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 R18, which means it fits to a 18 inch/457.2mm diameter wheel. This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height. In 215/55 R18, there is only one possible speed index for Dunlop SP Sport MAXX RT2 SUV - "V", which is good for speeds up to 240 km/h. In 215/55 R18, SP Sport MAXX RT2 SUV usually competes against PremiumContact 6, which is a tyre from Continental with a rating of 83%, compared to 0% of the Dunlop in question.