Triumph Stag MOT failures and reliability
In 2023 the Triumph Stag took 1,283 MOT tests in Britain and passed 80% of them first time, above the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 1,283
- First-time pass rate
- 80%
- All cars
- 71%
What the Stag fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Lights and electrics10.4% (all cars 11.3%)
- Brakes5.9% (all cars 6.8%)
- Visibility5.4% (all cars 4.8%)
- Suspension4.7% (all cars 9.0%)
- Steering4.2% (all cars 1.8%)
- Exhaust and emissions3.4% (all cars 3.1%)
- Body and structure2.2% (all cars 3.5%)
- Seat belts and airbags0.9% (all cars 1.0%)
Most common failure items
Share of tests on which each item was recorded.
- Washers: not working 2.4%
- Non catalyst emissions: emissions carbon monoxide content excessive 2.2%
- Individual direction indicators: not working 1.9%
- Service brake imbalance: across an axle 1.9%
- Position lamp: not working 1.7%
- Stop lamp: not working 1.6%
- Washers: provides insufficient washer liquid 1.4%
- Wipers: does not clear the windscreen effectively 1.3%
Most common advisories
- Engine oil leaks: leak, but not excessive 12.4%
- Wheel bearings: has slight play 8.5%
- Transmission oil leaks: leak, but not excessive 5.6%
- Non-component advisories: Play in steering rack inner joint(s) 2.9%
- Service brake performance: binding but not excessively 2.6%
- Power steering, other components: has slight seepage from a component 2.3%
- Suspension arms, pins and bushes: pin or bush worn but not resulting in excessive movement 2.3%
- Tread depth: worn close to legal limit/worn on edge 2.2%
Check a particular Stag
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.