MOT reliability
Triumph T20sl
7 vehicles · 39 completed MOT tests analysed
95%
MOT pass rate
Based on 7 Triumph T20sl vehicles and 39 completed MOT tests, the Triumph T20sl has an overall 95% pass rate, with an average recorded mileage of 15,333 miles.
7
Vehicles
39
MOT tests
253
Avg miles / year
0.2
Faults per test
0%
Dangerous-fault share
Triumph T20sl problem areas
Where faults occur most across all Triumph T20sl MOT tests:
-
Other86%
-
Steering29%
Triumph T20sl pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 1 | 100% |
| 2 | 1 | 100% |
| 3 | 1 | 100% |
| 4 | 2 | 100% |
| 8 | 2 | 50% |
| 11 | 1 | 100% |
Fuel types: Petrol (7)
Most common Triumph T20sl MOT faults
These are the faults and advisories recorded most often across Triumph T20sl MOT tests:
- Rear suspension bearing has slight free play (2.4.A2a(i)) (2 times)
- Steering headbearing has slight free play (2.2.2) (2 times)
- Front Floor brake test indicates a sticking brake (3.3.C2c) (1 times)
- Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) (1 times)
- Front tyre not quite seated on the bead correctly (1 times)
- Front Brake locking device missing (3.2.A1e) (1 times)
Triumph T20sl pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2013 | 2 | 6 | 100% | 47,663 |
| 2002 | 1 | 4 | 75% | 330 |
| 1962 | 1 | 3 | 100% | 199 |
| 1961 | 1 | 12 | 100% | 38,962 |
| 1960 | 2 | 14 | 93% | 2,424 |
Triumph T20sl reliability FAQ
Across 7 Triumph T20sl vehicles in our MOT data,
95% pass the MOT (a 5% failure rate), with about
0.2 faults or advisories recorded per test.
The most frequently recorded Triumph T20sl MOT issues are:
Rear suspension bearing has slight free play (2.4.A2a(i)); Steering headbearing has slight free play (2.2.2); Front Floor brake test indicates a sticking brake (3.3.C2c).
The typical Triumph T20sl in our data has covered around
15,333 miles.
Compare the Triumph T20sl
See how the Triumph T20sl stacks up against other Triumph models on MOT reliability:
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