MOT reliability
Triumph T20
246 vehicles · 971 completed MOT tests analysed
89%
MOT pass rate
Based on 246 Triumph T20 vehicles and 971 completed MOT tests, the Triumph T20 has an overall 89% pass rate, with an average recorded mileage of 15,442 miles.
246
Vehicles
971
MOT tests
268
Avg miles / year
0.3
Faults per test
0%
Dangerous-fault share
Triumph T20 problem areas
Where faults occur most across all Triumph T20 MOT tests:
-
Other134%
-
Steering24%
-
Brakes9%
-
Lamps & electrical4%
-
Tyres, wheels & suspension2%
-
Visibility0%
Triumph T20 pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 17 | 88% |
| 2 | 11 | 100% |
| 3 | 15 | 93% |
| 4 | 16 | 100% |
| 5 | 10 | 100% |
| 6 | 13 | 100% |
| 7 | 9 | 100% |
| 8 | 6 | 100% |
| 9 | 15 | 80% |
| 10 | 9 | 100% |
| 11 | 9 | 100% |
| 12 | 8 | 88% |
| 13 | 4 | 100% |
| 14 | 7 | 86% |
| 15 | 8 | 88% |
| 16 | 10 | 90% |
| 17 | 5 | 100% |
| 18 | 10 | 90% |
| 19 | 6 | 83% |
| 20 | 5 | 100% |
Fuel types: Petrol (246)
Most common Triumph T20 MOT faults
These are the faults and advisories recorded most often across Triumph T20 MOT tests:
- No lights fitted at time of test (50 times)
- Steering headbearing has slight free play (2.2.2) (19 times)
- Rear wheel bearings have slight free play (2.4.A.2c) (18 times)
- Front wheel bearings are slightly rough (2.3.5b) (12 times)
- Rear suspension bush has slight free play (2.4.A2a(i)) (11 times)
- Front wheel bearings have slight free play (2.3.5b) (10 times)
- Rear Wheel spoke slightly loose. (4.2.1b) (9 times)
- Steering headbearing has excessive free play (2.2.2) (9 times)
- Stop lamp does not illuminate immediately a brake applies (1.3.1a) (8 times)
- Horn not working (1.7.3a) (8 times)
- Wheel alignment slightly misaligned. (2.5.1) (8 times)
- Front Wheel has a slightly distorted bead rim. (4.2.2) (8 times)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (7 times)
- Drive chain slightly loose (6.2.1d) (7 times)
- Headlamp aim too low (1.6) (6 times)
Triumph T20 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2018 | 1 | 1 | 100% | 24,940 |
| 2016 | 3 | 7 | 86% | 2,431 |
| 2015 | 1 | 1 | 100% | 3,181 |
| 2014 | 1 | 8 | 88% | — |
| 2013 | 3 | 8 | 100% | 19,451 |
| 2012 | 3 | 8 | 88% | 26,927 |
| 2011 | 1 | 4 | 100% | 4,245 |
| 2010 | 1 | 3 | 67% | 4,900 |
| 2009 | 3 | 23 | 96% | 16,298 |
| 2008 | 1 | 1 | 100% | — |
| 2007 | 1 | 7 | 100% | — |
| 2006 | 4 | 31 | 87% | 5,329 |
| 2005 | 2 | 6 | 100% | 1,543 |
| 2004 | 3 | 6 | 100% | 11,578 |
| 2003 | 6 | 26 | 96% | 5,901 |
| 2002 | 2 | 10 | 100% | 1,174 |
| 2001 | 1 | 2 | 100% | 374 |
| 1999 | 2 | 11 | 100% | 13,104 |
| 1998 | 2 | 10 | 100% | 5,628 |
| 1997 | 1 | 6 | 83% | 1,041 |
| 1996 | 1 | 4 | 75% | 33,113 |
| 1995 | 2 | 7 | 86% | 1,049 |
| 1992 | 3 | 22 | 91% | 20,820 |
| 1991 | 2 | 22 | 95% | 13,326 |
| 1990 | 2 | 2 | 100% | 9,655 |
| 1989 | 2 | 3 | 100% | 22,999 |
| 1988 | 1 | 1 | 100% | 945 |
| 1987 | 1 | 3 | 67% | 17,380 |
| 1984 | 4 | 17 | 94% | 24,647 |
| 1983 | 5 | 16 | 75% | 14,027 |
| 1982 | 1 | 1 | 100% | 3,573 |
| 1981 | 3 | 20 | 100% | 10,328 |
| 1980 | 1 | 3 | 100% | 20,469 |
| 1979 | 1 | 4 | 100% | 7,231 |
| 1978 | 1 | 4 | 75% | 4,489 |
| 1973 | 1 | 1 | 100% | 4,229 |
| 1972 | 1 | 2 | 50% | 377,423 |
| 1970 | 1 | 11 | 82% | 19,973 |
| 1968 | 5 | 11 | 55% | 22,510 |
| 1967 | 12 | 94 | 86% | 20,194 |
| 1966 | 10 | 45 | 93% | 13,378 |
| 1965 | 11 | 30 | 87% | 7,553 |
| 1964 | 16 | 55 | 89% | 15,269 |
| 1963 | 17 | 79 | 91% | 15,114 |
| 1962 | 9 | 31 | 87% | 8,766 |
| 1961 | 30 | 124 | 88% | 17,249 |
| 1960 | 16 | 63 | 94% | 9,180 |
| 1959 | 18 | 49 | 86% | 18,132 |
| 1958 | 15 | 42 | 86% | 14,895 |
| 1957 | 4 | 11 | 73% | 13,871 |
| 1956 | 2 | 2 | 100% | 23,873 |
| 1955 | 5 | 12 | 92% | 9,188 |
| 1954 | 1 | 1 | 100% | — |
Triumph T20 reliability FAQ
Across 246 Triumph T20 vehicles in our MOT data,
89% pass the MOT (a 11% failure rate), with about
0.3 faults or advisories recorded per test.
The most frequently recorded Triumph T20 MOT issues are:
No lights fitted at time of test; Steering headbearing has slight free play (2.2.2); Rear wheel bearings have slight free play (2.4.A.2c).
The typical Triumph T20 in our data has covered around
15,442 miles.
Compare the Triumph T20
See how the Triumph T20 stacks up against other Triumph models on MOT reliability:
Check a specific Triumph T20
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