The tyres in size 215/40 R18 are designed for passenger cars, also for those of a sports character. Number 215 is the tyre's tread width in millimetres. Number 40 is a designation of a tyre's profile height in percentage (which amounts 40% out of 215 millimetres of the tyre's tread width). The "R" denotes the radial construction of the tyre. Number 18 at the end of the size is the diameter of the wheel's rim in inches on which 215/40 R18 tyre can be installed. Are you looking for this kind of equipment? Check out our offer of tyres in size 215/40 R18 and choose something for yourself.