Michelin Primacy 4 is a summer tyre made in total of 386 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/45 R18 is 80mm wider than the narrowest dimension (155) and 70mm narrower than the widest one (305). 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, Primacy 4 usually competes against
Primacy 5, which is a tyre from
Michelin with a rating of 84%, compared to 0% of the
Michelin in question. Latest test in
235/45 R18 was held by Autozeitung in 2019, where Primacy 4 received rating "Highly recommended" and finished on the 2. place. It was tested on a
Škoda Superb.