Data as of: DVSA MOT results to 2025
Derbi GP1: MOT pass rate by registration year
Which GP1 years pass first time, and which fall short of the model's 66.0% average, from 754 DVSA tests.
Pass rate by registration year
Highest pass rate: 2010 (77.4% of 53 tests). Lowest: 2007 (60.3% of 116). Years more than two points below the model average: 2007, 2009.
| Registered | Tests | First-time pass | vs model (66.0%) |
|---|---|---|---|
| 2005 | 53 | 64.2% | -1.8 pp |
| 2006 | 163 | 68.7% | +2.7 pp |
| 2007 | 116 | 60.3% | -5.7 pp |
| 2008 | 183 | 67.8% | +1.8 pp |
| 2009 | 82 | 62.2% | -3.8 pp |
| 2010 | 53 | 77.4% | +11.4 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 GP1 years have the lowest MOT pass rate?
- 2007, 2009 registered examples pass first time less often than the Derbi GP1 overall (66.0%); the 2007 cohort is lowest at 60.3% from 116 tests.
- Which GP1 year has the highest MOT pass rate?
- 2010, at 77.4% of 53 first tests (2005–2025). Years more than two points above the model average: 2006, 2010.
- How much does the GP1 pass rate vary by year?
- 17.1 percentage points between the highest (2010, 77.4%) and lowest (2007, 60.3%) 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: Derbi GP1 reliability, failures and mileage · ranked #4968 of 5428 models· other Derbi models: Senda, GPR50-R, GPR 50, Atlantis, Predator, Senda SM