Dunlop SP Sport MAXX RT2 SUV is a summer tyre made in total of 28 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 315/35 R20 is 80mm wider than the narrowest dimension (235) and -20mm narrower than the widest one (295). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (315mm), which results in 110.25mm sidewall height. In 315/35 R20, there is only one possible speed index for Dunlop SP Sport MAXX RT2 SUV - "Y", which is good for speeds up to 300 km/h. In 315/35 R20, SP Sport MAXX RT2 SUV usually competes against Turanza 6, which is a tyre from Bridgestone with a rating of 77%, compared to 0% of the Dunlop in question.