Does the Triumph Stag fail the MOT on visibility more than it should?
The Triumph Stag records 8.11 visibility failure items per 100 initial MOT tests (2019–2024), against 10.63 expected for a car of the same age mix: less than expected for its class and age (−2.52, 95% interval −3.20 to −1.84). It ranks 577 of 746 models on visibility (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on visibility · check a Triumph Stag by registration
What exactly fails on visibility?
The most frequent DVSA defect wording in this group on the Triumph Stag is “Windscreen washers not working or not providing sufficient fluid to clear the windscreen”, recorded 355 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Windscreen washers not working or not providing sufficient fluid to clear the windscreen | 355 | 4.03 |
| Wiper blade missing or obviously not clearing the windscreen | 132 | 1.50 |
| Wiper blade defective | 94 | 1.07 |
| Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view | 59 | 0.67 |
| Wiper not operating or missing | 45 | 0.51 |
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 tyres failures