What are the tire size equivalents?

To ensure their optimal role, the tires must be compatible with your vehicle. Indeed, there are several tire sizes with different load and speed ratings. That is why it is necessary to use a tire size and equivalence table or a tire matching calculator.

🚗 What is the tire equivalent?

Tire equivalence is important for tire fitting the right size and compatible with your car. The most important criterion to consider when choosing new tires is the same diameter than previously installed.

Indeed, the calculation of matching tire sizes will not take into account brand и model your car. For example, this calculator does not take into account the size of brake discs, which may be larger or smaller depending on the car model.

It is generally recommended that an equivalent tire has difference between + 1.5% and -2% in diameter with the original tire fitted to your car. If you have any doubts about approved size your vehicle's tires, you can find this information in your vehicle manufacturer's manual.

Many look-up tables or calculators are available online so that you can find out about the different tire equivalents.

It should be noted that driving with large tires will have impact on your counter : The displayed speed will be lower than the actual speed, and vice versa for smaller tires, where the speedometer will show a higher speed.

Because there is an allowable difference in tire diameters, there are advantages and disadvantages to riding with larger or smaller tires.

🔎 What is rim matching?

Depending on the diameter of your tire, you will also need adapt the width Rim to be asked. Please refer to the vehicle manufacturer's brochure for the width of the rims suitable for your vehicle. This diameter is expressed in inch and varies between 5 for the narrowest tires and 12 for the widest tires.

Each rim fits all tire diameters. Below you will find a table of the correspondence between the width of the rims and the tires of your car.

⚡ Tire Load Index and Speed: How does it work?

The speed index as well as the load index are present on your tires. They are part of the links that will be used when they are changed.

The tire speed index corresponds to the maximum speed at which the tire can roll and is expressed by a letter ranging from Toy... In addition, the tire load index is the sum of 2 or 3 digits and lets you know the maximum load that the tire can withstand. This will vary between And 20 120 depending on the models.

You are now familiar with tires and, in particular, their size equivalents! As you can imagine, you must be careful when buying tires to make sure they are compatible with your vehicle and original tires. To change tires, use our trusted mechanic comparator to find the closest to you at an attractive price!