Volvo C30 2011: MOT failure rate for its age
38.3% of 20,341 MOT tests of the Volvo C30 first registered in 2011 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 102.5 (95% CI 100.2–104.8; 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 | 38.3 | % | all ages tested | 2019–2024 | 20341 |
| Index against this model at the same age (95% CI 100.2–104.8) | 102.5 | index | 100 = normal for this model at that age | 2019–2024 | 20341 |
| Rank among this model's 8 build years | 7 | of 8 | 1 = fails least for its age | 2019–2024 | 20341 |
| Tested in 2024 | 3197 | tests | median 100,617 miles | 2024 | 3197 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2011 Volvo C30 fail at each age?
Cars built in 2011 were tested at ages 8 to 13 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) |
|---|---|---|---|---|---|
| 8 | 3,600 | 34.6 | 33.1–36.2 | 36.2 | 95.6 |
| 9 | 3,383 | 36.9 | 35.3–38.6 | 35.9 | 102.9 |
| 10 | 3,449 | 37.8 | 36.1–39.4 | 36.1 | 104.6 |
| 11 | 3,379 | 40.5 | 38.9–42.2 | 37.8 | 107.2 |
| 12 | 3,333 | 39.5 | 37.8–41.2 | 38.5 | 102.5 |
| 13 | 3,197 | 40.6 | 38.9–42.3 | 39.7 | 102.3 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 20,341 (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 2011 Volvo C30?
The most common failure group on cars built in 2011 is lamps, reflectors and electrical equipment: 35.6 items per 100 first tests, against 33.4 across all build years of the Volvo C30. These counts are not age-adjusted: cars built in 2011 were tested at ages 8 to 13.
| Failure group | Built 2011, per 100 | All build years, per 100 | Items |
|---|---|---|---|
| Lamps, reflectors and electrical equipment | 35.6 | 33.4 | 7,244 |
| Suspension | 17.4 | 21.9 | 3,536 |
| Body, chassis, structure | 13.4 | 9.5 | 2,735 |
| Tyres | 12.8 | 13.2 | 2,600 |
| Brakes | 10.6 | 11.7 | 2,152 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 20,341 (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 2011 compare with the years around it?
Among the 8 published build years of the Volvo C30, 2011 ranks 7 (1 = fails least for its age). 2010: index 99.8. 2012: index 93.2.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 2006 | 91.9 | 81.8–102.1 | no different (rough estimate) | 787 |
| 2007 | 98.1 | 95.8–100.4 | no different | 16,659 |
| 2008 | 105.3 | 103.2–107.3 | worse | 22,558 |
| 2009 | 100.5 | 98.9–102.1 | no different | 35,981 |
| 2010 | 99.8 | 98.1–101.5 | no different | 33,693 |
| 2011 | 102.5 | 100.2–104.8 | worse | 20,341 |
| 2012 | 93.2 | 90.8–95.6 | better | 18,154 |
| 2013 | 91.9 | 87.7–96.1 | better | 6,069 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 154,242 (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). Volvo C30 2011 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/volvo-c30/2011/
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
Volvo C30 2006 · Volvo C30 2007 · Volvo C30 2008 · Volvo C30 2009 · Volvo C30 2010 · Volvo C30 2012 · Volvo C30 2013 · Volvo C30 in Norway · Volvo C30 in Finland · Volvo C30 in the Netherlands · Volvo C30 by postcode area · Volvo C30 body, chassis and structure failures · Volvo C30 brakes failures · Volvo C30 vehicle identification failures · Volvo C30 lamps, reflectors and electrics failures · Volvo C30 noise, emissions and leaks failures · Volvo C30 road wheels failures · Volvo C30 seat belts and airbags failures · Volvo C30 steering failures · Volvo C30 suspension failures · Volvo C30 tyres failures · Volvo C30 visibility failures