Barum Polaris 6 is a winter tyre made in total of 98 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 60mm wider than the narrowest dimension (155) 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 6 usually competes against
Speed-Grip 5, which is a tyre from
Semperit with a rating of 78%, compared to 83% of the
Barum in question.
Winter
