Citroen 1 vs Citroen C4: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Citroen 1
67%
MOT pass rate · 1 vehicles
Citroen C4
72%
MOT pass rate · 236,872 vehicles
Verdict: On MOT pass rate the Citroen 1 (67%) and Citroen C4 (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Citroen 1 | Citroen C4 |
|---|---|---|
| MOT pass rate | 67% | 72% ✓ |
| MOT failure rate | 33% | 28% ✓ |
| Faults & advisories per test | 1.3 ✓ | 2.0 |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 320,895 mi | 100,675 mi |
| Sample size (vehicles) | 1 | 236,872 |
Most common faults
Citroen 1
- Nail in nearside front tyre
- Offside Front Windscreen wiper does not clear the windscreen effectively (8.2.2)
- Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
- Nearside Front Windscreen wiper does not clear the windscreen effectively (8.2.2)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Brakes imbalanced across an axle (3.7.B.5b)
Citroen C4
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Citroen 1 (67%) and Citroen C4 (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Citroen 1 report Full Citroen C4 report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.