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255/35 R20 Nokian Powerproof variants
Nokian Powerproof is a summer tyre made in total of 53 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/35 R20 is 50mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (275). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R20, there is only one possible speed index for Nokian Powerproof - "Y", which is good for speeds up to 300 km/h. In 255/35 R20, Powerproof usually competes against Ventus S1 evo3 K127, which is a tyre from Hankook with a rating of 81%, compared to 71% of the Nokian in question.
Nokian Powerproof is made in 53 sizes, starting from 205/50 R17 up to 275/45 R20.
