Uneven tyre wear is a sign that something is wrong with your vehicle. Learn the most common causes of uneven tyre wear, what the different patterns mean, and how to address them.
Uneven tyre wear is almost always a symptom of an underlying vehicle issue rather than a problem with the tyres themselves. The most common cause is incorrect wheel alignment, also known as tracking. When your wheels are not properly aligned, the tyres drag across the road surface at a slight angle, causing the inner or outer edge to wear significantly faster than the rest of the tread.
Incorrect tyre pressure is another frequent cause of uneven wear. Under-inflated tyres wear on both edges while the centre remains relatively unworn. Over-inflated tyres wear in the centre while the edges remain relatively deeper. Worn or damaged suspension components — including shock absorbers, ball joints and control arms — can also cause bounce and movement that leads to irregular tyre wear patterns.
Different wear patterns tell different stories. Wear on only the inner or outer edge of the tread indicates wheel misalignment. Wear on both edges with a higher centre suggests chronic under-inflation. A raised, worn appearance on alternate tread blocks — often called cupping or scalloping — indicates worn shock absorbers or suspension components.
Centre wear with good edge depth suggests over-inflation. Patchy or flat-spotted areas of wear can indicate wheel imbalance or sudden hard braking that has caused the tyre to lock up. Identifying the pattern accurately helps diagnose the root cause.
Once you have identified uneven wear, the priority is to address the underlying cause before fitting new tyres, otherwise the new tyres will simply wear unevenly too. Have your wheel alignment checked and corrected, check and set your tyre pressures to the manufacturer's specification, and have your suspension inspected if you suspect worn components.
After addressing the cause, new tyres can be fitted. Contact Tech Mobile Tyres for mobile tyre fitting across all our UK locations. Our engineers can also carry out wheel balancing on-site, which helps prevent certain types of uneven wear.
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