Gearbox Failure: Should You Repair or Scrap the Car?

Last updated: July 2026 — every figure on this page was checked against the named UK sources on 8 July 2026.

Gearbox repairs average £330 in the UK; replacements run from £500 for a manual to £5,000 for some automatics. The spread is so wide that the diagnosis — repairable fault or dead box — decides the question before any value maths.

A reconditioned gearbox (£727.62 average, FixMyCar) is the middle path that saves many borderline cars.

What the repair side costs

JobTypical costSource
Gearbox repair (UK average)£329.67 (£300–£2,500 range)FixMyCar
Automatic gearbox repair (average)£517.94FixMyCar
New manual gearbox£500–£3,000FixMyCar
New automatic gearbox£1,000–£5,000FixMyCar
Reconditioned gearbox (average)£727.62FixMyCar
Replacement, typical band£500–£2,800Bumper

Bumper’s fault-specific ranges show why diagnosis matters: a box that will not go into gear can be a £100–£300 fix (linkage or clutch hydraulics), popping out of gear runs £350–£600, one gear not driving £400–£700. Standard automatics replace at £600–£1,200, but twin-clutch/DSG units run £1,100–£2,300. Labour alone is £400–£600 — 8–10 hours at £40–£60/hour (Bumper) — which is why swapping to a reconditioned unit often beats opening a dead box.

The decision in three questions

  1. Is it actually the gearbox? Clutch hydraulics, linkages and mounts mimic gearbox faults at a tenth of the price. Insist on a diagnosis before any big number.
  2. Repair, recondition or replace? £330-average repair for a specific fault; £728-average reconditioned unit for a tired box; £1,000–£5,000 new — in a manual-vs-automatic world, the automatic always costs more.
  3. Does it pass the 50–60% rule? Insurers write off at half to two-thirds of value (AA; RAC’s example is 60%). A £1,500 DSG job on a £2,200 car fails it; the same job on a £6,000 car passes easily.

What the scrap side pays

Average scrap payout: £279 (CarTakeBack, June 2026), around £200 per Scrap Car Comparison — weight-based, so the dead gearbox barely moves it. A car with a blown automatic and good bodywork may be worth meaningfully more to a breaker or trade buyer than to the scales; get both numbers before deciding.

Frequently asked questions

Why are automatic gearboxes so much dearer?

Complexity and parts: FixMyCar puts automatic repairs at £517.94 average against £329.67 for gearbox repairs generally, and new automatics at £1,000–£5,000. Twin-clutch (DSG-type) units sit at the top of Bumper’s £1,100–£2,300 replacement band.

Is a reconditioned gearbox trustworthy?

A properly reconditioned unit (£727.62 average on FixMyCar) comes rebuilt with worn parts renewed and usually a warranty — ask for its terms in writing. It is the standard middle path between a £300 repair and a £3,000 new box.

How long does gearbox work take?

Bumper estimates 8–10 hours for remove-repair-refit; Checkatrade says 6–10 hours and one to two days at the garage; BookMyGarage warns repairs needing parts can stretch to days.

My gearbox is noisy but works — repair now or wait?

Bumper prices noise-only faults at £100–£600 — the cheap end of gearbox work. Waiting until it stops driving moves you into replacement territory, so early diagnosis is the money-saving move.


Related guides

Sources: FixMyCar gearbox cost guide, Bumper gearbox guide, the RAC and CarTakeBack, all checked 8 July 2026. See how we verify prices.

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