Continental AllSeasonContact 2 275/40 R18

Continental AllSeasonContact 2 is a allround tyre made in total of 286 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 275/40 R18 is 110mm wider than the narrowest dimension (165) and 10mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height.