EngineCritical
1.2 PureTech wet belt (Mokka B) breakdown into the oil system
- Typically appears
- 60,000+ miles or 6 years
- What to inspect
- Ask for belt paperwork, check oil for debris
- Typical repair
- Timing / wet belt kit + water pump · £450–£1,100
VA
Is the 2012–2025 Vauxhall Mokka reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
3.5/ 10
Buy with cautionOn our documented-fault scoring the Vauxhall Mokka rates 3.5 out of 10 · buy with caution. We hold 8 known faults for it and 1 of them are rated critical and 2 high, so a bad example can be expensive. The weak points cluster around engine, electrical and suspension. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.
Verdict · Walk unless the history is spotless
What the score is built from
- Critical
- 1
- High
- 2
- Medium
- 4
- Low
- 1
Weak points cluster around engine, electrical, suspension, engine (1.6 cdti diesel mokka a).
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Check this carThe faults that decide it
EngineHigh
1.4 turbo (Mokka A) chain and water pump wear
- Typically appears
- 70,000+ miles
- What to inspect
- Cold-start listen and coolant inspection
- Typical repair
- Turbocharger replacement · £750–£2,200
Engine (1.6 CDTi Diesel Mokka A)High
Loud metallic rattling on cold start from the gearbox side of the engine.
- Typically appears
- 70,000-100,000 miles
- What to inspect
- Open the bonnet and perform a cold start. Listen closely to the rear right of the engine block (flywheel side) for a sharp clatter lasting 3-5 seconds before oil pressure builds.
- Typical repair
- Clutch & dual-mass flywheel · £700–£1,600
ElectricalMedium
Battery drain and infotainment resets on Mokka B
- Typically appears
- Any
- What to inspect
- Leave the car locked, then check for a slow crank; test the screen
- Typical repair
- Infotainment repair or software fix · £120–£1,200
Engine (1.4 Turbo Mokka A)Medium
High-pitched whistling noise at idle, rough running, and excessive crankcase vacuum.
- Typically appears
- 60,000-90,000 miles
- What to inspect
- With the engine idling, attempt to remove the oil filler cap. If there is heavy suction resistance and the whistling stops once the cap is off, the rocker cover PCV membrane has failed.
- Typical repair
- Turbocharger replacement · £750–£2,200
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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