Quote:
Originally Posted by kyoo
Any specific reason why the flat 6 4.0L makes 500hp vs the M3's v8 4.0L?
I'm geniunely curious. Higher compression ratio, etc? Seems to run similarly spec'd otherwise, even down to the peak power, redline, etc. Just looking at the motor itself.
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The GT3 RS 4.0 is a more highly tuned engine with less compromises!
The S65 is a pretty amazing engine but their are other manufacturers who make more HP per litre NA than BMW M does with the S65. Ferrari and Porsche are the two manufacturers that come quickly to mind.
One thing to note is that BMW has engineered the S65 with a broad torque curve whereas Porsche and Ferrari Engines generally have less low end torque and are therefore not as relaxed to drive around on a day to day basis. The thing about Ferrari's and Porsche GT3's is that they are performance cars through and through and are engineered with ultimate performance in mind. The M3 was engineered to be a car that you can daily drive yet take to the track on the weekend!