Dunlop SP Sport MAXX RT2 SUV is a summer tyre made in total of 22 sizes, ranging from R18 to R18 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/45 R21 is 60mm wider than the narrowest dimension (215) and 20mm narrower than the widest one (295). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In
275/45 R21, SP Sport MAXX RT2 SUV usually competes against
Turanza T005, which is a tyre from
Bridgestone with a rating of 88%, compared to 0% of the
Dunlop in question.