Quote:
Originally Posted by southlight
That's right, but since the the M3 torque loss is about the same like on the M5 I would guess that the wheel HP loss is also similar. M5 had peak wheel power of 472 PS at ~7700rpm. That makes 7% of drivetrain loss. M3 has ~407PS at 7700 according to the official graph. This would result in ~378PS at the wheels which is already higher then the RS4's peak power at the wheels (349PS at 7546rpm).
If that turns out to be true were talking about a (wheel)power-to-weight ratio which is at least 12% better then on RS4...
Best regards, south
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Yeah, I saw that with the M5, and was surprised actually. Look at the E46 M3, and you'll see a different story that makes more sense: higher losses at higher rpms. I don't know how to explain the M5 hp numbers. Either way, the losses are much less than I would have thought, and that's a good thing.
