BMW 1 Series vs Vauxhall Astra
On MOT-testable defects the BMW 1 Series comes out ahead: 16.0% of its tests record a failure against 22.3% for the Vauxhall Astra, a 6.3-point gap. The biggest single difference is suspension, where the Astra records failures noticeably more often.
16.0%
1 Series fail rate
22.3%
Astra fail rate
6.29pp
Difference
Side by side
| Metric | BMW 1 Series | Vauxhall Astra |
|---|---|---|
| MOT tests analysed | 2,288,981 | 4,357,149 |
| Pass rate | 84.0% | 77.7% |
| Fail rate | 16.0% | 22.3% |
Where they differ
| Category | 1 Series | Astra |
|---|---|---|
| Suspension | 4.1% | 10.0% |
| Lighting & signalling | 7.6% | 10.6% |
| Brakes | 4.5% | 7.3% |
| Visibility | 3.5% | 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.