Michelin Primacy 4+ is a summer tyre made in total of 123 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 70mm wider than the narrowest dimension (185) and -10mm narrower than the widest one (245). 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 4+ usually competes against
Turanza T005, which is a tyre from
Bridgestone with a rating of 83%, compared to 71% of the
Michelin in question.
Summer
