What is the size of tyres on my car

How to find out my tyre size?

Your tyre size, speed and load rating area mixture of numbers and letters similar to those below:

Tyre Size Example: 240 40 R20

  1. Tyre Width -  240 is the width in millimetres. For standard tyres, this number varies between 125 and 335 millimetres.
  2. Height - 40 is the height of the tyre as a percentage of the tyre width (240).
  3. R - means the tyre is a radial construction.
  4. Diameter - 20 is the diameter of the tyre.

The letter ‘E’ should also be stamped on your tyre which means the tyre complies with European Safety Standards.

Dimensión obligatoria del neumático

The additional part

  1. Load Index '99' - is an index showing the maximum load the tyre at the speed designated by the speed symbol.
  2. Speed symbol 'W' - relates to the maximum speed at which the tyre can travel with a full load.