Vauxhall Vectra: lighting & signalling MOT failures
Of the 274,125 Vauxhall Vectra MOT tests in this dataset, 14.0% recorded at least one lighting & signalling failure. It shows up most on 2004 and 2005 cars.
Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair cost: £10–£150 (rough UK ballpark, not a quote).
Lighting & signalling failures by year
| Model year | Tests | Fail rate |
|---|---|---|
| 1997 | 799 | 11.3% |
| 1998 | 1,426 | 12.8% |
| 1999 | 2,235 | 14.3% |
| 2000 | 3,414 | 13.1% |
| 2001 | 5,110 | 13.8% |
| 2002 | 5,325 | 13.8% |
| 2003 | 7,216 | 13.2% |
| 2004 | 13,165 | 15.4% |
| 2005 | 21,529 | 16.0% |
| 2006 | 43,035 | 14.7% |
| 2007 | 73,901 | 14.2% |
| 2008 | 82,490 | 13.1% |
| 2009 | 14,035 | 12.8% |
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.