Michelin PILOT ALPIN 5 255/40 R20

Michelin PILOT ALPIN 5 is a winter tyre made in total of 135 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/40 R20 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 R20, PILOT ALPIN 5 usually competes against UltraGrip Performance 3, which is a tyre from GoodYear with a rating of 95%, compared to 100% of the Michelin in question.