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Plus one tire sizing effect on mpg?
Looking at upgrading from my 175/65/14 tires on 14x5.5 steel wheels to 185/55/15 on 15x5.5 aluminum rims with the same offset.
Overall tire diameter is very close and should make no difference.
I have not been able to compare wheel weights, but I'm hoping they will be the same or slightly lighter for the aluminum wheel.
How will the slightly wider tire affect me? I'd like to hear first person testimony from those who have done such an upgrade.
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