Nokian Powerproof is a summer tyre made in total of 53 sizes, ranging from R17 to R17 - 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 50mm narrower than the widest one (275). 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, Powerproof usually competes against
Goodrich Advantage 2, which is a tyre from
BF with a rating of 61%, compared to 0% of the
Nokian in question. Latest test in
225/40 R18 was held by Gute-Fahrt in 2019, where Powerproof received rating "Very good -" and finished on the 4. place. It was tested on a
.
Summer
