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All You Need to Know About Mixing Tyres

When your tyres come to the end of their life, you may be thinking about mixing tyres, either by using tyres of different tread patterns or brands on the same vehicle. Most manufacturers will recommend that you do not mix tyres if you can help it, as it may cause issues on the road. There are some rare exceptions, as you may need to replace just one of two tyres due to accidental damage or general wear and tear. In this article, we’ll give you the lowdown on what you need to know before you mix your tyres.

Mixing Different Tyre Brands and Tread Patterns

mixing different tyre brands and patterns

It is not recommended to mix your tyres. Tyres are designed with the thought in mind that they’ll work in unison with three other tyres, so it makes sense that manufacturers would recommend to not mix the tyres with different brands and treads. 

There are two main ways that a tyre could be constructed differently, these are the ply pattern and tread pattern. It is illegal to mix cross-ply and radial-ply tyres in the UK. Cross-ply tyres are diagonally overlapped, creating a solid structure, although it may become hot under situations of extreme stress. Radial-ply tyres are arranged in the direction of travel, so horizontal to the tyres rim. Radial-ply tyres offer much more flexibility and reduce the build up of heat in the tyre. 

Due to the stark difference between the two, mixing cross-ply and radial-ply tyres would leave your vehicle unable to create a unified tolerance to all your tyres, causing excessive tyre damage and a potential blowout – possibly causing traffic incidents. 

Mixing different tread depths is generally okay, but it is recommended that newer tyres are installed at the rear axle, as it gives the driver greater control over the braking and steering of the car. 

Mixing Different Tyre Sizes

mixing different tyre sizes

There are many reasons why it’s strongly advised against to mix your tyre sizes, these reasons include:

  • You may receive false speedometer readings, so you won’t know your actual speed.
  • Unequal tyres can affect your cars steering, acceleration and handling. 
  • Gives your car slower response to your actions. Braking may take longer as well as accelerating, which could have deadly consequences for you and your passengers. 
  • Can cause serious instability in extreme weather.
  • After long-term use, uneven tyres could destroy the car’s clutch. 

Should I Rotate my Tyres?

should I rotate tyres

Rotating your tyres’ position on your car comes with an array of benefits, including:

  • Maximises your tyres service life, as they will all take equal damage throughout their use. 
  • Allows you to incorporate the spare tyre so all your tyres will be at the same standard. 
  • Gives you the peace of mind your spare tyre works up to standard with your regular tyre. 

What Are Approved Tyre Mixtures?

Various vehicles are fitted with different tyres in the factory, making them acceptable for tyre mixing. It is best to ask your local mechanics what they’d recommend for your car as the requirements can be specific and confusing. 

Tyres Northampton is the leading tyre supplier and installer in the Northampton, Rugby and Milton Keynes areas. Our team have years of experience in the tyre industry, with a reputation for being a reliable and fast service for all our customers. For more information on our products and services, please get in touch with a member of our team today.


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