Fiat 500 vs Toyota Aygo
The Toyota Aygo has the better MOT record of the two — 15.3% fail rate versus 20.5% for the Fiat 500 across comparable years. The biggest single difference is suspension, where the 500 records failures noticeably more often.
20.5%
500 fail rate
15.3%
Aygo fail rate
5.17pp
Difference
Side by side
| Metric | Fiat 500 | Toyota Aygo |
|---|---|---|
| MOT tests analysed | 1,978,225 | 1,428,093 |
| Pass rate | 79.5% | 84.7% |
| Fail rate | 20.5% | 15.3% |
Where they differ
| Category | 500 | Aygo |
|---|---|---|
| Suspension | 10.7% | 4.0% |
| Brakes | 5.4% | 6.3% |
| Tyres | 5.2% | 4.6% |
| Visibility | 4.2% | 3.7% |
| Lighting & signalling | 7.9% | 8.3% |
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.