Data as of: DVSA MOT results to 2025
Derbi GPR50-R: MOT pass rate by registration year
Which GPR50-R years pass first time, and which fall short of the model's 53.4% average, from 1,901 DVSA tests.
Pass rate by registration year
Highest pass rate: 1999 (59.3% of 140 tests). Lowest: 2004 (46.7% of 167). Years more than two points below the model average: 1998, 2000, 2002, 2004.
| Registered | Tests | First-time pass | vs model (53.4%) |
|---|---|---|---|
| 1998 | 69 | 50.7% | -2.7 pp |
| 1999 | 140 | 59.3% | +5.9 pp |
| 2000 | 149 | 47.0% | -6.4 pp |
| 2001 | 286 | 55.9% | +2.5 pp |
| 2002 | 281 | 50.5% | -2.9 pp |
| 2003 | 317 | 54.9% | +1.5 pp |
| 2004 | 167 | 46.7% | -6.7 pp |
| 2005 | 301 | 52.5% | -0.9 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 GPR50-R years have the lowest MOT pass rate?
- 1998, 2000, 2002, 2004 registered examples pass first time less often than the Derbi GPR50-R overall (53.4%); the 2004 cohort is lowest at 46.7% from 167 tests.
- Which GPR50-R year has the highest MOT pass rate?
- 1999, at 59.3% of 140 first tests (2005–2025). Years more than two points above the model average: 1999, 2001.
- How much does the GPR50-R pass rate vary by year?
- 12.6 percentage points between the highest (1999, 59.3%) and lowest (2004, 46.7%) 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 GPR50-R reliability, failures and mileage · ranked #5356 of 5428 models· other Derbi models: Senda, GPR 50, Atlantis, Predator, Senda SM, GPR125