Michelin e.Primacy is a summer tyre made in total of 111 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/55 R18 is 60mm wider than the narrowest dimension (165) and 0mm narrower than the widest one (225). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In
225/55 R18, e.Primacy usually competes against
Ecocontact 6, which is a tyre from
Continental with a rating of 56%, compared to 66% of the
Michelin in question.
Summer
