245/40R17 or 225/40R18 heavier?

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May 30, 2003 | 08:52 AM
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Assuming both tires are fitted with 8.5" width respective size wheels, which is heavier?

Thanks.
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May 30, 2003 | 11:24 AM
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225/40-18 is marginally heavier because of the sidewall reinforcement of the lower profile tire
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