Nokian Seasonproof is a allround tyre made in total of 57 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 60mm wider than the narrowest dimension (165) and 30mm narrower than the widest one (255). 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. In
225/40 R18, Seasonproof usually competes against
Multiseason 2, which is a tyre from
Firestone with a rating of 60%, compared to 0% of the
Nokian in question.
All Season
