Skoda Octavia vs Vauxhall Astra
On MOT-testable defects the Skoda Octavia comes out ahead: 16.7% of its tests record a failure against 22.3% for the Vauxhall Astra, a 5.6-point gap. The biggest single difference is visibility, where the Astra records failures noticeably more often.
16.7%
Octavia fail rate
22.3%
Astra fail rate
5.58pp
Difference
Side by side
| Metric | Skoda Octavia | Vauxhall Astra |
|---|---|---|
| MOT tests analysed | 1,198,834 | 4,357,149 |
| Pass rate | 83.3% | 77.7% |
| Fail rate | 16.7% | 22.3% |
Where they differ
| Category | Octavia | Astra |
|---|---|---|
| Visibility | 0.0% | 4.5% |
| Lighting & signalling | 7.3% | 10.6% |
| Suspension | 7.2% | 10.0% |
| Brakes | 4.5% | 7.3% |
| Emissions & environmental | 2.4% | 0.0% |
| Tyres | 5.3% | 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.