MOT reliability
Triumph Thunder bird
29 vehicles · 205 completed MOT tests analysed
85%
MOT pass rate
Based on 29 Triumph Thunder bird vehicles and 205 completed MOT tests, the Triumph Thunder bird has an overall 85% pass rate, with an average recorded mileage of 30,011 miles.
29
Vehicles
205
MOT tests
988
Avg miles / year
0.4
Faults per test
1%
Dangerous-fault share
Triumph Thunder bird problem areas
Where faults occur most across all Triumph Thunder bird MOT tests:
-
Other73%
-
Steering23%
-
Tyres, wheels & suspension16%
-
Brakes11%
-
Lamps & electrical3%
-
Seatbelts & equipment3%
Triumph Thunder bird pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 2 | 50% |
| 2 | 2 | 50% |
| 3 | 3 | 67% |
| 4 | 2 | 50% |
| 6 | 2 | 100% |
| 7 | 2 | 100% |
| 8 | 3 | 100% |
| 9 | 6 | 100% |
| 10 | 7 | 86% |
| 11 | 12 | 83% |
| 12 | 8 | 100% |
| 13 | 11 | 73% |
| 14 | 10 | 80% |
| 15 | 10 | 90% |
| 16 | 11 | 91% |
| 17 | 9 | 89% |
| 18 | 9 | 78% |
| 19 | 8 | 88% |
| 20 | 8 | 88% |
Fuel types: Petrol (29)
Most common Triumph Thunder bird MOT faults
These are the faults and advisories recorded most often across Triumph Thunder bird MOT tests:
- Front Brake pad(s) close to minimum limit (3.2.A1f(i)) (4 times)
- Front Tyre worn close to the legal limit (4.1.3(ii)) (3 times)
- Nearside Front Front shock absorber has light misting of stanchion (2.3.3) (3 times)
- Steering headbearing has slight free play (2.2.2) (3 times)
- Front Tyre worn close to the legal limit (5.2.3 (e)) (3 times)
- slight crack in number plate (2 times)
- Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) (2 times)
- Front Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii)) (2 times)
- Nearside Front shock absorber has light misting of stanchion (2.3.3) (2 times)
- Centre Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) (2 times)
- Drive chain slightly tight (6.2.1d) (2 times)
- Nearside Front Shock absorber has a light misting of oil (5.3.2 (b)) (2 times)
- Stop lamp does not illuminate immediately a brake applies (1.3.1a) (2 times)
- Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) (2 times)
- Wheel alignment slightly misaligned. (2.5.1) (2 times)
Triumph Thunder bird pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2009 | 1 | 19 | 79% | 39,392 |
| 2008 | 1 | 7 | 57% | 232,913 |
| 2000 | 1 | 4 | 100% | 70,029 |
| 1997 | 3 | 38 | 84% | 13,801 |
| 1996 | 5 | 38 | 95% | 15,481 |
| 1995 | 4 | 61 | 84% | 21,033 |
| 1990 | 1 | 3 | 100% | 3,454 |
| 1980 | 1 | 1 | 100% | 35 |
| 1965 | 1 | 1 | 100% | 11,544 |
| 1963 | 1 | 2 | 100% | 26,751 |
| 1961 | 3 | 10 | 100% | 21,246 |
| 1960 | 2 | 9 | 67% | 29,567 |
| 1958 | 2 | 3 | 100% | 19,015 |
| 1956 | 1 | 3 | 67% | 82,053 |
| 1951 | 2 | 6 | 67% | 10,307 |
Triumph Thunder bird reliability FAQ
Across 29 Triumph Thunder bird vehicles in our MOT data,
85% pass the MOT (a 15% failure rate), with about
0.4 faults or advisories recorded per test.
The most frequently recorded Triumph Thunder bird MOT issues are:
Front Brake pad(s) close to minimum limit (3.2.A1f(i)); Front Tyre worn close to the legal limit (4.1.3(ii)); Nearside Front Front shock absorber has light misting of stanchion (2.3.3).
The typical Triumph Thunder bird in our data has covered around
30,011 miles.
Compare the Triumph Thunder bird
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