Michelin Pilot Sport 4 S is a summer tyre made in total of 195 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 235/45 R20 is 30mm wider than the narrowest dimension (205) and 80mm narrower than the widest one (315). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In
235/45 R20, Pilot Sport 4 S usually competes against
Ventus Evo, which is a tyre from
Hankook with a rating of 100%, compared to 97% of the
Michelin in question.