Data as of: DVSA MOT results to 2025
Triumph Bonneville: MOT pass rate by registration year
Which Bonneville years pass first time, and which fall short of the model's 89.0% average, from 195,256 DVSA tests.
Pass rate by registration year
Highest pass rate: 1959 (96.4% of 111 tests). Lowest: 1974 (83.2% of 125). Years more than two points below the model average: 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1987, 2000, 2003, 2004, 2006.
| Registered | Tests | First-time pass | vs model (89.0%) |
|---|---|---|---|
| 1959 | 111 | 96.4% | +7.4 pp |
| 1960 | 189 | 94.7% | +5.7 pp |
| 1961 | 558 | 90.0% | +1.0 pp |
| 1962 | 271 | 93.7% | +4.7 pp |
| 1963 | 201 | 91.0% | +2.0 pp |
| 1964 | 257 | 90.7% | +1.7 pp |
| 1965 | 426 | 94.1% | +5.1 pp |
| 1966 | 646 | 93.0% | +4.0 pp |
| 1967 | 623 | 91.2% | +2.2 pp |
| 1968 | 1,091 | 91.1% | +2.1 pp |
| 1969 | 953 | 92.4% | +3.4 pp |
| 1970 | 1,114 | 92.3% | +3.3 pp |
| 1971 | 1,574 | 87.7% | -1.3 pp |
| 1972 | 558 | 86.9% | -2.1 pp |
| 1973 | 637 | 86.8% | -2.2 pp |
| 1974 | 125 | 83.2% | -5.8 pp |
| 1975 | 943 | 86.2% | -2.8 pp |
| 1976 | 1,170 | 85.3% | -3.7 pp |
| 1977 | 1,428 | 86.8% | -2.2 pp |
| 1978 | 2,180 | 85.4% | -3.6 pp |
| 1979 | 1,942 | 85.4% | -3.6 pp |
| 1980 | 1,598 | 85.2% | -3.8 pp |
| 1981 | 1,277 | 87.3% | -1.7 pp |
| 1982 | 476 | 87.6% | -1.4 pp |
| 1983 | 298 | 87.6% | -1.4 pp |
| 1986 | 129 | 87.6% | -1.4 pp |
| 1987 | 316 | 85.1% | -3.9 pp |
| 1988 | 175 | 89.1% | +0.1 pp |
| 2000 | 615 | 86.8% | -2.2 pp |
| 2001 | 11,760 | 87.9% | -1.1 pp |
| 2002 | 6,597 | 87.9% | -1.1 pp |
| 2003 | 8,764 | 86.9% | -2.1 pp |
| 2004 | 10,696 | 86.4% | -2.6 pp |
| 2005 | 8,360 | 87.0% | -2.0 pp |
| 2006 | 9,632 | 86.9% | -2.1 pp |
| 2007 | 9,036 | 87.0% | -2.0 pp |
| 2008 | 7,296 | 87.1% | -1.9 pp |
| 2009 | 9,264 | 89.1% | +0.1 pp |
| 2010 | 7,776 | 90.2% | +1.2 pp |
| 2011 | 5,537 | 88.9% | -0.1 pp |
| 2012 | 5,273 | 90.7% | +1.7 pp |
| 2013 | 6,648 | 90.1% | +1.1 pp |
| 2014 | 9,083 | 89.7% | +0.7 pp |
| 2015 | 9,346 | 89.3% | +0.3 pp |
| 2016 | 13,185 | 90.9% | +1.9 pp |
| 2017 | 14,458 | 91.6% | +2.6 pp |
| 2018 | 10,772 | 91.7% | +2.7 pp |
| 2019 | 6,268 | 92.1% | +3.1 pp |
| 2020 | 2,800 | 91.9% | +2.9 pp |
| 2021 | 590 | 92.2% | +3.2 pp |
Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.
Pass rate over time
Questions
- Which Bonneville years have the lowest MOT pass rate?
- 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1987, 2000, 2003, 2004, 2006 registered examples pass first time less often than the Triumph Bonneville overall (89.0%); the 1974 cohort is lowest at 83.2% from 125 tests.
- Which Bonneville year has the highest MOT pass rate?
- 1959, at 96.4% of 111 first tests (2005–2025). Years more than two points above the model average: 1959, 1960, 1962, 1965, 1966, 1967, 1968, 1969, 1970, 2017, 2018, 2019, 2020, 2021.
- How much does the Bonneville pass rate vary by year?
- 13.2 percentage points between the highest (1959, 96.4%) and lowest (1974, 83.2%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
Full report: Triumph Bonneville reliability, failures and mileage · ranked #1269 of 5428 models· other Triumph models: Tiger, Sprint, Daytona, Speed Triple, Thunderbird, Trophy