Does the Aston Martin DB9 fail the MOT on brakes more than it should?
The Aston Martin DB9 records 3.06 brakes failure items per 100 initial MOT tests (2019–2024), against 18.61 expected for a car of the same age mix: less than expected for its class and age (−15.55, 95% interval −16.07 to −15.03). It ranks 700 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 Aston Martin DB9 by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Aston Martin DB9 is “Significant brake effort recorded with no brake applied indicating a binding brake”, recorded 116 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Significant brake effort recorded with no brake applied indicating a binding brake | 116 | 0.44 |
| a brake lining or pad worn below 1.5mm | 92 | 0.35 |
| A brake hose ferrule excessively corroded | 67 | 0.26 |
| Parking brake efficiency below minimum requirement | 60 | 0.23 |
| Warning device shows system malfunction | 50 | 0.19 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 26,265 (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 Aston Martin DB9 gets a brakes advisory, how often does it fail next time?
4.4% of Aston Martin DB9 MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12.2 months and 1,116 miles later (2,011 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,011 (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
Aston Martin DB9 2004 · Aston Martin DB9 2005 · Aston Martin DB9 2006 · Aston Martin DB9 2007 · Aston Martin DB9 2008 · Aston Martin DB9 2009 · Aston Martin DB9 2010 · Aston Martin DB9 2011 · Aston Martin DB9 by postcode area · Aston Martin DB9 body, chassis and structure failures · Aston Martin DB9 vehicle identification failures · Aston Martin DB9 lamps, reflectors and electrics failures · Aston Martin DB9 noise, emissions and leaks failures · Aston Martin DB9 road wheels failures · Aston Martin DB9 seat belts and airbags failures · Aston Martin DB9 steering failures · Aston Martin DB9 suspension failures · Aston Martin DB9 tyres failures · Aston Martin DB9 visibility failures