Michelin Primacy 5 235/45 R18

Michelin Primacy 5 is a summer tyre made in total of 170 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/45 R18 is 40mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (275). 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 5 usually competes against Turanza T005, which is a tyre from Bridgestone with a rating of 88%, compared to 86% of the Michelin in question. Latest test in 235/45 R18 was held by Autozeitung in 2026, where Primacy 5 received rating "Recommended" and finished on the 6. place. It was tested on a Audi A5.