Dunlop SP Sport MAXX GT is a summer tyre made in total of 136 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 325/25 R20 is 90mm wider than the narrowest dimension (235) and -10mm narrower than the widest one (315). This tyre profile of 25 means the sidewall height of the tyre is 25% of the tyre width (325mm), which results in 81.25mm sidewall height. In
325/25 R20, SP Sport MAXX GT usually competes against
SportContact 6, which is a tyre from
Continental with a rating of 0%, compared to 0% of the
Dunlop in question.