Video: Motor Trend face-off between Mercedes SLS AMG, Audi R8 V10, Porsche 911 Turbo
Here is the ultimate German supercar face-off. The test by Motor Trend pits the 2011 Mercedes-Benz SLS AMG against the Audi R8 V10 and the Porsche 911 Turbo. Refresher: Audi R8 V10: Power for the Audi R8 5.2 V10 FSI comes from a 5.2L V10 producing a total of 528-hp. Mated to a R-tronic transmission [...]
