Goodyear UltraGrip Performance Gen-1 is a winter tyre made in total of 102 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 50mm wider than the narrowest dimension (195) and 30mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In
245/40 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. Latest test in
245/40 R18 was held by Sportscars in 2016, where UltraGrip Performance Gen-1 received rating "Test winner" and finished on the 1. place. It was tested on a
.