BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Derbi GPR125: MOT pass rate by registration year

Which GPR125 years pass first time, and which fall short of the model's 59.6% average, from 908 DVSA tests.

2011
highest-passing year · 66.0%
2006
lowest-passing year · 45.8%
20.2pp
spread across 6 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 2011 (66.0% of 141 tests). Lowest: 2006 (45.8% of 59). Years more than two points below the model average: 2006, 2007.

42%56%70%2005: 59.2% pass (184 tests)2006: 45.8% pass (59 tests)2007: 47.5% pass (59 tests)2009: 60.4% pass (164 tests)2010: 62.1% pass (214 tests)2011: 66.0% pass (141 tests)200520092011
RegisteredTestsFirst-time passvs model (59.6%)
2005 184 59.2% -0.4 pp
2006 59 45.8% -13.8 pp
2007 59 47.5% -12.1 pp
2009 164 60.4% +0.8 pp
2010 214 62.1% +2.5 pp
2011 141 66.0% +6.4 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

first-time pass rate by test year · 2008–2018
43%57%72%2008: 48.5% pass (33 tests)2009: 48.8% pass (41 tests)2010: 58.3% pass (36 tests)2011: 47.9% pass (48 tests)2012: 61.8% pass (68 tests)2013: 58.4% pass (101 tests)2014: 58.9% pass (129 tests)2015: 67.0% pass (109 tests)2016: 62.5% pass (80 tests)2017: 58.3% pass (72 tests)2018: 66.7% pass (39 tests)20082018

Questions

Which GPR125 years have the lowest MOT pass rate?
2006, 2007 registered examples pass first time less often than the Derbi GPR125 overall (59.6%); the 2006 cohort is lowest at 45.8% from 59 tests.
Which GPR125 year has the highest MOT pass rate?
2011, at 66.0% of 141 first tests (2005–2025). Years more than two points above the model average: 2010, 2011.
How much does the GPR125 pass rate vary by year?
20.2 percentage points between the highest (2011, 66.0%) and lowest (2006, 45.8%) 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 GPR125 reliability, failures and mileage · ranked #5227 of 5428 models· other Derbi models: Senda, GPR50-R, GPR 50, Atlantis, Predator, Senda SM