Kormoran Ultra High Performance is a summer tyre made in total of 55 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 40mm wider than the narrowest dimension (205) 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, Ultra High Performance usually competes against
Potenza Sport, which is a tyre from
Bridgestone with a rating of 87%, compared to 0% of the
Kormoran in question.
