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[ljnaum26]

I just picked up a set of winter tires for cheap, but they are 225/45/17 instead of the 225/50/17. i did the diameter calculator and it says difference is 3.4%, is that too much? Or is it no big deal and it will just throw my speedometer off a couple mph?

[Blake P]

I just picked up a set of winter tires for cheap, but they are 225/45/17 instead of the 225/50/17. i did the diameter calculator and it says difference is 3.4%, is that too much? Or is it no big deal and it will just throw my speedometer off a couple mph?

General rule of thumb is to stay within 3%, so I'd say it's too much. It will throw both your speedometer and odometer off.