MOT reliability
Triumph Tr3
1,903 vehicles · 7,802 completed MOT tests analysed
86%
MOT pass rate
Based on 1,903 Triumph Tr3 vehicles and 7,802 completed MOT tests, the Triumph Tr3 has an overall 86% pass rate, with an average recorded mileage of 40,357 miles.
1,903
Vehicles
7,802
MOT tests
602
Avg miles / year
0.8
Faults per test
1%
Dangerous-fault share
Triumph Tr3 problem areas
Where faults occur most across all Triumph Tr3 MOT tests:
-
Other97%
-
Emissions & nuisance6%
-
Brakes6%
-
Tyres, wheels & suspension6%
-
Steering5%
-
Seatbelts & equipment3%
-
Lamps & electrical2%
-
Body & structure1%
Triumph Tr3 pass rate by age
How the Triumph Tr3's MOT pass rate changes as it ages (buckets with 20+ tests).
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 48 | 81% |
| 2 | 49 | 82% |
| 3 | 51 | 86% |
| 4 | 48 | 75% |
| 5 | 39 | 82% |
| 6 | 42 | 95% |
| 7 | 56 | 89% |
| 8 | 70 | 89% |
| 9 | 78 | 87% |
| 10 | 70 | 91% |
| 11 | 79 | 86% |
| 12 | 93 | 85% |
| 13 | 100 | 88% |
| 14 | 113 | 88% |
| 15 | 116 | 84% |
| 16 | 128 | 84% |
| 17 | 119 | 89% |
| 18 | 129 | 84% |
| 19 | 124 | 85% |
| 20 | 120 | 84% |
Fuel types: Petrol (1,900), Other (2), Diesel (1)
Most common Triumph Tr3 MOT faults
These are the faults and advisories recorded most often across Triumph Tr3 MOT tests:
- Oil leak (187 times)
- Steering system has slight free play detected at steering wheel (2.2.A.1a) (160 times)
- Offside Front wheel bearing has slight play (2.5.A.3c) (127 times)
- Nearside Front wheel bearing has slight play (2.5.A.3c) (122 times)
- Parking brake: efficiency below requirements (3.7.B.7) (87 times)
- Windscreen washer provides insufficient washer liquid (8.2.3) (85 times)
- Oil leak, but not excessive (8.4.1 (a) (i)) (75 times)
- Brakes imbalanced across an axle (3.7.B.5b) (70 times)
- Nearside Stop lamp not working (1.2.1b) (65 times)
- Offside Stop lamp not working (1.2.1b) (61 times)
- Nearside Front Front wheel bearing has slight play (2.5.A.3c) (53 times)
- Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)) (46 times)
- Oil leak (45 times)
- Horn not working (1.6.2a) (43 times)
- Offside Front Wheel bearing has slight play (5.1.3 (a) (i)) (43 times)
Triumph Tr3 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2021 | 1 | 3 | 67% | 17,637 |
| 2020 | 3 | 4 | 75% | 59,100 |
| 2019 | 3 | 3 | 100% | 16,102 |
| 2018 | 4 | 13 | 92% | 65,368 |
| 2017 | 9 | 21 | 81% | 33,315 |
| 2016 | 10 | 22 | 82% | 29,364 |
| 2015 | 18 | 56 | 73% | 35,986 |
| 2014 | 7 | 30 | 77% | 51,238 |
| 2013 | 3 | 10 | 70% | 26,520 |
| 2012 | 4 | 10 | 80% | 58,624 |
| 2011 | 1 | 13 | 100% | 96,854 |
| 2010 | 3 | 23 | 87% | 52,935 |
| 2009 | 5 | 29 | 93% | 26,800 |
| 2008 | 10 | 51 | 84% | 44,128 |
| 2007 | 5 | 35 | 83% | 19,113 |
| 2006 | 2 | 15 | 67% | 26,801 |
| 2005 | 2 | 22 | 100% | 31,609 |
| 2004 | 8 | 49 | 88% | 143,299 |
| 2003 | 6 | 60 | 87% | 58,362 |
| 2002 | 5 | 52 | 83% | 25,850 |
| 2001 | 4 | 32 | 84% | 17,259 |
| 2000 | 9 | 81 | 85% | 35,387 |
| 1999 | 14 | 135 | 87% | 33,382 |
| 1998 | 20 | 202 | 84% | 39,590 |
| 1997 | 15 | 123 | 88% | 36,880 |
| 1996 | 10 | 87 | 87% | 30,953 |
| 1995 | 14 | 171 | 94% | 37,699 |
| 1994 | 12 | 99 | 83% | 35,767 |
| 1993 | 20 | 155 | 82% | 43,486 |
| 1992 | 14 | 125 | 85% | 51,585 |
| 1991 | 25 | 225 | 83% | 43,299 |
| 1990 | 27 | 242 | 90% | 38,426 |
| 1989 | 18 | 199 | 89% | 31,429 |
| 1988 | 2 | 21 | 86% | 16,453 |
| 1987 | 7 | 38 | 84% | 32,421 |
| 1986 | 4 | 35 | 77% | 27,990 |
| 1985 | 3 | 46 | 87% | 53,901 |
| 1984 | 11 | 109 | 84% | 38,829 |
| 1983 | 6 | 37 | 81% | 25,507 |
| 1982 | 11 | 64 | 89% | 44,962 |
| 1981 | 5 | 69 | 74% | 38,760 |
| 1980 | 4 | 28 | 96% | 61,412 |
| 1979 | 4 | 31 | 87% | 56,626 |
| 1978 | 6 | 58 | 84% | 24,879 |
| 1970 | 1 | 21 | 100% | 5,809 |
| 1968 | 2 | 8 | 100% | 51,718 |
| 1966 | 1 | 22 | 86% | 54,825 |
| 1965 | 1 | 10 | 90% | 77,776 |
| 1964 | 5 | 44 | 93% | 31,361 |
| 1963 | 3 | 29 | 79% | 44,329 |
| 1962 | 29 | 220 | 85% | 45,297 |
| 1961 | 60 | 580 | 87% | 44,548 |
| 1960 | 156 | 1,275 | 87% | 40,478 |
| 1959 | 155 | 1,019 | 86% | 41,435 |
| 1958 | 112 | 687 | 85% | 39,499 |
| 1957 | 88 | 499 | 90% | 35,308 |
| 1956 | 56 | 386 | 86% | 35,097 |
| 1955 | 7 | 68 | 91% | 59,898 |
| 1953 | 1 | 1 | 100% | 21,399 |
Triumph Tr3 reliability FAQ
Across 1,903 Triumph Tr3 vehicles in our MOT data,
86% pass the MOT (a 14% failure rate), with about
0.8 faults or advisories recorded per test.
The most frequently recorded Triumph Tr3 MOT issues are:
Oil leak; Steering system has slight free play detected at steering wheel (2.2.A.1a); Offside Front wheel bearing has slight play (2.5.A.3c).
The typical Triumph Tr3 in our data has covered around
40,357 miles.
Compare the Triumph Tr3
See how the Triumph Tr3 stacks up against other Triumph models on MOT reliability:
Check a specific Triumph Tr3
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