Goodyear UltraGrip Performance Gen-1 255/40 R18

Goodyear UltraGrip Performance Gen-1 is a winter tyre made in total of 101 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/40 R18 is 60mm wider than the narrowest dimension (195) 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 R18, UltraGrip Performance Gen-1 usually competes against Winter i*cept evo2 W320, which is a tyre from Hankook with a rating of 0%, compared to 0% of the Goodyear in question.