Michelin Primacy 3 255/45 R18

Michelin Primacy 3 is a summer tyre made in total of 189 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/45 R18 is 60mm wider than the narrowest dimension (195) and -60mm narrower than the widest one (195). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In 255/45 R18, Primacy 3 usually competes against Primacy 5, which is a tyre from Michelin with a rating of 86%, compared to 0% of the Michelin in question.