Does the Morgan 4/4 fail the MOT on brakes more than it should?
The Morgan 4/4 records 8.72 brakes failure items per 100 initial MOT tests (2019–2024), against 19.81 expected for a car of the same age mix: less than expected for its class and age (−11.09, 95% interval −11.88 to −10.30). It ranks 669 of 712 models on brakes (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on brakes · check a Morgan 4/4 by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Morgan 4/4 is “Brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle.”, recorded 264 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle. | 264 | 2.17 |
| Significant brake effort recorded with no brake applied indicating a binding brake | 249 | 2.05 |
| Brake pedal anti-slip provision missing, loose or worn smooth | 83 | 0.68 |
| Parking brake efficiency below minimum requirement | 52 | 0.43 |
| Abnormal lag in brake operation on a wheel | 41 | 0.34 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 12,170 (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 Morgan 4/4 gets a brakes advisory, how often does it fail next time?
10.8% of Morgan 4/4 MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12.2 months and 261 miles later (564 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 564 (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
Morgan 4/4 by postcode area · Morgan 4/4 body, chassis and structure failures · Morgan 4/4 vehicle identification failures · Morgan 4/4 lamps, reflectors and electrics failures · Morgan 4/4 noise, emissions and leaks failures · Morgan 4/4 road wheels failures · Morgan 4/4 steering failures · Morgan 4/4 suspension failures · Morgan 4/4 tyres failures · Morgan 4/4 visibility failures