The tyres in size 215/55 R18 are used in SUV and sports cars. The number 215 in the first position is a tyre's tread width in millimetres. The number stands for the tyre's profile height which amounts 55% out of 215 millimetres of the tyre's tread width. The "R" in the third position means that the tyre uses in its built the radial construction. Number 18 at the end of the size is the diameter of the wheel's rim in inches on which 215/55 R18 tyre can be installed. Check out our offer of tyres in size 215/55 R18 and choose something for yourself.