Audi RS7 review: http://bit.ly/audi-rs7<br />Mike Duff tests the new 552 bhp Audi RS7, to find out whether it is worth the extra premium over the RS6 Avant...<br /><br />Subscribe to evo TV for more videos: http://bit.ly/WpFurP<br />Register for evo's weekly newsletter: http://bit.ly/YwSED0
