Does the Daihatsu Copen fail the MOT on body, chassis and structure more than it should?
The Daihatsu Copen records 10.90 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 12.20 expected for a car of the same age mix: less than expected for its class and age (−1.30, 95% interval −2.04 to −0.56). It ranks 413 of 663 models on body, chassis and structure (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a Daihatsu Copen by registration
What exactly fails on body, chassis and structure?
The most frequent DVSA defect wording in this group on the Daihatsu Copen is “Vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced”, recorded 302 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced | 302 | 3.50 |
| Exhaust system leaking or insecure | 236 | 2.73 |
| Body, cab or chassis excessively corroded at a mounting point | 221 | 2.56 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 8,632 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Daihatsu Copen gets a body, chassis and structure advisory, how often does it fail next time?
16.1% of Daihatsu Copen MOTs with a body, chassis and structure advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 1,924 miles later (553 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 553 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Daihatsu Copen by postcode area · Daihatsu Copen brakes failures · Daihatsu Copen vehicle identification failures · Daihatsu Copen lamps, reflectors and electrics failures · Daihatsu Copen noise, emissions and leaks failures · Daihatsu Copen seat belts and airbags failures · Daihatsu Copen steering failures · Daihatsu Copen suspension failures · Daihatsu Copen tyres failures · Daihatsu Copen visibility failures