Barum Polaris 5 is a winter tyre made in total of 76 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/45 R18 is 90mm wider than the narrowest dimension (135) and 30mm narrower than the widest one (255). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (225mm), which results in 101.25mm sidewall height. In
225/45 R18, Polaris 5 usually competes against
Kristall Control HP2, which is a tyre from
Fulda with a rating of 64%, compared to 63% of the
Barum in question. Latest test in
225/45 R18 was held by Autobild in 2023, where Polaris 5 received rating "Satisfactory" and finished on the 9. place. It was tested on a
BMW 3.
Winter
