Newtire size / R Calculate 225/40 R18 vs 225/45 R18 comparison results: Speedometer difference Welcome to our handy wheel and tire size calculator! Put your current tireInthe tire comparison table above, you can see a detailed calculation of the size difference between 235/55 R18 and 225/60 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 235/55 R18 is on top, and tire with size 225/60 R18 below. Both in the table and in the graph, the tires are
22540 R18 doesn't belong to the most popular dimensions for summer tyres - there are 108 tyre models available, which can be compared to 215/65 R16, 225/45 R17, 195/55 R16.
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