Vauxhall Astra: emissions & environmental MOT failures
Emissions & environmental was a recorded failure area in 4.2% of Vauxhall Astra MOT tests in this dataset. It is most prominent on 1999, 2005 cars.
More common on older diesels (DPF/EGR) — can be expensive; check for warning lights and smoke. Typical repair cost: £100–£600 (rough UK ballpark, not a quote).
Emissions & environmental failures by year
| Model year | Tests | Fail rate |
|---|---|---|
| 1999 | 9,996 | 10.5% |
| 2002 | 50,296 | 6.6% |
| 2004 | 74,445 | 8.5% |
| 2005 | 137,997 | 8.7% |
| 2006 | 198,646 | 7.9% |
| 2017 | 263,114 | 1.2% |
| 2018 | 169,005 | 1.3% |
| 2019 | 95,043 | 1.2% |
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.