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Tyres > Help > Tyres Help > Why is my tyre wearing in the middle or on both edges?
Wear concentrated in the centre of the tread, with the edges left relatively untouched, is a classic sign of overinflation. Too much air pressure causes the tyre to bulge slightly in the middle, so more of the car's weight, and more of the wear, is carried there rather than spread across the full width of the tread.
If both edges of the tyre are wearing faster than the centre, it usually points to underinflation. When a tyre doesn't have enough air, its sidewalls sag slightly, shifting the load onto the two outer edges of the tread rather than the middle.
Check your tyre pressures regularly, ideally at least once a month and before any long journey, against the figures in your vehicle handbook or the sticker inside the driver's door. Our guides on checking your tyre pressure and when to check it cover this in more detail.
Correcting your tyre pressure will stop the problem getting worse, but it won't reverse wear that's already happened. If the wear is significant, the affected tyre may need replacing sooner than expected, so it's worth checking your pressures regularly to avoid this in future.