Does the Vauxhall Signum fail the MOT on vehicle identification more than it should?
The Vauxhall Signum records 0.83 vehicle identification failure items per 100 initial MOT tests (2019–2024), against 0.61 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) (+0.22, 95% interval +0.09 to +0.36). It ranks 132 of 636 models on vehicle identification (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on vehicle identification · check a Vauxhall Signum by registration
What exactly fails on vehicle identification?
The most frequent DVSA defect wording in this group on the Vauxhall Signum is “Number plate inscription missing or illegible”, recorded 86 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Number plate inscription missing or illegible | 86 | 0.51 |
| Number plate does not conform to the specified requirements | 42 | 0.25 |
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 vehicle identification advisory, how often does it fail next time?
5.1% of Vauxhall Signum MOTs with a vehicle identification advisory were followed by a fail in the same group at the next MOT, typically 12.2 months and 7,368 miles later (630 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 630 (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 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 suspension failures · Vauxhall Signum tyres failures · Vauxhall Signum visibility failures