Running your tyres just 10 PSI below the recommended pressure can reduce fuel efficiency and tyre life significantly. The hidden cost is bigger than most drivers realise.
Under-inflated tyres are a silent problem — they rarely cause an immediate incident but quietly erode both your safety and your finances. Running just 10 PSI below the recommended pressure has measurable real-world consequences that most drivers significantly underestimate.
1Increased Fuel Consumption
Under-inflated tyres have a larger contact patch with the road and generate greater rolling resistance, forcing the engine to work harder. Running 20% below recommended pressure can reduce fuel efficiency by up to 5%, adding a meaningful cost over a year's driving.
2Accelerated and Uneven Tyre Wear
Low pressure causes the outer edges of the tyre to bear more load than the centre tread, leading to rapid shoulder wear. A tyre running 20% below recommended pressure can wear out up to 25% faster, significantly shortening its service life.
3Increased Blowout Risk
Sustained under-inflation causes the tyre sidewall to flex excessively with each wheel rotation. This generates heat that progressively weakens the internal cord structure, dramatically raising the risk of a sudden, catastrophic blowout — especially at motorway speeds.
4Compromised Handling
Soft tyres feel sluggish, respond more slowly to steering input and have longer braking distances than correctly inflated tyres. The imprecision is subtle enough that many drivers adapt without realising their safety margins have been significantly reduced.
Pressure checks are free at any petrol station and take under five minutes. Bradford Mobile Tyres recommends pairing monthly pressure checks with an annual tread-depth and condition inspection.
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