Used buying checklist
Citroen C4 reliability, common problems and used buying checks
A used Citroen C4 looks worse than average for reliability in UK MOT data: 24.4% of 182,438 tests failed, compared with 18.7% across all indexed models. A good example should have a clean MOT history for suspension and steering, lights and electrical, and emissions, engine, and exhaust.
It can be, if the exact car has a clean history for suspension and steering, lights and electrical, and emissions, engine, and exhaust.
Start with suspension and steering, lights and electrical, and emissions, engine, and exhaust, then compare the car's mileage and recall record below.
Sources used: DVSA MOT tests (Apr 2026); vehicle recalls (Apr 2026); MOT fault wording (May 2025). MOT data does not capture every reliability issue, especially intermittent engine, gearbox or infotainment faults that do not appear during the test.
- 24.4% MOT failure rate
- Median tested mileage 77,984 miles
- 44,575 failed MOT tests analysed
Suspension and steering is the clearest area to check
Suspension and steering is the clearest named problem area in this model's MOT history (21.1 MOT notes per 100 tests). Example MOT phrases from this area include play in steering rack inner joint(s), ball joint excessively worn, and ball joint has excessive play.
Example MOT phrases to search in the car's history:
- Play in steering rack inner joint(s)
- ball joint excessively worn
- ball joint has excessive play
- has excessive free play detected at the steering wheel (steering rack fitted)
- inoperative in the case of multiple lamps or light sources
- lens defective which has no effect on emitted light
- with a multiple light source more than 1/2 not functioning
- with a multiple light source up to 1/2 not functioning
- has a major leak of exhaust gases
- leaking excessively from engine
Focus on suspension and steering, lights and electrical, and emissions, engine, and exhaust
The model's recorded failure rate is 24.4%, +5.7 percentage points compared with the average across all models. Use the seller questions below to check whether repeat MOT notes have actually been repaired.
- MOT tests analysed182,438 tests
- Median tested mileage77,984 miles
- Failed MOT tests44,575
Should you buy a used Citroen C4?
75.6% of the MOT tests we analysed for this model passed. The model's recorded failure rate is 24.4%, +5.7 percentage points compared with the average across all models. This is a buying brief for the exact car in front of you: clean repeat history matters more than badge reputation.
- Repeat unresolved MOT notes for suspension and steering, lights and electrical, and emissions, engine, and exhaust
- suspension and steering appearing across more than one MOT
- Any dangerous MOT failure on the exact car, especially if the same area appears again later
- No paperwork showing applicable recall work has been completed
- A seller who cannot explain MOT wording such as "Play in steering rack inner joint(s)"
It can be, if the exact car has a clean history for suspension and steering, lights and electrical, and emissions, engine, and exhaust.
Start with suspension and steering, lights and electrical, and emissions, engine, and exhaust, then compare the car's mileage and recall record below.
Suspension and steering is the clearest named problem area in the MOT history (21.1 MOT notes per 100 tests). These counts are issue notes, not failure rates, because a single MOT can list several faults.
Past 100k miles on the Citroen C4, MOT records most often point to suspension and steering, lights and electrical, and emissions, engine, and exhaust.
The MOT failure rate rises from 8.2% at 0-3 years to 30.2% at 15+ years. Compare the car with the nearest age range before treating a fault as normal wear or a warning sign. The average MOT failure rate across all models in the same dataset is 18.7%.
Start with suspension and steering, lights and electrical, emissions, engine, and exhaust, and corrosion and structure. The checklist on this page explains why each area is being recommended, what to inspect, and what to ask the seller.
6 relevant recall notices appear for this model. Treat them as safety checks to verify for the exact car, not as normal MOT wear.
What should I check first?
Start with suspension and steering, lights and electrical, emissions, engine, and exhaust, and corrosion and structure. The checklist on this page explains why each area is being recommended, what to inspect, and what to ask the seller. Each item shows whether it comes from MOT results, recall notices, or a standard used-car check.
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Suspension and steering Seen in MOT results
Suspension and steering is one of the most common MOT problem areas for this model (21.1 MOT notes per 100 tests).
What to check: Listen for knocks, check uneven tyre wear, and inspect steering play.
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Lights and electrical Seen in MOT results
Lights and electrical is one of the most common MOT problem areas for this model (18.0 MOT notes per 100 tests).
What to check: Check every lamp, warning light, horn, battery condition, and dashboard messages.
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Emissions, engine, and exhaust Seen in MOT results
Emissions, engine, and exhaust is one of the most common MOT problem areas for this model (8.6 MOT notes per 100 tests).
What to check: Check warning lights, smoke, exhaust leaks, recent emissions failures, and service history.
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Corrosion and structure Seen in MOT results
Corrosion and structure is one of the most common MOT problem areas for this model (8.2 MOT notes per 100 tests).
What to check: Inspect sills, subframes, mounting points, arches, and underside corrosion advisories.
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Windscreen, wipers, and mirrors Seen in MOT results
Windscreen, wipers, and mirrors is one of the most common MOT problem areas for this model (7.3 MOT notes per 100 tests).
What to check: Check windscreen damage, wiper operation, washers, mirrors, and demisting.
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Tyres and wheels Seen in MOT results
Tyres and wheels is one of the most common MOT problem areas for this model (2.2 MOT notes per 100 tests).
What to check: Check tyre age, tread depth, sidewall damage, wheel condition, and alignment wear.
What changes with mileage?
Past 100k miles on the Citroen C4, MOT records most often point to suspension and steering, lights and electrical, and emissions, engine, and exhaust.
Common MOT problem areas
Common faults: what usually fails on this model?
Suspension and steering is the clearest named problem area in the MOT history (21.1 MOT notes per 100 tests). These counts are issue notes, not failure rates, because a single MOT can list several faults.
