has anyone tried 245/40/17 on stock wheels?
#4
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245/40-17 tires' measured rim width is 8-9.5". stock wheel width is 7.5. 235/40-17 tires' measured rim width is 8-9.5" too, but you can get away with it. re: 245, you can cram them on there, but it's not ideal and you're going to see diminishing returns in grip as the sidewall cups out over the wheel.