Pirelli P ZERO All Season is a summer tyre made in total of 9 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/45 R20 is 30mm wider than the narrowest dimension (225) and 60mm narrower than the widest one (315). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In
255/45 R20, P ZERO All Season usually competes against
Turanza All Season 6, which is a tyre from
Bridgestone with a rating of 92%, compared to 0% of the
Pirelli in question.
