The tyres in size 225/40 R18 are characteristic for sports passenger cars. Number 225 at the beginning of the size is the tyre's tread width in millimetres. The next number is concerned with the tyre's profile height and it amounts 40% out 225 millimetres of the tyre's tread. The only letter in the size - "R" - 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 225/40 R18 tyre can be installed. In our offer you will find many tyre models in size 225/40 R18. Read opinions about them and choose something for yourself.