Citroen C4 vs Citroen Relay 1100 i swb: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Citroen C4
72%
MOT pass rate · 236,872 vehicles
Citroen Relay 1100 i swb
86%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Citroen C4 (72%) and Citroen Relay 1100 i swb (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Citroen C4 | Citroen Relay 1100 i swb |
|---|---|---|
| MOT pass rate | 72% | 86% ✓ |
| MOT failure rate | 28% | 14% ✓ |
| Faults & advisories per test | 2.0 | 0.0 ✓ |
| Dangerous-fault share | 3% | — ✓ |
| Average mileage | 100,675 mi | 45,365 mi |
| Sample size (vehicles) | 236,872 | 4 |
Most common faults
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))
Citroen Relay 1100 i swb
No fault breakdown available.
Reliability FAQ
On MOT pass rate the Citroen C4 (72%) and Citroen Relay 1100 i swb (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Citroen C4 report Full Citroen Relay 1100 i swb 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.