Nokian Powerproof 255/40 R19

Nokian Powerproof is a summer tyre made in total of 53 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/40 R19 is 50mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R19, 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.