Barum Polaris 5 4x4 is a winter tyre made in total of 18 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 10mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (255). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In
215/50 R18, Polaris 5 4x4 usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 87%, compared to 0% of the
Barum in question.
