Does the MG 3 fail the MOT on body, chassis and structure more than it should?
The MG 3 records 0.75 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 1.08 expected for a car of the same age mix: about as expected for its class and age (the difference is within its interval or under 0.5 items per 100 tests) (−0.33, 95% interval −0.40 to −0.26). It ranks 313 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 MG 3 by registration
What exactly fails on body, chassis and structure?
The most frequent DVSA defect wording in this group on the MG 3 is “Fuel system leaking excessively or a risk of fire”, recorded 167 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Fuel system leaking excessively or a risk of fire | 167 | 0.19 |
| A transmission shaft constant velocity joint boot severely deteriorated | 152 | 0.17 |
| A door will not open using the relevant control or close properly | 90 | 0.10 |
| A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 68 | 0.08 |
| Bumper insecure or with damage likely to cause injury when grazed or contacted | 46 | 0.05 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 88,117 (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
Other pages for this model
MG 3 2013 · MG 3 2014 · MG 3 2015 · MG 3 2016 · MG 3 2017 · MG 3 2018 · MG 3 2019 · MG 3 2020 · MG 3 by postcode area · MG 3 brakes failures · MG 3 vehicle identification failures · MG 3 lamps, reflectors and electrics failures · MG 3 noise, emissions and leaks failures · MG 3 road wheels failures · MG 3 seat belts and airbags failures · MG 3 steering failures · MG 3 suspension failures · MG 3 tyres failures · MG 3 visibility failures