Unigrip Winter Pro S200 is a winter tyre made in total of 18 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/45 R18 is 30mm wider than the narrowest dimension (215) and 10mm narrower than the widest one (255). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In
245/45 R18, Winter Pro S200 usually competes against
Kinergy 4S2 H750, which is a tyre from
Hankook with a rating of 87%, compared to 0% of the
Unigrip in question.