MOT reliability
Triumph 3a
1 vehicles · 14 completed MOT tests analysed
93%
MOT pass rate
Based on 1 Triumph 3a vehicles and 14 completed MOT tests, the Triumph 3a has an overall 93% pass rate, with an average recorded mileage of 19,893 miles.
1
Vehicles
14
MOT tests
543
Avg miles / year
0.6
Faults per test
0%
Dangerous-fault share
Triumph 3a problem areas
Where faults occur most across all Triumph 3a MOT tests:
-
Emissions & nuisance75%
-
Brakes12%
-
Tyres, wheels & suspension12%
Triumph 3a pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 14 | 1 | 100% |
| 15 | 1 | 100% |
| 16 | 1 | 100% |
| 17 | 1 | 100% |
| 18 | 1 | 100% |
| 19 | 1 | 100% |
| 20 | 1 | 100% |
Fuel types: Petrol (1)
Most common Triumph 3a MOT faults
These are the faults and advisories recorded most often across Triumph 3a MOT tests:
- Oil leak, but not excessive from engine (8.4.1 (a) (i)) (1 times)
- Oil leak, but not excessive from gearbox (8.4.1 (a) (i)) (1 times)
- Oil leak, but not excessive from rear diff (8.4.1 (a) (i)) (1 times)
- Oil leak, but not excessive engine (8.4.1 (a) (i)) (1 times)
- Oil leak, but not excessive gearbox (8.4.1 (a) (i)) (1 times)
- Oil leak, but not excessive rear diff (8.4.1 (a) (i)) (1 times)
- Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i)) (1 times)
- Rear Wheel bearing slightly noisy both rears (5.1.3 (b) (i)) (1 times)
Triumph 3a pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1992 | 1 | 14 | 93% | 19,893 |
Triumph 3a reliability FAQ
Across 1 Triumph 3a vehicles in our MOT data,
93% pass the MOT (a 7% failure rate), with about
0.6 faults or advisories recorded per test.
The most frequently recorded Triumph 3a MOT issues are:
Oil leak, but not excessive from engine (8.4.1 (a) (i)); Oil leak, but not excessive from gearbox (8.4.1 (a) (i)); Oil leak, but not excessive from rear diff (8.4.1 (a) (i)).
The typical Triumph 3a in our data has covered around
19,893 miles.
Compare the Triumph 3a
See how the Triumph 3a stacks up against other Triumph models on MOT reliability:
Check a specific Triumph 3a
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