Nokian Powerproof 245/45 R18

Nokian Powerproof is a summer tyre made in total of 53 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/45 R18 is 40mm wider than the narrowest dimension (205) and 30mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In 245/45 R18, Powerproof usually competes against Dynaxer HP5, which is a tyre from Kleber with a rating of 64%, compared to 0% of the Nokian in question. Latest test in 245/45 R18 was held by Autobild in 2019, where Powerproof received rating "Satisfactory" and finished on the 7. place. It was tested on a BMW 5 series.