Ford Fiesta vs Toyota Yaris
On MOT-testable defects the Toyota Yaris comes out ahead: 17.2% of its tests record a failure against 21.1% for the Ford Fiesta, a 4.0-point gap. The biggest single difference is suspension, where the Fiesta records failures noticeably more often.
21.1%
Fiesta fail rate
17.2%
Yaris fail rate
3.98pp
Difference
Side by side
| Metric | Ford Fiesta | Toyota Yaris |
|---|---|---|
| MOT tests analysed | 8,785,208 | 2,673,900 |
| Pass rate | 78.8% | 82.8% |
| Fail rate | 21.1% | 17.2% |
Where they differ
| Category | Fiesta | Yaris |
|---|---|---|
| Suspension | 9.8% | 7.4% |
| Tyres | 6.1% | 4.1% |
| Visibility | 3.9% | 5.2% |
| Lighting & signalling | 12.6% | 11.6% |
| Brakes | 4.5% | 4.7% |
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.