Kia Rio: lighting & signalling MOT failures
Lighting & signalling was recorded as a failure area in 8.6% of Kia Rio MOT tests — 51,512 tests out of 598,282. It shows up most on 2004 and 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 |
|---|---|---|
| 2002 | 869 | 10.5% |
| 2003 | 1,639 | 15.6% |
| 2004 | 2,733 | 17.1% |
| 2005 | 4,533 | 15.5% |
| 2006 | 7,842 | 16.7% |
| 2007 | 9,503 | 16.3% |
| 2008 | 15,633 | 15.8% |
| 2009 | 34,496 | 13.7% |
| 2010 | 42,806 | 11.7% |
| 2011 | 47,223 | 12.7% |
| 2012 | 59,063 | 11.5% |
| 2013 | 63,785 | 10.8% |
| 2014 | 68,234 | 8.5% |
| 2015 | 66,689 | 5.4% |
| 2016 | 51,025 | 5.3% |
| 2017 | 45,143 | 3.3% |
| 2018 | 31,225 | 2.5% |
| 2019 | 21,324 | 2.3% |
| 2020 | 11,109 | 1.9% |
| 2021 | 7,820 | 2.1% |
| 2022 | 5,153 | 1.9% |
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.