Kia Rio 2012: MOT failure rate for its age
36.1% of 56,743 MOT tests of the Kia Rio first registered in 2012 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 105.9 (95% CI 104.4–107.3; 100 = normal for this model at that age): the 2012 Kia Rio fails more often than other build years of the same model at the same age.
| Measure | Value | Unit | Compared with | Years | Tests |
|---|---|---|---|---|---|
| Failed first time | 36.1 | % | all ages tested | 2019–2024 | 56743 |
| Index against this model at the same age (95% CI 104.4–107.3) | 105.9 | index | 100 = normal for this model at that age | 2019–2024 | 56743 |
| Rank among this model's 19 build years | 17 | of 19 | 1 = fails least for its age | 2019–2024 | 56743 |
| Tested in 2024 | 8970 | tests | median 81,439 miles | 2024 | 8970 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2012 Kia Rio fail at each age?
Cars built in 2012 were tested at ages 7 to 12 between 2019 and 2024. Each row compares their first-time failure share with what this model normally shows at that age, after allowing for the overall failure level of each test year.
| Age | Tests | Failed, % | 95% interval | Normal for this model at that age, % | Index (100 = normal) |
|---|---|---|---|---|---|
| 7 | 10,056 | 32.1 | 31.2–33 | 26.8 | 119.9 |
| 8 | 9,459 | 33.5 | 32.6–34.5 | 28.7 | 116.5 |
| 9 | 9,538 | 34.5 | 33.6–35.5 | 32.5 | 106.3 |
| 10 | 9,439 | 37.3 | 36.3–38.3 | 36.5 | 102.2 |
| 11 | 9,281 | 38.8 | 37.8–39.8 | 39.4 | 98.5 |
| 12 | 8,970 | 41.3 | 40.2–42.3 | 41.9 | 98.4 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 56,743 (initial tests) · Method: normal rate = this model's first-time failure share at that age across its build years (cells of 400+ tests), adjusted for each test year's overall level; cells of 30+ tests, under 500 marked rough · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
What fails most on the 2012 Kia Rio?
The most common failure group on cars built in 2012 is suspension: 25.8 items per 100 first tests, against 14.1 across all build years of the Kia Rio. These counts are not age-adjusted: cars built in 2012 were tested at ages 7 to 12.
| Failure group | Built 2012, per 100 | All build years, per 100 | Items |
|---|---|---|---|
| Suspension | 25.8 | 14.1 | 14,621 |
| Lamps, reflectors and electrical equipment | 22 | 15.2 | 12,488 |
| Brakes | 17.1 | 12.9 | 9,725 |
| Tyres | 9.6 | 9.1 | 5,434 |
| Visibility | 9.6 | 9.7 | 5,429 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 56,743 (initial tests of this build year) · Method: failure items grouped by DVSA's top-level defect groups, per 100 initial tests; groups with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
How does 2012 compare with the years around it?
Among the 19 published build years of the Kia Rio, 2012 ranks 17 (1 = fails least for its age). 2011: index 106.8. 2013: index 107.8.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 2002 | 92.8 | 83.9–101.6 | no different (rough estimate) | 880 |
| 2003 | 101.9 | 95.9–107.8 | no different (rough estimate) | 2,141 |
| 2004 | 101.2 | 96.7–105.7 | no different (rough estimate) | 3,833 |
| 2005 | 102.6 | 98.9–106.2 | no different | 6,028 |
| 2006 | 102.9 | 99.9–105.8 | no different | 9,424 |
| 2007 | 103.6 | 100.8–106.4 | worse | 10,651 |
| 2008 | 104.7 | 102.4–107.0 | worse | 16,544 |
| 2009 | 100.2 | 98.6–101.8 | no different | 34,765 |
| 2010 | 102.0 | 100.5–103.5 | worse | 41,708 |
| 2011 | 106.8 | 105.2–108.4 | worse | 44,891 |
| 2012 | 105.9 | 104.4–107.3 | worse | 56,743 |
| 2013 | 107.8 | 106.3–109.3 | worse | 61,758 |
| 2014 | 101.3 | 99.8–102.7 | no different | 67,438 |
| 2015 | 88.7 | 87.3–90.2 | better | 68,841 |
| 2016 | 96.3 | 94.3–98.2 | better | 53,554 |
| 2017 | 82.9 | 80.7–85.0 | better | 42,255 |
| 2018 | 83.2 | 80.1–86.2 | better | 23,017 |
| 2019 | 88.7 | 84.5–92.9 | better | 14,644 |
| 2020 | 98.2 | 91.2–105.2 | no different | 6,764 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 565,879 (initial tests) · Method: observed failures against those expected for the same model at the same ages, test-year level adjusted; verdict follows the printed one-decimal bound · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
How to cite this page
MOT Risk Index (2026). Kia Rio 2012 MOT statistics (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 30 September 2026. motriskindex.co.uk/cars/kia-rio/2012/
How every figure is calculated: methodology. Age, test year and build year are tied together (age = test year − build year), so the test-year level is taken as observed, not estimated.
Other pages for this model
Kia Rio 2002 · Kia Rio 2003 · Kia Rio 2004 · Kia Rio 2005 · Kia Rio 2006 · Kia Rio 2007 · Kia Rio 2008 · Kia Rio 2009 · Kia Rio 2010 · Kia Rio 2011 · Kia Rio 2013 · Kia Rio 2014 · Kia Rio 2015 · Kia Rio 2016 · Kia Rio 2017 · Kia Rio 2018 · Kia Rio 2019 · Kia Rio 2020 · Kia Rio in Norway · Kia Rio in Finland · Kia Rio in the Netherlands · Kia Rio by postcode area · Kia Rio body, chassis and structure failures · Kia Rio brakes failures · Kia Rio vehicle identification failures · Kia Rio lamps, reflectors and electrics failures · Kia Rio noise, emissions and leaks failures · Kia Rio road wheels failures · Kia Rio seat belts and airbags failures · Kia Rio steering failures · Kia Rio suspension failures · Kia Rio tyres failures · Kia Rio visibility failures