MOT reliability
Triumph Bonneville
30,538 vehicles · 238,956 completed MOT tests analysed
90%
MOT pass rate
Based on 30,538 Triumph Bonneville vehicles and 238,956 completed MOT tests, the Triumph Bonneville has an overall 90% pass rate, with an average recorded mileage of 13,382 miles.
30,538
Vehicles
238,956
MOT tests
913
Avg miles / year
0.4
Faults per test
3%
Dangerous-fault share
Triumph Bonneville problem areas
Where faults occur most across all Triumph Bonneville MOT tests:
-
Other48%
-
Brakes20%
-
Tyres, wheels & suspension14%
-
Lamps & electrical13%
-
Emissions & nuisance7%
-
Steering7%
-
Body & structure6%
-
Seatbelts & equipment4%
Triumph Bonneville pass rate by age
How the Triumph Bonneville's MOT pass rate changes as it ages (buckets with 20+ tests).
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 421 | 90% |
| 2 | 730 | 91% |
| 3 | 23,342 | 91% |
| 4 | 23,082 | 91% |
| 5 | 23,333 | 91% |
| 6 | 22,022 | 91% |
| 7 | 20,153 | 91% |
| 8 | 17,782 | 90% |
| 9 | 14,636 | 90% |
| 10 | 11,963 | 90% |
| 11 | 9,845 | 90% |
| 12 | 8,448 | 90% |
| 13 | 7,194 | 90% |
| 14 | 6,423 | 89% |
| 15 | 5,769 | 89% |
| 16 | 5,142 | 89% |
| 17 | 4,340 | 89% |
| 18 | 3,681 | 88% |
| 19 | 3,123 | 88% |
| 20 | 2,590 | 89% |
Fuel types: Petrol (30,510), Other (20), Diesel (7), Electric (1)
Most common Triumph Bonneville MOT faults
These are the faults and advisories recorded most often across Triumph Bonneville MOT tests:
- Exhaust noisy (8.1.1 (a)) (5,543 times)
- Front Tyre worn close to the legal limit (5.2.3 (e)) (4,062 times)
- Rear Tyre worn close to the legal limit (5.2.3 (e)) (3,117 times)
- Front Tyre worn close to the legal limit (4.1.3(ii)) (2,825 times)
- Rear Tyre worn close to the legal limit (4.1.3(ii)) (2,667 times)
- Rear Brake pad(s) close to minimum limit (1.1.13 (a)) (2,380 times)
- Exhaust noisy (7.1.2) (2,290 times)
- Front Brake pad(s) close to minimum limit (1.1.13 (a)) (2,051 times)
- Drive chain slightly loose (6.1.7 (c) (i)) (1,803 times)
- Front Brake indicates slight fluctuation of brake effort (1.2.1 (e)) (1,691 times)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (1,550 times)
- Headlamp aim too high (4.1.2 (a)) (1,491 times)
- Headlamp aim too high (1.6) (1,415 times)
- Rear reflector missing (4.8.2 (a) (ii)) (1,380 times)
- Drive chain slightly loose (6.2.1d) (1,341 times)
Triumph Bonneville pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2024 | 1 | 1 | 100% | 448 |
| 2023 | 1 | 1 | 100% | 4,286 |
| 2022 | 8 | 11 | 91% | 3,802 |
| 2021 | 371 | 1,001 | 93% | 5,990 |
| 2020 | 1,205 | 3,959 | 93% | 6,714 |
| 2019 | 1,933 | 8,295 | 93% | 7,672 |
| 2018 | 2,700 | 13,856 | 92% | 8,879 |
| 2017 | 2,986 | 18,329 | 92% | 10,109 |
| 2016 | 2,621 | 17,161 | 92% | 10,849 |
| 2015 | 1,689 | 12,327 | 90% | 10,085 |
| 2014 | 1,446 | 11,719 | 91% | 11,028 |
