Saab 9'3: lighting & signalling MOT failures
Of the 277,322 Saab 9'3 MOT tests in this dataset, 10.5% recorded at least one lighting & signalling failure. It shows up most on 2003 and 2004 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 |
|---|---|---|
| 1998 | 2,219 | 13.3% |
| 1999 | 3,906 | 12.3% |
| 2000 | 5,031 | 11.8% |
| 2001 | 5,664 | 10.3% |
| 2002 | 6,228 | 12.6% |
| 2003 | 7,537 | 16.0% |
| 2004 | 18,089 | 16.4% |
| 2005 | 27,775 | 15.6% |
| 2006 | 42,867 | 12.5% |
| 2007 | 51,939 | 10.6% |
| 2008 | 42,767 | 7.6% |
| 2009 | 25,404 | 6.6% |
| 2010 | 22,138 | 5.4% |
| 2011 | 14,571 | 5.6% |
| 2012 | 1,051 | 4.6% |
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.