Imperial All Season Driver is a allround tyre made in total of 139 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/40 R20 is 110mm wider than the narrowest dimension (145) and 20mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In
255/40 R20, All Season Driver usually competes against
Turanza All Season 6, which is a tyre from
Bridgestone with a rating of 92%, compared to 15% of the
Imperial in question.
All Season
