Michelin Primacy HP is a summer tyre made in total of 38 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/45 R18 is 50mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (275). 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 HP usually competes against
Turanza T005, which is a tyre from
Bridgestone with a rating of 88%, compared to 0% of the
Michelin in question.
