Originally Posted by Money2536
I'm not sure I see the point of racing a stock M3. I would think a catless M3 with a tune, drop-in filter, and lighter wheels would be a better comparison. I own both cars, the M3 shown below and Stage 1 B8 S4 with GIAC tune, AWE Exhaust, and AWE intake. The S4 is faster, but the M3 is a much, much better car in all other aspects.
Lightly tuned or stock is what I was hoping for. The point as I said is to see for myself is that really the case.
As far as which car is better ... to each their own. Love both cars ...