Nokian Powerproof 2 235/55 R18

Nokian Powerproof 2 is a summer tyre made in total of 91 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/55 R18 is 30mm wider than the narrowest dimension (205) and 80mm narrower than the widest one (315). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. Latest test in 235/55 R18 was held by Motor in 2026, where Powerproof 2 received rating "Test winner" and finished on the 1. place. It was tested on a Skoda Kodiaq.