Michelin Pilot Sport 4 S is a summer tyre made in total of 195 sizes, ranging from R18 to R18 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/40 R18 is 50mm wider than the narrowest dimension (205) and 60mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In
255/40 R18, 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.
Summer
