Reifen Koch Audi RS6
Reifen Koch is another German tuning company that has set out to update the already very powerful and slightly insane Audi RS6. Difference between the madness here and the madness of the MTM Audi RS6 Clubsport is that this car seems to have a better way of hiding its power. The Reifen Koch version of the RS6 doesn't come with...