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. 235/45 R18 is 70mm wider than the narrowest dimension (165) and -10mm narrower than the widest one (225). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In
235/45 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
