HowtoFindYourTyreSize

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To help guide you towards making the right choice when fitting replacement tyres, there are three main things to remember:

  1. Your tyre size
  2. Your climate condition
  3. Your usage condition

1. Your tyre size

When changing your tyres, make sure they're the same as your vehicle's original equipment tyre size. If you're not sure about the right size, use our Tyre Selector to find the right tyre for your vehicle or read the sidewall of your existing tyre. See How to Read a Sidewall. When tyres are not fitted in complete sets of four, we advise that tyre types are not mixed across an axle. If you are still in doubt, consult your tyre dealer for fitment details for your car.  

Considering a tyre conversion?

Changing the size of a tyre can increase the area of rubber in contact with the ground resulting in better steering response with more precise behaviour through bends. A set of low profile tyres with shorter sidewalls may look better but generally results in a harder ride and more surface irregularities will be felt. It can also also affect braking, engine performance, fuel consumption and so on. For your own safety, stick as closely as possible to the orignal tyre external diameter. Ensure rim widths are compatible with the tyres being considered. We recommend that you consult a specialist when considering a tyre conversion.  

4x4 Vehicles

We strongly recommend that 4x4 vehicles use identical sets of four tyres (same size, make, pattern, load index/speed symbol). The exception is when different front to rear sizes are specified by the vehicle manufacturer. The vehicle manufacturer's recommendations should also be followed. 

2. Your climate condition

Your tyres have to handle a wide variety of climatic conditions: rain, strong wind, fog, snow, ice and so on. These all affect their performance and you need to adapt your driving style to suit each weather type. Before a long trip, check the condition of your car and tyres.