GoodYear UltraGrip Performance 3 265/65 R18

GoodYear UltraGrip Performance 3 is a winter tyre made in total of 356 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 265/65 R18 is 90mm wider than the narrowest dimension (175) and 20mm narrower than the widest one (285). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (265mm), which results in 172.25mm sidewall height.