Uniroyal WinterExpert 245/40 R18

Uniroyal WinterExpert is a winter tyre made in total of 93 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 80mm wider than the narrowest dimension (165) 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, WinterExpert usually competes against KRISALP HP3, which is a tyre from Kleber with a rating of 77%, compared to 79% of the Uniroyal in question.