Nankang Winter Activa 4 is a winter tyre made in total of 3 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/40 R18 is 40mm wider than the narrowest dimension (175) and 0mm narrower than the widest one (215). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (215mm), which results in 86mm sidewall height. In
215/40 R18, Winter Activa 4 usually competes against
BluEarth winter V905, which is a tyre from
Yokohama with a rating of 0%, compared to 23% of the
Nankang in question.
Winter
