Nankang CROSS SEASONS AW-6 is a allround tyre made in total of 83 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 90mm wider than the narrowest dimension (155) and 10mm narrower than the widest one (255). 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, CROSS SEASONS AW-6 usually competes against
Quatrac, which is a tyre from
Vredestein with a rating of 92%, compared to 44% of the
Nankang in question.