Even though they are so similar to each other, they are not that the same because the M5 is well known for amazingly fast sedans and Audi on the other hand for the best station wagons in the market!
They are both tuned. The M5 is powered by the S63B44 4.4L V8 twin-turbo engine producing around 560 HP as stock and the RS6 is powered by the VW Group 4.0L V8 FSI biturbo engine producing 578 HP as stock. Will Audi’s Quattro win against BMW’s RWD?
Let’s find out!