Hyundai i30 2015: MOT failure rate for its age
24.5% of 83,667 MOT tests of the Hyundai i30 first registered in 2015 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 96.8 (95% CI 95.5–98.2; 100 = normal for this model at that age): close to other build years of the same model at the same age (within 5 points of normal).
| Measure | Value | Unit | Compared with | Years | Tests |
|---|---|---|---|---|---|
| Failed first time | 24.5 | % | all ages tested | 2019–2024 | 83667 |
| Index against this model at the same age (95% CI 95.5–98.2) | 96.8 | index | 100 = normal for this model at that age | 2019–2024 | 83667 |
| Rank among this model's 14 build years | 4 | of 14 | 1 = fails least for its age | 2019–2024 | 83667 |
| Tested in 2024 | 13678 | tests | median 69,883 miles | 2024 | 13678 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2015 Hyundai i30 fail at each age?
Cars built in 2015 were tested at ages 4 to 9 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) |
|---|---|---|---|---|---|
| 4 | 14,550 | 17.1 | 16.5–17.7 | 16.8 | 101.6 |
| 5 | 13,779 | 22 | 21.3–22.7 | 19.2 | 114.8 |
| 6 | 13,902 | 23.3 | 22.6–24 | 22.3 | 104.3 |
| 7 | 13,915 | 25.7 | 25–26.4 | 26.5 | 97.1 |
| 8 | 13,843 | 28.4 | 27.6–29.1 | 31.7 | 89.4 |
| 9 | 13,678 | 31.1 | 30.4–31.9 | 35.9 | 86.6 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 83,667 (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 2015 Hyundai i30?
The most common failure group on cars built in 2015 is brakes: 12.8 items per 100 first tests, against 18.3 across all build years of the Hyundai i30. These counts are not age-adjusted: cars built in 2015 were tested at ages 4 to 9.
| Failure group | Built 2015, per 100 | All build years, per 100 | Items |
|---|---|---|---|
| Brakes | 12.8 | 18.3 | 10,721 |
| Tyres | 9.8 | 9.7 | 8,178 |
| Lamps, reflectors and electrical equipment | 9 | 18 | 7,549 |
| Visibility | 6.3 | 8 | 5,256 |
| Suspension | 3.2 | 12.9 | 2,649 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 83,667 (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 2015 compare with the years around it?
Among the 14 published build years of the Hyundai i30, 2015 ranks 4 (1 = fails least for its age). 2014: index 100.8. 2016: index 100.8.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 2007 | 99.1 | 95.6–102.7 | no different | 6,447 |
| 2008 | 102.3 | 100.2–104.5 | worse | 18,622 |
| 2009 | 97.5 | 96.3–98.7 | better | 60,243 |
| 2010 | 103.8 | 102.6–104.9 | worse | 68,362 |
| 2011 | 104.2 | 102.9–105.5 | worse | 58,125 |
| 2012 | 105.0 | 103.6–106.4 | worse | 55,352 |
| 2013 | 106.0 | 104.6–107.4 | worse | 65,134 |
| 2014 | 100.8 | 99.3–102.3 | no different | 60,205 |
| 2015 | 96.8 | 95.5–98.2 | better | 83,667 |
| 2016 | 100.8 | 99.0–102.6 | no different | 58,852 |
| 2017 | 81.8 | 79.6–83.9 | better | 36,528 |
| 2018 | 82.7 | 80.2–85.3 | better | 29,873 |
| 2019 | 82.1 | 78.0–86.2 | better | 12,537 |
| 2020 | 101.4 | 91.6–111.3 | no different (rough estimate) | 3,118 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 617,065 (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). Hyundai i30 2015 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/hyundai-i30/2015/
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
Hyundai i30 2007 · Hyundai i30 2008 · Hyundai i30 2009 · Hyundai i30 2010 · Hyundai i30 2011 · Hyundai i30 2012 · Hyundai i30 2013 · Hyundai i30 2014 · Hyundai i30 2016 · Hyundai i30 2017 · Hyundai i30 2018 · Hyundai i30 2019 · Hyundai i30 2020 · Hyundai i30 in Norway · Hyundai i30 in Finland · Hyundai i30 by postcode area · Hyundai i30 body, chassis and structure failures · Hyundai i30 brakes failures · Hyundai i30 vehicle identification failures · Hyundai i30 lamps, reflectors and electrics failures · Hyundai i30 noise, emissions and leaks failures · Hyundai i30 road wheels failures · Hyundai i30 seat belts and airbags failures · Hyundai i30 steering failures · Hyundai i30 suspension failures · Hyundai i30 tyres failures · Hyundai i30 visibility failures