MOT reliability
Triumph 3t twenty one
1 vehicles · 5 completed MOT tests analysed
100%
MOT pass rate
Based on 1 Triumph 3t twenty one vehicles and 5 completed MOT tests, the Triumph 3t twenty one has an overall 100% pass rate, with an average recorded mileage of 2,041 miles.
1
Vehicles
5
MOT tests
6
Avg miles / year
0.6
Faults per test
0%
Dangerous-fault share
Triumph 3t twenty one problem areas
Where faults occur most across all Triumph 3t twenty one MOT tests:
-
Other100%
-
Steering33%
Fuel types: Petrol (1)
Most common Triumph 3t twenty one MOT faults
These are the faults and advisories recorded most often across Triumph 3t twenty one MOT tests:
- HEAD LIGHT SWITCH POOR WORKING (1 times)
- Offside Rear Lower Rear suspension bush deteriorated but not excessively (2.4.A2a(i)) (1 times)
- Rear Rear suspension bearing has slight free play (2.4.A2a(i)) (1 times)
- Steering headbearing has slight free play (2.2.2) (1 times)
Triumph 3t twenty one pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1959 | 1 | 5 | 100% | 2,041 |
Triumph 3t twenty one reliability FAQ
Across 1 Triumph 3t twenty one vehicles in our MOT data,
100% pass the MOT (a 0% failure rate), with about
0.6 faults or advisories recorded per test.
The most frequently recorded Triumph 3t twenty one MOT issues are:
HEAD LIGHT SWITCH POOR WORKING; Offside Rear Lower Rear suspension bush deteriorated but not excessively (2.4.A2a(i)); Rear Rear suspension bearing has slight free play (2.4.A2a(i)).
The typical Triumph 3t twenty one in our data has covered around
2,041 miles.
Compare the Triumph 3t twenty one
See how the Triumph 3t twenty one stacks up against other Triumph models on MOT reliability:
Check a specific Triumph 3t twenty one
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