Just finished a 5k run with it in the wife's Camry. Changing to M1 afe 0w20 today. I didn't notice much of a difference between the 2. (M1 was my last fill before the edge) The Camry is just so quiet and refined, it's hard to tell the difference. I've been more conservative in my driving lately, but sometimes I bring it up to 5 or 6 grand between shifts if i'm feeling playful. (it's a stick with the 2.5)
Anyway, i'll try to make an observation of the differences today, and report back later.