Data as of: DVSA MOT results to 2025
Matchless G9: MOT pass rate by registration year
Which G9 years pass first time, and which fall short of the model's 90.0% average, from 812 DVSA tests.
Pass rate by registration year
Highest pass rate: 1955 (94.4% of 124 tests). Lowest: 1954 (86.9% of 61). Years more than two points below the model average: 1954.
| Registered | Tests | First-time pass | vs model (90.0%) |
|---|---|---|---|
| 1951 | 53 | 92.5% | +2.5 pp |
| 1953 | 109 | 93.6% | +3.6 pp |
| 1954 | 61 | 86.9% | -3.1 pp |
| 1955 | 124 | 94.4% | +4.4 pp |
| 1956 | 90 | 93.3% | +3.3 pp |
| 1957 | 121 | 91.7% | +1.7 pp |
| 1960 | 67 | 91.0% | +1.0 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 G9 years have the lowest MOT pass rate?
- 1954 registered examples pass first time less often than the Matchless G9 overall (90.0%); the 1954 cohort is lowest at 86.9% from 61 tests.
- Which G9 year has the highest MOT pass rate?
- 1955, at 94.4% of 124 first tests (2005–2025). Years more than two points above the model average: 1951, 1953, 1955, 1956.
- How much does the G9 pass rate vary by year?
- 7.5 percentage points between the highest (1955, 94.4%) and lowest (1954, 86.9%) 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: Matchless G9 reliability, failures and mileage · ranked #960 of 5428 models· other Matchless models: G80, G12, G3, G3LS, G3L, G2