Audi A3 vs Vauxhall Astra
The Audi A3 has the better MOT record of the two — 17.3% fail rate versus 22.3% for the Vauxhall Astra across comparable years. The biggest single difference is lighting & signalling, where the Astra records failures noticeably more often.
17.3%
A3 fail rate
22.3%
Astra fail rate
4.94pp
Difference
Side by side
| Metric | Audi A3 | Vauxhall Astra |
|---|---|---|
| MOT tests analysed | 2,507,563 | 4,357,149 |
| Pass rate | 82.7% | 77.7% |
| Fail rate | 17.3% | 22.3% |
Where they differ
| Category | A3 | Astra |
|---|---|---|
| Lighting & signalling | 6.8% | 10.6% |
| Suspension | 7.2% | 10.0% |
| Brakes | 4.5% | 7.3% |
| Visibility | 2.6% | 4.5% |
| Tyres | 6.3% | 6.2% |
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.