EVER wondered what the numbers on a tyre’s sidewall mean?

Here’s all there is to know about the tyre:

In the example: 205/55 R 16 91V

-205 is the width of the tyre in millimeters;

-55 is the height of the sidewall expressed as a percentage of the width;

, R reveals it’s a radial tyre;

, 16 is the wheel diameter in inches;

, 91 is its load index;

, V is its speed rating.

Tyre pressure

Ideal tyre pressure is a combination of tyre size, the weight of the vehicle and whether or not the vehicle is loaded. Find the correct pressure in the owner’s manual in your glove compartment or on the inside of the driver’s door.