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torque!
What is interesting is that despite all that torque and big displacement of AMG engines like C63,their torque curves(which is never as flat as M3) and tall gearing results in Flexibility times which are not quite impressive considering their big engines.
A good example of this is SPORT AUTO: M3 sedan 6-speed vs C63 AMG 7-speed
M3 :80-120km/h in 6th gear (which is its TOP GEAR) 7.4 s
C63 :80-120km/h in 6th gear 8.3 s
Another one SPORT AUTO CLS63 vs M5
M5:80-120km/h in 7th(top gear) 9.3 s
CLS63:80-120km/h in 6th(not top gear) 9.9 s
So despite all those differences in torque and engine size,the M5 is more flexible than CLS63 even in a gear higher!! The fair comparison is M5 in 6th gear vs CLS63 in 6th gear which is:
M5:80-120km/h in 6th 6.9s and CLS63:80-120km/h in 6th 9.9s
Therefore, it is better to consider the torque at wheel and not only compare cars on the basis of their flywheel torque because in that case we are neglecting the huge effect of GEARING in performance of a car.
If only engine size and flywheel torque was important,then the FERRARI F430 could never be faster than a CORVETTE C6(404hp).
So M cars are excellent combinations of low-end grunt and high-rpm power.
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