![]() ![]() ![]() If we are talking about tires and handling, the order of importance is generally as follows: Volvo thought it was ok, as do plenty of other reputable manufacturers.Īre you planning on taking your car to a race track? If all you're worried about is safety, stick with what your car came with. It may have to do with "looks," as a tire on the wide-end of the range will be pinched more and the sidewall will be seen to "bulge out" of the wheel, whereas a tire on the narrow-end of the range will be pinched less, so it's sidewall will be seen to be more straight. You'll notice that Toyota (through their Lexus brand), Subaru and Volvo are in both lists, so it isn't a hard and fast rule. On the other hand, all the following vehicles have 225 mm tires on a 7.5 inch wheel, and their 7 inch wheels only have 215 mm tires on them: On the one hand, these vehicles all have your 225 mm wide tire on a 17x7 wheel: When that doesn't provide a satisfactory answer, we need to look for an "empirical answer", based at what cars roll out of the factory with. My other answer was the "theorical answer", based on charts. Isn't there some sort of standard for this? I wonder where all this information is coming from, why a mismatch, and where I can find the "holly truth". So that Russian table (from an online tyre shop) seems to agree with the dealer and Volvo, but doesn't match TyreSizeCalculator. On the other hand, another table I've found (in Russian) lists 7 inch as the optimal rim width for my tyres. Would Volvo build a poor combination wheel? A Volvo dealer, to whom I showed the linked table and whose competence I really doubt, said that 205 mm would be too narrow for these rims, not to mention 195 mm. It gives 195 mm as minimum, 205/215 as ideal and 225 as max allowed. Looking at this is not an optimal combination, rather on the edge. My Volvo V70 came with 225/50-R17 tyres on 7Jx17-ET50 rims. The question is triggered by the situation I found myself in now. More generally speaking, I'd like to be able to find an optimal match between a tyre and rim width. I am looking for some "formal" information about which tyres I can put on my car rims. ![]()
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