Originally Posted by klammer
6 seconds on the ring is like a second or less on a normal North American road course (think 2-3 miles long) and think we see that with the same Hockenheim time. Almost all these cars are driver dependent as they're all quite capable, the choice is yours
The M3 is the more capable track car in the hands of a really skilled driver who knows the car. However, if you are an average to above average enthusiast (which is already more skilled than most), I am willing to bet that you will turn a far better track time in the RS5, simply due to its AWD traction and the confidence that grip gives you.
Where the M3 excels IMO, is the subjective, precision instrument feel to how the car drives overall. If I cared about track times and numbers, I would have bought a GTR.