Michelin Pilot Sport 4 SUV 275/45 R21

Michelin Pilot Sport 4 SUV is a summer tyre made in total of 142 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/45 R21 is 50mm wider than the narrowest dimension (225) and 60mm narrower than the widest one (335). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In 275/45 R21, Pilot Sport 4 SUV usually competes against Eagle F1 Asymmetric 6, which is a tyre from Goodyear with a rating of 94%, compared to 93% of the Michelin in question.