Recall-related areas to verify
Official recall areas
Manufacturer recall notices for the Citroen C4 mainly involve 6 areas: emissions, engine, and exhaust, mixed recall notices, lights and electrical, and brakes. Treat each as something to verify on the specific car you are viewing; the recall table below shows the official notice text.
Mileage and age checks
Mileage changes: what starts showing up after high mileage?
Past 100k miles on the Citroen C4, MOT records most often point to suspension and steering, lights and electrical, and emissions, engine, and exhaust. On lower-mileage cars, the most common named areas are lights and electrical, suspension and steering, and windscreen, wipers, and mirrors.
| Mileage range | Tests | Vehicles | Failure rate (vs all models) | Median mileage |
|---|---|---|---|---|
| 0-50k | 32,886 | 26,976 | 15.5%+4.7 percentage points vs all models | 38,341 miles |
| 50-100k | 99,685 | 72,741 | 24.8%+4.1 percentage points vs all models | 74,373 miles |
| 100-150k | 42,229 | 29,495 | 30.0%+3.8 percentage points vs all models | 115,922 miles |
| 150-200k | 5,757 | 3,952 | 30.1%+2.8 percentage points vs all models | 162,810 miles |
| 200k+ | 745 | 492 | 26.7%+0.2 percentage points vs all models | 217,468 miles |
Problem areas by mileage
Past 100k miles on the Citroen C4, MOT records most often point to suspension and steering, lights and electrical, and emissions, engine, and exhaust.
| Mileage range | Car areas most often recorded | Specific MOT defect examples |
|---|---|---|
| 0-50k |
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| 50-100k |
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| 100-150k |
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| 150-200k |
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| 200k+ |
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Fair comparisons: is this problem normal for its age?
The MOT failure rate rises from 8.2% at 0-3 years to 30.2% at 15+ years. Compare the car with the nearest age range before treating a fault as normal wear or a warning sign. The average MOT failure rate across all models in the same dataset is 18.7%. The highest failure rate by age is 30.2% for 15+ years cars, based on 22,363 tests.
| Age range | Tests | Vehicles | Failure rate (vs all models) | Median age |
|---|---|---|---|---|
| 0-3 years 2023–2026 reg. |
110 | 102 | 8.2%-0.3 percentage points vs all models | 3.0 years |
| 3-6 years 2020–2023 reg. |
9,367 | 7,711 | 12.7%+2.1 percentage points vs all models | 4.2 years |
| 6-10 years 2016–2020 reg. |
95,026 | 71,577 | 22.1%+5.5 percentage points vs all models | 8.1 years |
| 10-15 years 2011–2016 reg. |
55,572 | 39,917 | 28.0%+4.5 percentage points vs all models | 12.2 years |
| 15+ years pre-2011 reg. |
22,363 | 15,801 | 30.2%+4.3 percentage points vs all models | 15.9 years |
Recall records and data freshness
Recall context: are there safety notices to know about?
6 relevant recall notices appear for this model. Treat them as safety checks to verify for the exact car, not as normal MOT wear.
| 2026-03-09 | Alternator protection Affected vehicles may have been assembled with contact or with a reduced clearance between the Gasoline Particulate Filter pipe and the pole protection cap of the 48V Belt Starter Generator. There is a possibility of contact between these components leading to water infiltration and an electrical arch which could trigger a thermal event. Replace the pole protection cap of the 48V Belt Starter Generator. Check the distance between the Gasoline Particulate Filter pipe and the pole protection cap of the 48V Belt Starter Generator and re‑position or replace the pipe if required. |
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| 2025-08-18 | Emission recall – On Board Diagnostics Vehicles may be affected by incorrect performance of the On-Board-Diagnostics related to Selective Catalytic Reduction system and/or Diesel Particle Filter. The Malfunction Indicator Light (MIL) may not illuminate in the event of a malfunction and therefore does not comply with emission regulations. Update the Engine Control Unit software to ensure compliance to regulations. |
| 2025-07-31 | Citroen C4 Citroen DS5 Driver Airbag (Takata) On affected vehicles the Takata airbag inflators may deteriorate over time. This may cause some inflators to rupture with too much force in a crash capable of causing serious injury or death in a worst-case scenario. Replace Driver Airbag module. You are advised not to drive the vehicle. |
| 2025-07-18 | Citroen Fuel Pipe On affected vehicles there there may be loose connections between a high-pressure fuel pipe and the engine fuel rail which potentially could lead to a leak and risk of fire. Retighten the affected connections. |
| 2025-07-03 | Citroen DV5R Engines Camshaft Chain. Vehicles may be affected by premature wearing of the camshaft drive chain leading to abnormal noise or to a breakage of the chain in the worst case. Update the software to improve oil pressure and reduce wear. Check the engine noise and replace the chain if required. If no problem found change the oil to one with higher viscosity and special anti-wear additives. |
| 2025-04-14 | Brake Pressure Modulator Valve. On affected vehicles the Electronic Brake System Module is not according to specification which could potentially lead to light internal leakage of brake fluid. Replace the Electronic Brake System Module. |
Related searches
Common ways people look up the Citroen C4. Each link runs the search and lands on the relevant section of this report.
Related reliability guides
See where this model sits against other Citroen reports by MOT failure rate and common problem area.
Compare high-confidence model reports across all makes.
Use the fleet mileage baseline before checking this model's own mileage table.
Compare this model's age pattern with the wider MOT baseline.
Sources used: DVSA MOT tests (Apr 2026); vehicle recalls (Apr 2026); MOT fault wording (May 2025). These are patterns from many MOT tests and recall notices. They help you decide what to inspect and what to ask; they do not certify the condition of one specific car.