| 2013 | 1,011 | 8,590 | 91% | 11,256 |
| 2012 | 749 | 6,576 | 92% | 11,275 |
| 2011 | 672 | 6,955 | 90% | 14,158 |
| 2010 | 880 | 9,669 | 91% | 13,922 |
| 2009 | 972 | 11,537 | 90% | 18,025 |
| 2008 | 761 | 8,978 | 88% | 16,597 |
| 2007 | 906 | 11,140 | 88% | 15,926 |
| 2006 | 941 | 11,728 | 88% | 16,243 |
| 2005 | 766 | 10,271 | 88% | 18,596 |
| 2004 | 928 | 12,982 | 88% | 18,571 |
| 2003 | 724 | 10,441 | 89% | 17,516 |
| 2002 | 558 | 8,022 | 89% | 19,117 |
| 2001 | 1,006 | 14,004 | 89% | 20,183 |
| 2000 | 83 | 911 | 88% | 16,039 |
| 1999 | 23 | 141 | 91% | 10,612 |
| 1998 | 20 | 172 | 92% | 11,745 |
| 1997 | 22 | 187 | 91% | 19,215 |
| 1996 | 21 | 145 | 90% | 20,648 |
| 1995 | 20 | 118 | 89% | 16,865 |
| 1994 | 33 | 252 | 90% | 21,931 |
| 1993 | 35 | 219 | 89% | 17,937 |
| 1992 | 31 | 157 | 89% | 15,602 |
| 1991 | 44 | 261 | 91% | 15,771 |
| 1990 | 31 | 184 | 88% | 23,122 |
| 1989 | 8 | 47 | 79% | 20,766 |
| 1988 | 31 | 234 | 91% | 17,305 |
| 1987 | 54 | 406 | 87% | 17,028 |
| 1986 | 26 | 175 | 87% | 17,550 |
| 1985 | 14 | 71 | 92% | 12,826 |
| 1984 | 13 | 61 | 92% | 14,305 |
| 1983 | 44 | 349 | 89% | 16,638 |
| 1982 | 87 | 530 | 88% | 22,582 |
| 1981 | 241 | 1,538 | 89% | 22,599 |
| 1980 | 285 | 1,824 | 87% | 25,774 |
| 1979 | 312 | 1,879 | 88% | 23,215 |
| 1978 | 376 | 2,078 | 87% | 20,998 |
| 1977 | 253 | 1,333 | 89% | 18,182 |
| 1976 | 212 | 1,164 | 87% | 22,510 |
| 1975 | 168 | 1,049 | 88% | 27,507 |
| 1974 | 50 | 262 | 84% | 38,029 |
| 1973 | 158 | 925 | 89% | 22,119 |
| 1972 | 85 | 471 | 87% | 22,119 |
| 1971 | 100 | 466 | 92% | 15,959 |
| 1970 | 114 | 600 | 94% | 21,816 |
| 1969 | 98 | 544 | 94% | 14,428 |
| 1968 | 111 | 613 | 92% | 16,746 |
| 1967 | 63 | 323 | 90% | 11,428 |
| 1966 | 67 | 374 | 93% | 9,121 |
| 1965 | 54 | 258 | 95% | 18,988 |
| 1964 | 36 | 208 | 92% | 12,184 |
| 1963 | 20 | 148 | 90% | 16,836 |
| 1962 | 30 | 122 | 93% | 14,454 |
| 1961 | 49 | 299 | 93% | 23,189 |
| 1960 | 34 | 136 | 96% | 8,156 |
| 1959 | 16 | 44 | 100% | 3,985 |
| 1958 | 5 | 10 | 90% | 4,143 |
| 1957 | 3 | 21 | 95% | 46,497 |
| 1956 | 1 | 2 | 50% | 70,528 |
| 1955 | 2 | 12 | 92% | 26,622 |
| 1953 | 1 | 1 | 100% | 3,170 |
Triumph Bonneville reliability FAQ
Across 30,538 Triumph Bonneville vehicles in our MOT data,
90% pass the MOT (a 10% failure rate), with about
0.4 faults or advisories recorded per test.
The most frequently recorded Triumph Bonneville MOT issues are:
Exhaust noisy (8.1.1 (a)); Front Tyre worn close to the legal limit (5.2.3 (e)); Rear Tyre worn close to the legal limit (5.2.3 (e)).
The typical Triumph Bonneville in our data has covered around
13,382 miles.
Compare the Triumph Bonneville
See how the Triumph Bonneville stacks up against other Triumph models on MOT reliability:
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