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      04-14-2024, 02:59 PM   #6
irablumberg
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Drives: 2021 M5 Competition
Join Date: Jul 2014
Location: Portland, OR

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I'm a bit confused by this 'ring result for the CS. Specifically, with the same driver, the M3 CS (with Cup 2 tires) was only 2 seconds faster than a regular M4 Comp xDrive with street tires (PS4S presumably). Assuming the Cup 2 tires are good for at least a second or 2 on the 'ring, why would a regular M4 xDrive have the same performance as the M3 CS which is both lighter and has at least 20 more HP?

This is in rather stark contrast to the performance of the M4 CSL which is a full 10 seconds fast than the M3 CS (and in this case, both cars were using Cup 2 tires). Of course, the M4 CSL is a few hundred pounds lighter, but has the same HP.

Any thoughts?
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