid maintenance history, because the RS6 can throw up some big bills. Oil pump seals have been known to fail with age ...

For the new Audi RS6 Avant wagon, the lineup has been trimmed down to the Performance model. The V8 powering this trim has also been boosted to develop 621 horsepower and 627 lb-ft of torque ...