RegVerdict Model Intelligence
Triumph Stag reliability
MOT pass rates & common faults·1,373 DVSA tests·2024
Across 1,373 real DVSA MOT tests in 2024, 80% of Triumph Stag cars aged 13 years and older pass their MOT first time, ahead of the 61% average for all cars of that age. It holds up especially well on tyres and identification.
80%
Strong for its agepass first time (13 years and older)
Strong for its age · beats 85% of peers
+19 pts
MOT pass rate by age
13 years and older
1,373 tests · fleet 61%
80%
Where the Stag fails
Suspension97
Brakes96
Body & structure98
Steering98
Tyres100
Lights & electrics93
Holds up better on tyres, identification, suspension.
Share of 13 years and older Triumph Stag MOTs with no fault in each area; the marker shows the fleet average. OGL v3.0.
How it tends to age
How the Triumph Stag tends to age
The MOT areas flagged most often on Triumph Stag models 13 years and older. It is the model’s typical pattern across millions of tests, not a forecast for this specific car.
- Lights & electrics · flagged on ~7% of MOTs
- Brakes · flagged on ~4% of MOTs
Common questions
Is the Triumph Stag reliable?
On 2024 MOT data the Triumph Stag holds up well for its age: 80% of examples aged 13 years and older pass first time, against a 61% fleet average. That puts it ahead of 85% of similar-age models.
What is the MOT pass rate for a Triumph Stag?
First-time MOT pass rates for the Triumph Stag in 2024: 13 years and older, 80%. Pass rates fall with age across the whole fleet, so compare each figure with cars of the same age, not with a new car.
What commonly fails on a Triumph Stag MOT?
No single area stands out as a recurring weakness for the Triumph Stag versus other cars of the same age. Its MOT failures are spread across the usual wear items (tyres, brakes, lamps).
Other Triumph models
Check a Triumph Stag’s full history