Nokian Powerproof 2 225/40 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. 225/40 R18 is 20mm wider than the narrowest dimension (205) and 90mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. Latest test in 225/40 R18 was held by ACE in 2026, where Powerproof 2 received rating "Recommended" and finished on the 6. place. It was tested on a VW Golf.