Pirelli Scorpion Winter 2 is a winter tyre made in total of 88 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/40 R20 is 50mm wider than the narrowest dimension (225) and 50mm narrower than the widest one (325). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In
275/40 R20, Scorpion Winter 2 usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 87%, compared to 86% of the
Pirelli in question.