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Changing wheel and tire size

4845 Views 11 Replies 8 Participants Last post by  DriveInHouston
I am thinking about changing from the 20" wheels to a 19" wheel set (OEM) and then going with an all-season tire. I have found that I would have to go up one size , from 235/40 to 245/40 front, and 265/40 to 275/40 rear. Would I have any fit or clearance problems?
Thanks in advance.
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You didn't include the wheel width and offset in your question. If you're contemplating one of the 19" wheels Porsche offers as an option on 718s, I'm sure there's no issue with regard to the wheel fitting. Otherwise the wheel width and offset specs become important.

For completeness, your speedometer will be off if the circumference of the new tire is different than the old, though it may not be a material amount.
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