Citroen C1 vs Fiat 500
On MOT-testable defects, the Citroen C1 (fail rate 18.9%) performed better than the Fiat 500 (21.0%) across comparable years. The biggest divergence was suspension, where the 500 recorded failures more often.
18.9%
C1 fail rate
21.0%
500 fail rate
2.11pp
Difference
Side by side
| Metric | Citroen C1 | Fiat 500 |
|---|---|---|
| MOT tests analysed | 994,636 | 1,868,841 |
| Pass rate | 81.2% | 79.0% |
| Fail rate | 18.9% | 21.0% |
Where they differ
| Category | C1 | 500 |
|---|---|---|
| Suspension | 4.5% | 11.1% |
| Lighting & signalling | 10.6% | 8.1% |
| Brakes | 7.8% | 5.6% |
| Visibility | 4.0% | 4.3% |
| Tyres | 5.4% | 5.2% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.