Polar Blue Metallic RS6 Avant by Audi Exclusive Looks Cool

Audi’s current generation A6 isn’t going to last much longer, which means the RS6 Avant could be out the door in less than two years. And as every quattro fan knows, replacements are always slow to arrive. But the super-wagon has had a fantastic run and could easily be considered the real flagship of the Audi family until the R8 came with its Lambo V10. You just wouldn’t expect this kind of performance from a vehicle with …