Does the Vauxhall Signum fail the MOT on suspension more than it should?
The Vauxhall Signum records 35.54 suspension failure items per 100 initial MOT tests (2019–2024), against 30.44 expected for a car of the same age mix: more than expected for its class and age (+5.10, 95% interval +4.21 to +6.00). It ranks 121 of 701 models on suspension (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on suspension · check a Vauxhall Signum by registration
What exactly fails on suspension?
The most frequent DVSA defect wording in this group on the Vauxhall Signum is “A suspension pin, bush or joint excessively worn”, recorded 2,186 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A suspension pin, bush or joint excessively worn | 2,186 | 12.84 |
| A spring or spring component fractured or seriously weakened | 1,734 | 10.18 |
| A suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 647 | 3.80 |
| A suspension joint dust cover severely deteriorated | 578 | 3.39 |
| A shock absorber damaged to the extent that it does not function or showing signs of severe leakage | 453 | 2.66 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 17,028 (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 Vauxhall Signum gets a suspension advisory, how often does it fail next time?
25.6% of Vauxhall Signum MOTs with a suspension advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 5,398 miles later (2,912 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,912 (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
Vauxhall Signum 2003 · Vauxhall Signum 2004 · Vauxhall Signum 2005 · Vauxhall Signum 2006 · Vauxhall Signum 2007 · Vauxhall Signum by postcode area · Vauxhall Signum body, chassis and structure failures · Vauxhall Signum brakes failures · Vauxhall Signum vehicle identification failures · Vauxhall Signum lamps, reflectors and electrics failures · Vauxhall Signum noise, emissions and leaks failures · Vauxhall Signum road wheels failures · Vauxhall Signum seat belts and airbags failures · Vauxhall Signum steering failures · Vauxhall Signum tyres failures · Vauxhall Signum visibility failures