17inch wheels without losing mpg? - Toyota Yaris Forums

02-05-2014, 12:21 PM

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Drives: 07 Yaris Turbo

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Quote:

With a 17" rim, you'll be increasing the contact patch between the tire and the pavement significantly.

How does the diameter of the rim determine contact patch? I thought the width of the tire (and related, the width of the rim) determined that.

I run 17's on my Prius C with no loss in mpg. So does our customer Mike on his.

Quote:

Not to mention the weight and subsequently rotational mass

There are 15's that are way heavier than some 17's. A blanket statement like this is completely misleading.

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