Does the Triumph Stag fail the MOT on tyres more than it should?
The Triumph Stag records 1.08 tyres failure items per 100 initial MOT tests (2019–2024), against 3.89 expected for a car of the same age mix: less than expected for its class and age (−2.81, 95% interval −3.22 to −2.40). It ranks 572 of 751 models on tyres (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on tyres · check a Triumph Stag by registration
What exactly fails on tyres?
The most frequent DVSA defect wording in this group on the Triumph Stag is “A tyre seriously damaged”, recorded 35 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A tyre seriously damaged | 35 | 0.40 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 8,805 (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
Triumph Stag by postcode area · Triumph Stag body, chassis and structure failures · Triumph Stag brakes failures · Triumph Stag lamps, reflectors and electrics failures · Triumph Stag noise, emissions and leaks failures · Triumph Stag seat belts and airbags failures · Triumph Stag steering failures · Triumph Stag suspension failures · Triumph Stag visibility failures