EngineCritical
1.2 PureTech wet belt degradation
- Typically appears
- 60,000+ miles or 6 years
- What to inspect
- Demand belt evidence and inspect the oil
- Typical repair
- Timing / wet belt kit + water pump · £450–£1,100
Is the 2014–2025 Citroen C4 reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
2.0/ 10
Buy with cautionOn our documented-fault scoring the Citroen C4 rates 2.0 out of 10 · buy with caution. We hold 8 known faults for it and 1 of them are rated critical and 4 high, so a bad example can be expensive. The weak points cluster around engine, exhaust and electrical. 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
- 4
- Medium
- 3
- Low
- 0
Weak points cluster around engine, exhaust, electrical, battery.
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Build the inspection planThe faults that decide it
ExhaustHigh
BlueHDi DPF and AdBlue faults
- Typically appears
- 70,000+ miles
- What to inspect
- Check AdBlue warnings and regen history
- Typical repair
- DPF forced regen or replacement · £250–£1,600
BatteryHigh
e-C4 battery health and charging behaviour
- Typically appears
- Any
- What to inspect
- Run a state-of-health check and test both charging modes
- Typical repair
- HV battery module work · £1,200–£8,000
TransmissionHigh
Severe juddering when pulling away or delayed engagement in first gear and reverse on ETG6 automated manuals.
- Typically appears
- 50,000-70,000 miles
- What to inspect
- Perform a series of slow-speed forward and reverse manoeuvres on the forecourt, feeling for clutch slip, hesitation, or violent judder.
- Typical repair
- Clutch & dual-mass flywheel · £700–£1,600
EngineHigh
Rattling noise from the top of the engine on 1.5 BlueHDi (DV5) models due to internal camshaft chain stretching.
- Typically appears
- 60,000-80,000 miles
- What to inspect
- Start the engine from cold and listen closely to the top end (cam cover area) for a distinct metallic rattle before oil pressure builds.
- Typical repair
- Interior trim repair · £90–£450
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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