MOT/Advisories/Tyre Damage

Tyre Damage Advisory

Major
Can drive
£80–£200 per tyre

What does this advisory mean?

DVSA identified visible damage (bulges, cuts, cracks, embedded objects) on your tyres. Damaged tyres compromise braking, increase puncture risk, and can cause blowouts. Tyres are the #2 MOT failure reason (21% of failures).

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Why does this happen?

  • Hitting potholes or road debris
  • Kerbing or sideswipe damage
  • Age-related sidewall cracking (5+ years)
  • Underinflation causing sidewall flex
  • Sharp object penetration (nails, glass)
  • Poor road conditions (UK winter damage common)

Quick answer

Tyre damage escalates quickly. Small tread cuts can be patched (£25–£40). Sidewall bulges or deep cuts = replacement only. Replace within 2–4 weeks before blowout risk increases.

Repair vs replace decision

Can repair: small tread puncture

If less than 6mm, in the central 3/4 of tyre, no cords exposed. Repair patch: £25–£40. Lasts 15,000–20,000 miles.

Must replace: bulges, sidewall cuts

Structural failure risk. Blowout danger. Immediate replacement required. Do not drive at speed.

Signs tyre damage is critical

  • Bulge or bubble on sidewall (structural failure)
  • Multiple cuts or deep cracks (cords exposed)
  • Hissing or air loss (puncture worsening)
  • Uneven wear (suspension/alignment issue)
  • Vibration or pulling while driving (damage affecting handling)

Real DVSA wording

"Tyre has visible damage but still roadworthy" / "Tyre bulge or cut requires replacement"

If testers say "replace," they've assessed structural damage. Don't try to repair—follow their guidance.

UK tyre replacement costs

Budget (per tyre): £50–£100 + fitting

Mid-range (per tyre): £80–£150 + fitting

Premium/winter (per tyre): £120–£200 + fitting

Fitting (per wheel): £10–£20

4 tyres + balance + alignment: £400–£800

London prices 15–25% higher. Always buy matching pairs (at least on same axle). Cheap tyres wear faster—mid-range offers best value.

When to fix it

Fix within 2–4 weeks

Tyre damage worsens with mileage and temperature. Blowout risk increases with driving. Don't delay.

Ownership signal: Frequent tyre damage indicates poor driving habits (speed, potholes) or suspension misalignment. Address underlying cause or damage repeats.

Prevent future damage

  • Check tyre pressure monthly (correct pressure reduces damage risk)
  • Avoid potholes, debris, and kerbing
  • Rotate tyres every 12,000–15,000 miles
  • Get wheel alignment checked (misalignment accelerates damage)
  • Replace tyres every 5–7 years, even if tread is OK (age-related degradation)

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Last reviewed: July 2026 · MOT data sourced from DVSA · Editorial Policy