Data as of: DVSA MOT results to 2025
Lambretta GP150: MOT pass rate by registration year
Which GP150 years pass first time, and which fall short of the model's 87.6% average, from 12,123 DVSA tests.
Pass rate by registration year
Highest pass rate: 2009 (95.5% of 67 tests). Lowest: 1989 (81.2% of 69). Years more than two points below the model average: 1959, 1977, 1978, 1980, 1981, 1982, 1983, 1989, 2005.
| Registered | Tests | First-time pass | vs model (87.6%) |
|---|---|---|---|
| 1959 | 53 | 84.9% | -2.7 pp |
| 1960 | 119 | 89.1% | +1.5 pp |
| 1961 | 120 | 91.7% | +4.1 pp |
| 1962 | 81 | 93.8% | +6.2 pp |
| 1963 | 242 | 90.9% | +3.3 pp |
| 1964 | 267 | 91.4% | +3.8 pp |
| 1965 | 233 | 91.4% | +3.8 pp |
| 1966 | 222 | 87.4% | -0.2 pp |
| 1967 | 130 | 91.5% | +3.9 pp |
| 1968 | 102 | 94.1% | +6.5 pp |
| 1969 | 1,291 | 89.1% | +1.5 pp |
| 1970 | 1,041 | 88.6% | +1.0 pp |
| 1971 | 806 | 88.1% | +0.5 pp |
| 1972 | 71 | 87.3% | -0.3 pp |
| 1975 | 110 | 90.0% | +2.4 pp |
| 1976 | 322 | 86.0% | -1.6 pp |
| 1977 | 240 | 85.0% | -2.6 pp |
| 1978 | 607 | 84.7% | -2.9 pp |
| 1979 | 886 | 86.3% | -1.3 pp |
| 1980 | 887 | 85.5% | -2.1 pp |
| 1981 | 567 | 84.1% | -3.5 pp |
| 1982 | 339 | 85.5% | -2.1 pp |
| 1983 | 418 | 83.5% | -4.1 pp |
| 1984 | 472 | 86.2% | -1.4 pp |
| 1985 | 893 | 87.2% | -0.4 pp |
| 1986 | 246 | 87.4% | -0.2 pp |
| 1988 | 66 | 86.4% | -1.2 pp |
| 1989 | 69 | 81.2% | -6.4 pp |
| 1990 | 53 | 94.3% | +6.7 pp |
| 2004 | 71 | 91.5% | +3.9 pp |
| 2005 | 163 | 84.7% | -2.9 pp |
| 2006 | 136 | 90.4% | +2.8 pp |
| 2007 | 78 | 91.0% | +3.4 pp |
| 2009 | 67 | 95.5% | +7.9 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 GP150 years have the lowest MOT pass rate?
- 1959, 1977, 1978, 1980, 1981, 1982, 1983, 1989, 2005 registered examples pass first time less often than the Lambretta GP150 overall (87.6%); the 1989 cohort is lowest at 81.2% from 69 tests.
- Which GP150 year has the highest MOT pass rate?
- 2009, at 95.5% of 67 first tests (2005–2025). Years more than two points above the model average: 1961, 1962, 1963, 1964, 1965, 1967, 1968, 1975, 1990, 2004, 2006, 2007, 2009.
- How much does the GP150 pass rate vary by year?
- 14.3 percentage points between the highest (2009, 95.5%) and lowest (1989, 81.2%) 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: Lambretta GP150 reliability, failures and mileage · ranked #1725 of 5428 models· other Lambretta models: LI125, GP200, LI150, GP125, Li, SX200