October 6, 2008 4:26 PM PDT
Video: Audi RS6
Audi's monster RS6 sedan combines two turbos, 10 cylinders, and all-wheel drive to put the better part of 580 horsepower to the road.
Audi's monster RS6 sedan combines two turbos, 10 cylinders, and all-wheel drive to put the better part of 580 horsepower to the road.
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