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Tyres >Help >Tyres Help > Can you mix run flat tyres with normal tyres?
Although there are no legislation in the UK that bans the mixing of run flat and conventional tyres on a vehicle, it is not recommended to mix run flat with normal tyres.
Run flat tyres are specifically designed to perform differently from conventional tyres. Their stiffer carcass and unique construction has been engineered to ensure you can drive a limited distance (up to 50 miles) at reduced speeds (up to 50 mph) when your tyre suffers a puncture.
When mixed with traditional tyres, the handling of the vehicle can be affected and a potential loss of grip experienced. This is due to the fact run flat tyres have stiffer sidewalls. They therefore respond to steering and braking in a different way to standard tyres. This mismatch in how the tyres behave when in use can make the can feel unstable.
Drivers need to understand that the type of tyre fitted to a vehicle can have a significant impact on its performance and safety.
If you are unsure about tyre choice, consult with a qualified tyre fitter before making any decisions on tyre replacements.