Lets just look at the M3s progression
E30-I-4
E36-I-6
E46-I-5
E90/92-V-8
However, Audi will ditch the V-8 in the S4 and go back to a TT V-6 ala B5 the new generation.
And we have seen chipped TT 335s run with M5s and M3s..
Different strokes for different folks. My fav is a nice torquey V-8. Check the sig
