Michelin Pilot Sport 4 SUV is a summer tyre made in total of 142 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 285/45 R20 is 60mm wider than the narrowest dimension (225) and 50mm narrower than the widest one (335). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (285mm), which results in 128.25mm sidewall height. In
285/45 R20, Pilot Sport 4 SUV usually competes against
Eagle F1 Asymmetric 6, which is a tyre from
Goodyear with a rating of 94%, compared to 93% of the
Michelin in question.