Originally Posted by SLV335I
I would say that the MB 6.3L motor should win the 4.0 and larger.
The fact that you think its a 6.3L engine shows that you don't know what you're talking about.
The AMGs have a 6.2L V8, its only referred to as the 63 to pay tribute to the classic Mercedes 6.3L.
The 6.2L AMG is garbage, its makes low tq for being such a large displacement engine (~450lbft) and makes the same hp as BMW achieves with only 5.0L
Not to mention that the ///M V10 revs to 8250 RPM and the 6.2 AMG only to 6800 RPM.
The AMG revs less than the 3 liter engines in the non-M 3er cars