Nokian WR D4 185/55 R15

Nokian WR D4 is a winter tyre made in total of 82 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 185/55 R15 is 30mm wider than the narrowest dimension (155) and 90mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (185mm), which results in 101.75mm sidewall height. In 185/55 R15, WR D4 usually competes against Wintercraft Wp52, which is a tyre from Kumho with a rating of 55%, compared to 0% of the Nokian in question.