Michelin Pilot Sport 4 S is a summer tyre made in total of 250 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/35 R18 is 30mm wider than the narrowest dimension (225) and 70mm narrower than the widest one (325). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In
255/35 R18, Pilot Sport 4 S usually competes against
Ventus Evo, which is a tyre from
Hankook with a rating of 99%, compared to 96% of the
Michelin in question.