Ford Fiesta vs Mini Mini
On MOT-testable defects, the Ford Fiesta (fail rate 21.4%) performed better than the Mini Mini (23.9%) across comparable years. The biggest divergence was emissions & environmental, where the Mini recorded failures more often.
21.4%
Fiesta fail rate
23.9%
Mini fail rate
2.54pp
Difference
Side by side
| Metric | Ford Fiesta | Mini Mini |
|---|---|---|
| MOT tests analysed | 8,619,508 | 1,775,595 |
| Pass rate | 78.6% | 76.0% |
| Fail rate | 21.4% | 23.9% |
Where they differ
| Category | Fiesta | Mini |
|---|---|---|
| Emissions & environmental | 0.0% | 6.5% |
| Visibility | 3.9% | 0.0% |
| Brakes | 4.5% | 7.8% |
| Suspension | 10.0% | 7.0% |
| Lighting & signalling | 12.7% | 14.5% |
| Tyres | 6.1% | 5.1% |
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.