MOT reliability
Triumph 3ta 21
3 vehicles · 24 completed MOT tests analysed
96%
MOT pass rate
Based on 3 Triumph 3ta 21 vehicles and 24 completed MOT tests, the Triumph 3ta 21 has an overall 96% pass rate, with an average recorded mileage of 23,681 miles.
3
Vehicles
24
MOT tests
121
Avg miles / year
Fuel types: Petrol (3)
Most common Triumph 3ta 21 MOT faults
These are the faults and advisories recorded most often across Triumph 3ta 21 MOT tests:
- Headlamp aim too high (1.6) (1 times)
Triumph 3ta 21 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1966 | 1 | 9 | 89% | 7,059 |
| 1964 | 1 | 12 | 100% | 50,089 |
| 1960 | 1 | 3 | 100% | 13,896 |
Triumph 3ta 21 reliability FAQ
Across 3 Triumph 3ta 21 vehicles in our MOT data,
96% pass the MOT (a 4% failure rate), with about
0 faults or advisories recorded per test.
The most frequently recorded Triumph 3ta 21 MOT issues are:
Headlamp aim too high (1.6).
The typical Triumph 3ta 21 in our data has covered around
23,681 miles.
Compare the Triumph 3ta 21
See how the Triumph 3ta 21 stacks up against other Triumph models on MOT reliability:
Check a specific Triumph 3ta 21
Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.
See all Triumph models · Learn about common MOT failures · what an MOT checks