Increased drag with wider tires

Mitco39

I was being sarastic as more of a haha sort of thing. Guess I should have added another smiley face. but No sir you were not. You were worried about wider tires hurting your mpg.

However I think going from say a 285 to a 305 in terms of rolling resistance probably works out to about the same drag as adding an aftermarket spointer or spats to the car.

I doubt you would be able to take before and after mpg readings with any sort of reliability.


As far as the power steering, you might notice a bit more resistance, however with my setup I didnt notice much at all personally. If one was worried about it they could add another PS cooler.

I bet if you ran the max values on the tires you would actually increase the economy of the car. Good for mpg, bad for safety and tire wear.

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