The ABT RS6-R Is A Ridiculous 720 Horse Teutonic Rocketwagon

If there ever was one problem with the original Audi RS6 Avant, it was clearly the engine. The twin-turbo V8 only put out a middling 553 horses. That's it. Barely enough to crack 200 MPH. Just awful, really, for a station wagon. That's why the crazed tuners at ABT sought fit to give it an additional 177, for an even… » 2/27/14 11:20am 2/27/14 11:20am