Michelin PILOT ALPIN 5 SUV is a winter tyre made in total of 118 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/50 R20 is 20mm wider than the narrowest dimension (225) and 70mm narrower than the widest one (315). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (245mm), which results in 122.5mm sidewall height. In
245/50 R20, PILOT ALPIN 5 SUV usually competes against
WinterContact TS 870 P, which is a tyre from
Continental with a rating of 93%, compared to 91% of the
Michelin in question.