Bmw 1 Series vs Vauxhall Astra
On MOT-testable defects, the Bmw 1 Series (fail rate 16.1%) performed better than the Vauxhall Astra (22.4%) across comparable years. The biggest divergence was suspension, where the Astra recorded failures more often.
16.1%
1 Series fail rate
22.4%
Astra fail rate
6.28pp
Difference
Side by side
| Metric | Bmw 1 Series | Vauxhall Astra |
|---|---|---|
| MOT tests analysed | 2,262,182 | 4,330,153 |
| Pass rate | 83.9% | 77.6% |
| Fail rate | 16.1% | 22.4% |
Where they differ
| Category | 1 Series | Astra |
|---|---|---|
| Suspension | 4.1% | 10.1% |
| Lighting & signalling | 7.6% | 10.6% |
| Brakes | 4.5% | 7.3% |
| Visibility | 3.5% | 4.5% |
| Tyres | 6.4% | 6.3% |
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.