Originally Posted by tturedraider

the first word that comes to my mind about the 3.6 v6 in the ats is "weak". The next word that comes to mind is "unrefined". On hard acceleration from a standstill low end torque is seriously lacking. I'd rather have the naturally aspirated i6 in my 330i any day and the n55 absolutely spanks the caddy's 3.6 v6. Not surprisingly the v6 doesn't come close to the wonderfully linear pull of the i6.