mrmikesdeuce Posted December 3, 2020 Report Share Posted December 3, 2020 When I bought my '19 Edge Titanium, I specifically ordered the 18" wheels and tires on it. I did this because I already had 18' Mag wheels, and 4 18" snow tires from my previous vehicle ('17 MKC). I installed the factory tires on the mag wheels for summer use, and the snows on the factory rims for winter. I just mounted the snows for this year, and realized I had different sized tires. My factory summer tires are 235/60R18, while my snow tires are 235/50R18. The snows are several inches lower than the factory tires. I already ran these tires last year with no problems, but now I'm wondering if my speedometer reading is off, and if so by how much. Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted December 3, 2020 Report Share Posted December 3, 2020 see the results of the change for yourself here https://www.tacomaworld.com/tirecalc?tires=235-50r18-235-60r18 with snows you want MORE sidewall, not less. a 65 or even 70 would be better suited. Quote Link to comment Share on other sites More sharing options...
mrmikesdeuce Posted December 3, 2020 Author Report Share Posted December 3, 2020 Thank you for the reply and the table. I agree that a taller tire is better in snow. I bought these tires in 2014, and my Edge is the third vehicle I have used them on so far. I'm retired so if there is too much snow, I just stay home! 1 Quote Link to comment Share on other sites More sharing options...
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