Data as of: DVSA MOT results to 2025
Lambretta GP: MOT pass rate by registration year
Which GP years pass first time, and which fall short of the model's 86.5% average, from 4,487 DVSA tests.
Pass rate by registration year
Highest pass rate: 1968 (93.5% of 62 tests). Lowest: 1982 (78.3% of 92). Years more than two points below the model average: 1976, 1978, 1981, 1982, 1985.
| Registered | Tests | First-time pass | vs model (86.5%) |
|---|---|---|---|
| 1968 | 62 | 93.5% | +7.0 pp |
| 1969 | 496 | 85.7% | -0.8 pp |
| 1970 | 637 | 86.3% | -0.2 pp |
| 1971 | 535 | 88.6% | +2.1 pp |
| 1976 | 131 | 84.0% | -2.5 pp |
| 1977 | 64 | 90.6% | +4.1 pp |
| 1978 | 205 | 83.9% | -2.6 pp |
| 1979 | 368 | 87.5% | +1.0 pp |
| 1980 | 344 | 88.1% | +1.6 pp |
| 1981 | 294 | 83.3% | -3.2 pp |
| 1982 | 92 | 78.3% | -8.2 pp |
| 1983 | 87 | 87.4% | +0.9 pp |
| 1984 | 113 | 85.8% | -0.7 pp |
| 1985 | 240 | 80.8% | -5.7 pp |
| 1986 | 108 | 92.6% | +6.1 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 GP years have the lowest MOT pass rate?
- 1976, 1978, 1981, 1982, 1985 registered examples pass first time less often than the Lambretta GP overall (86.5%); the 1982 cohort is lowest at 78.3% from 92 tests.
- Which GP year has the highest MOT pass rate?
- 1968, at 93.5% of 62 first tests (2005–2025). Years more than two points above the model average: 1968, 1971, 1977, 1986.
- How much does the GP pass rate vary by year?
- 15.2 percentage points between the highest (1968, 93.5%) and lowest (1982, 78.3%) 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: Lambretta GP reliability, failures and mileage · ranked #2052 of 5428 models· other Lambretta models: LI125, GP200, LI150, GP150, GP125, Li