Goodyear Eagle F1 Asymmetric 3 SUV is a summer tyre made in total of 80 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 305/40 R20 is 70mm wider than the narrowest dimension (235) and -30mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (305mm), which results in 122mm sidewall height. In
305/40 R20, Eagle F1 Asymmetric 3 SUV usually competes against
Dueler H/P Sport, which is a tyre from
Bridgestone with a rating of 0%, compared to 0% of the
Goodyear in question.