Porsche Boxster 2013: MOT failure rate for its age
8.1% of 7,683 MOT tests of the Porsche Boxster first registered in 2013 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 97.1 (95% CI 89.5–104.7; 100 = normal for this model at that age): the 2013 build year is no different from other years of the same model at the same age.
| Measure | Value | Unit | Compared with | Years | Tests |
|---|---|---|---|---|---|
| Failed first time | 8.1 | % | all ages tested | 2019–2024 | 7683 |
| Index against this model at the same age (95% CI 89.5–104.7) | 97.1 | index | 100 = normal for this model at that age | 2019–2024 | 7683 |
| Rank among this model's 23 build years | 12 | of 23 | 1 = fails least for its age | 2019–2024 | 7683 |
| Tested in 2024 | 1274 | tests | median 41,915 miles | 2024 | 1274 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2013 Porsche Boxster fail at each age?
Cars built in 2013 were tested at ages 6 to 11 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) |
|---|---|---|---|---|---|
| 6 | 1,337 | 7 | 5.7–8.4 | 6.8 | 102.8 |
| 7 | 1,233 | 9 | 7.5–10.7 | 7.5 | 119.9 |
| 8 | 1,292 | 7.3 | 6–8.8 | 7.5 | 97.4 |
| 9 | 1,267 | 8.8 | 7.3–10.4 | 8.4 | 104 |
| 10 | 1,280 | 7.3 | 6–8.8 | 8.9 | 82 |
| 11 | 1,274 | 9.3 | 7.9–11.1 | 11 | 85.1 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 7,683 (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 2013 Porsche Boxster?
The most common failure group on cars built in 2013 is tyres: 3.6 items per 100 first tests, against 5.1 across all build years of the Porsche Boxster. These counts are not age-adjusted: cars built in 2013 were tested at ages 6 to 11.
| Failure group | Built 2013, per 100 | All build years, per 100 | Items |
|---|---|---|---|
| Tyres | 3.6 | 5.1 | 276 |
| Visibility | 2.8 | 5.1 | 217 |
| Lamps, reflectors and electrical equipment | 2.6 | 12.7 | 197 |
| Brakes | 1.5 | 8.3 | 119 |
| Suspension | 1.1 | 6.7 | 86 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 7,683 (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 2013 compare with the years around it?
Among the 23 published build years of the Porsche Boxster, 2013 ranks 12 (1 = fails least for its age). 2012: index 98.7. 2014: index 94.9.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 1998 | 104.3 | 95.7–113.0 | no different (rough estimate) | 1,820 |
| 1999 | 105.1 | 98.9–111.4 | no different (rough estimate) | 3,613 |
| 2000 | 100.7 | 96.6–104.9 | no different | 8,204 |
| 2001 | 104.1 | 100.5–107.7 | worse | 11,433 |
| 2002 | 108.6 | 105.2–112.0 | worse | 13,858 |
| 2003 | 108.4 | 105.1–111.7 | worse | 15,506 |
| 2004 | 107.6 | 103.9–111.3 | worse | 12,889 |
| 2005 | 90.8 | 87.9–93.6 | better | 20,191 |
| 2006 | 96.0 | 92.0–100.0 | no different | 11,632 |
| 2007 | 93.3 | 88.7–97.8 | better | 9,837 |
| 2008 | 92.9 | 87.0–98.8 | better | 6,647 |
| 2009 | 77.2 | 70.7–83.7 | better | 5,127 |
| 2010 | 81.4 | 74.0–88.7 | better | 4,854 |
| 2011 | 94.8 | 86.2–103.5 | no different | 4,648 |
| 2012 | 98.7 | 90.8–106.5 | no different | 6,588 |
| 2013 | 97.1 | 89.5–104.7 | no different | 7,683 |
| 2014 | 94.9 | 86.7–103.1 | no different | 7,230 |
| 2015 | 91.2 | 82.4–100.1 | no different | 6,449 |
| 2016 | 98.7 | 89.8–107.6 | no different | 7,470 |
| 2017 | 91.4 | 81.0–101.7 | no different | 5,426 |
| 2018 | 107.6 | 94.5–120.6 | no different | 4,208 |
| 2019 | 94.9 | 79.6–110.3 | no different (rough estimate) | 2,755 |
| 2020 | 109.2 | 79.8–138.6 | no different (rough estimate) | 873 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 178,941 (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). Porsche Boxster 2013 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/porsche-boxster/2013/
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
Porsche Boxster 1998 · Porsche Boxster 1999 · Porsche Boxster 2000 · Porsche Boxster 2001 · Porsche Boxster 2002 · Porsche Boxster 2003 · Porsche Boxster 2004 · Porsche Boxster 2005 · Porsche Boxster 2006 · Porsche Boxster 2007 · Porsche Boxster 2008 · Porsche Boxster 2009 · Porsche Boxster 2010 · Porsche Boxster 2011 · Porsche Boxster 2012 · Porsche Boxster 2014 · Porsche Boxster 2015 · Porsche Boxster 2016 · Porsche Boxster 2017 · Porsche Boxster 2018 · Porsche Boxster 2019 · Porsche Boxster 2020 · Porsche Boxster in the Netherlands · Porsche Boxster by postcode area · Porsche Boxster body, chassis and structure failures · Porsche Boxster brakes failures · Porsche Boxster vehicle identification failures · Porsche Boxster lamps, reflectors and electrics failures · Porsche Boxster noise, emissions and leaks failures · Porsche Boxster road wheels failures · Porsche Boxster seat belts and airbags failures · Porsche Boxster steering failures · Porsche Boxster suspension failures · Porsche Boxster tyres failures · Porsche Boxster visibility failures