Kia Rio: lighting & signalling MOT failures
Lighting & signalling was a recorded failure area in 8.7% of Kia Rio MOT tests in this dataset. It is most prominent on 2004, 2006 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 |
|---|---|---|
| 2004 | 2,725 | 17.1% |
| 2005 | 4,533 | 15.5% |
| 2006 | 7,842 | 16.7% |
| 2007 | 9,503 | 16.3% |
| 2008 | 15,633 | 15.8% |
| 2009 | 34,483 | 13.7% |
| 2010 | 42,796 | 11.7% |
| 2014 | 68,227 | 8.5% |
| 2016 | 51,019 | 5.3% |
| 2017 | 45,137 | 3.3% |
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.