The tyres in size 245/40 R18 are installed in cars of a sports character. The first position in the tyre's size is reserved for the tyre's tread width expressed in millimetres. The next number denotes a tyre's profile height which amounts 40% out of 245 millimetres of the tyre's tread width. The next element of the size is the "R" which indicates that the tyre is produced with the use of the radial construction. Number 18 at the end is the diameter of the wheel's rim which can be installed with the tyre in size 245/40 R18. Are you searching for the equipment in this size? Check out our offer and the database of the opinions and you will quickly choose the tyre model in size 245/40 R18.