Goodyear EAGLE F1 GSD3 275/35 R18

Goodyear EAGLE F1 GSD3 is a summer tyre made in total of 14 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 275/35 R18 is 80mm wider than the narrowest dimension (195) and 10mm narrower than the widest one (285). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (275mm), which results in 96.25mm sidewall height.