Nokian zLine SUV is a summer tyre made in total of 28 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/45 R20 is 20mm wider than the narrowest dimension (235) and 40mm narrower than the widest one (295). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In
255/45 R20, zLine SUV usually competes against
PremiumContact 6, which is a tyre from
Continental with a rating of 83%, compared to 0% of the
Nokian in question.