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The ability of any motor to accelerate a car is affected by wheel size and weight. A larger diameter wheel has a larger moment of inertia that must be overcome to accelerate. A heavy (presumably wider) rim-tire-combo will result in more sluggish acceleration, albeit with more grip. SO it is desirable if fitting wider wheels to try and find relatively lightweight rims and tires.
Caymans come with lightweight forged rims among other stock features that enhance performance.
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