Citroen C1 vs Ford Ka
On MOT-testable defects the Citroen C1 comes out ahead: 18.7% of its tests record a failure against 21.6% for the Ford Ka, a 2.9-point gap. The biggest single difference is suspension, where the Ka records failures noticeably more often.
18.7%
C1 fail rate
21.6%
Ka fail rate
2.9pp
Difference
Side by side
| Metric | Citroen C1 | Ford Ka |
|---|---|---|
| MOT tests analysed | 1,005,242 | 1,161,860 |
| Pass rate | 81.3% | 78.4% |
| Fail rate | 18.7% | 21.6% |
Where they differ
| Category | C1 | Ka |
|---|---|---|
| Suspension | 4.5% | 11.9% |
| Brakes | 7.7% | 6.0% |
| Lighting & signalling | 10.5% | 9.2% |
| Visibility | 4.0% | 4.6% |
| Tyres | 5.3% | 4.9% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.