Cooper Discoverer All Season 255/45 R20

Cooper Discoverer All Season is a allround tyre made in total of 98 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/45 R20 is 80mm wider than the narrowest dimension (175) and 0mm narrower than the widest one (255). 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, Discoverer All Season usually competes against Quatrac Pro, which is a tyre from Vredestein with a rating of 68%, compared to 20% of the Cooper in question.