Michelin Primacy 4 175/65 R15

Michelin Primacy 4 is a summer tyre made in total of 368 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 175/65 R15 is 20mm wider than the narrowest dimension (155) and 130mm narrower than the widest one (305). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (175mm), which results in 113.75mm sidewall height.