The Audi RS6 takes on the Mercedes C63 AMG Black Series in this drag race! Which comes out on top? <br /><br />See the next episode (McLaren 650S vs Lamborghini Aventador): http://bit.ly/1rGGjYr<br /><br />See the previous episode (Porsche 996 vs Ferrari 328): http://bit.ly/1wO8H0e<br /><br />See all of the episodes in this series: http://bit.ly/1wO4Tgn<br /><br />Tune in on Mondays and Fridays for more drag race shoot-outs!<br /><br />Subscribe to our YouTube channel http://bit.ly/11Ad1j1<br />Subscribe to the mag http://subscribe.autoexpress.co.uk/yt
