Does the Ford Sierra fail the MOT on seat belts and airbags more than it should?
The Ford Sierra records 2.25 seat belts and airbags failure items per 100 initial MOT tests (2019–2024), against 3.28 expected for a car of the same age mix: less than expected for its class and age (−1.03, 95% interval −1.30 to −0.76). It ranks 533 of 627 models on seat belts and airbags (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on seat belts and airbags · check a Ford Sierra by registration
What exactly fails on seat belts and airbags?
The most frequent DVSA defect wording in this group on the Ford Sierra is “The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired”, recorded 345 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired | 345 | 1.95 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 17,679 (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
Ford Sierra by postcode area · Ford Sierra body, chassis and structure failures · Ford Sierra brakes failures · Ford Sierra vehicle identification failures · Ford Sierra lamps, reflectors and electrics failures · Ford Sierra noise, emissions and leaks failures · Ford Sierra road wheels failures · Ford Sierra steering failures · Ford Sierra suspension failures · Ford Sierra tyres failures · Ford Sierra visibility failures