MOT reliability
Triumph 3ta
649 vehicles · 3,374 completed MOT tests analysed
92%
MOT pass rate
Based on 649 Triumph 3ta vehicles and 3,374 completed MOT tests, the Triumph 3ta has an overall 92% pass rate, with an average recorded mileage of 23,178 miles.
649
Vehicles
3,374
MOT tests
391
Avg miles / year
0.3
Faults per test
0%
Dangerous-fault share
Triumph 3ta problem areas
Where faults occur most across all Triumph 3ta MOT tests:
-
Other103%
-
Steering18%
-
Brakes7%
-
Lamps & electrical7%
-
Tyres, wheels & suspension2%
-
Body & structure2%
-
Seatbelts & equipment1%
-
Visibility0%
Triumph 3ta pass rate by age
How the Triumph 3ta's MOT pass rate changes as it ages (buckets with 20+ tests).
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 23 | 87% |
| 2 | 16 | 100% |
| 3 | 18 | 94% |
| 4 | 19 | 95% |
| 5 | 12 | 92% |
| 6 | 18 | 100% |
| 7 | 14 | 93% |
| 8 | 19 | 100% |
| 9 | 21 | 81% |
| 10 | 21 | 95% |
| 11 | 22 | 91% |
| 12 | 19 | 84% |
| 13 | 20 | 85% |
| 14 | 21 | 86% |
| 15 | 23 | 83% |
| 16 | 19 | 89% |
| 17 | 20 | 90% |
| 18 | 23 | 87% |
| 19 | 22 | 86% |
| 20 | 18 | 94% |
Fuel types: Petrol (649)
Most common Triumph 3ta MOT faults
These are the faults and advisories recorded most often across Triumph 3ta MOT tests:
- Rear wheel bearings have slight free play (2.4.A.2c) (63 times)
- Steering headbearing has slight free play (2.2.2) (56 times)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (47 times)
- Oil leak (39 times)
- Front Wheel has a slightly distorted bead rim. (4.2.2) (38 times)
- Wheel alignment slightly misaligned. (2.5.1) (37 times)
- Drive chain worn but not considered excessive (6.2.1e) (35 times)
- Front wheel bearings are slightly rough (2.3.5b) (33 times)
- Stop lamp does not illuminate immediately a brake applies (1.3.1a) (25 times)
- Drive chain slightly loose (6.2.1d) (23 times)
- No lights fitted at time of test (22 times)
- Rear Rear wheel bearings have slight free play (2.4.A.2c) (20 times)
- Rear Wheel has a slightly distorted bead rim. (4.2.2) (20 times)
- Rear Tyre worn close to the legal limit (4.1.3(ii)) (19 times)
- Rear suspension bush has slight free play (2.4.A2a(i)) (18 times)
Triumph 3ta pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2019 | 1 | 1 | 100% | 17 |
| 2018 | 2 | 2 | 100% | 8,994 |
| 2017 | 1 | 2 | 100% | — |
| 2016 | 4 | 5 | 100% | 19,137 |
| 2015 | 2 | 2 | 100% | 54,274 |
| 2014 | 2 | 4 | 100% | 5,529 |
| 2013 | 9 | 37 | 86% | 11,993 |
| 2012 | 3 | 10 | 100% | 7,044 |
| 2011 | 6 | 17 | 94% | 2,281 |
| 2010 | 3 | 7 | 100% | 16,052 |
| 2009 | 1 | 4 | 100% | — |
| 2008 | 2 | 6 | 100% | 37,180 |
| 2007 | 5 | 24 | 96% | 8,214 |
| 2006 | 8 | 40 | 95% | 5,622 |
| 2005 | 1 | 5 | 100% | — |
| 2004 | 1 | 10 | 90% | — |
| 2002 | 2 | 10 | 90% | 206 |
| 2001 | 4 | 25 | 100% | 6,347 |
| 2000 | 4 | 29 | 93% | 59,265 |
| 1999 | 2 | 16 | 81% | 8,784 |
| 1998 | 3 | 24 | 88% | 43,135 |
| 1997 | 5 | 27 | 89% | 24,610 |
| 1996 | 6 | 35 | 86% | 5,353 |
| 1995 | 3 | 11 | 82% | 7,864 |
| 1994 | 2 | 6 | 83% | 8,177 |
| 1993 | 4 | 38 | 84% | 18,694 |
| 1992 | 2 | 16 | 94% | 31,284 |
| 1991 | 1 | 1 | 100% | 37,934 |
| 1990 | 8 | 50 | 86% | 14,682 |
| 1989 | 6 | 29 | 100% | 15,869 |
| 1988 | 4 | 26 | 100% | 21,997 |
| 1987 | 1 | 11 | 91% | 49,205 |
| 1986 | 7 | 46 | 87% | 22,819 |
| 1985 | 6 | 45 | 84% | 19,231 |
| 1984 | 12 | 75 | 95% | 21,882 |
| 1983 | 7 | 24 | 92% | 21,161 |
| 1982 | 7 | 36 | 92% | 16,371 |
| 1981 | 7 | 49 | 84% | 23,997 |
| 1980 | 8 | 30 | 90% | 23,837 |
| 1979 | 7 | 37 | 92% | 22,081 |
| 1973 | 3 | 21 | 95% | 16,132 |
| 1972 | 1 | 2 | 100% | 303 |
| 1971 | 4 | 15 | 80% | 21,722 |
| 1969 | 4 | 14 | 71% | 20,102 |
| 1968 | 1 | 1 | 100% | 415 |
| 1967 | 18 | 102 | 93% | 12,127 |
| 1966 | 51 | 307 | 93% | 27,033 |
| 1965 | 26 | 171 | 93% | 46,616 |
| 1964 | 41 | 215 | 94% | 22,189 |
| 1963 | 45 | 290 | 90% | 29,482 |
| 1962 | 64 | 309 | 93% | 23,212 |
| 1961 | 69 | 367 | 93% | 26,867 |
| 1960 | 49 | 304 | 94% | 17,885 |
| 1959 | 54 | 171 | 92% | 23,179 |
| 1958 | 39 | 156 | 87% | 23,869 |
| 1957 | 9 | 52 | 98% | 19,289 |
| 1956 | 1 | 5 | 100% | 20,843 |
| 1949 | 1 | 1 | 100% | 5,790 |
Triumph 3ta reliability FAQ
Across 649 Triumph 3ta vehicles in our MOT data,
92% pass the MOT (a 8% failure rate), with about
0.3 faults or advisories recorded per test.
The most frequently recorded Triumph 3ta MOT issues are:
Rear wheel bearings have slight free play (2.4.A.2c); Steering headbearing has slight free play (2.2.2); Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d).
The typical Triumph 3ta in our data has covered around
23,178 miles.
Compare the Triumph 3ta
See how the Triumph 3ta stacks up against other Triumph models on MOT reliability:
Check a specific Triumph 3ta
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