Piaggio GT125: MOT pass rate by registration year

Which GT125 years pass first time, and which fall short of the model's 79.1% average, from 759 DVSA tests.

2006

highest-passing year · 84.2%

2003

lowest-passing year · 78.8%

5.4pp

spread across 4 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: 2006 (84.2% of 95 tests). Lowest: 2003 (78.8% of 203).

Registered	Tests	First-time pass	vs model (79.1%)
2003	203	78.8%	-0.3 pp
2004	263	79.8%	+0.7 pp
2005	83	83.1%	+4.0 pp
2006	95	84.2%	+5.1 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

first-time pass rate by test year · 2007–2018

Questions

Which GT125 years have the lowest MOT pass rate?: none: no registration year of the Piaggio GT125 falls more than two points under the model's 79.1% overall pass rate.
Which GT125 year has the highest MOT pass rate?: 2006, at 84.2% of 95 first tests (2005–2025). Years more than two points above the model average: 2005, 2006.
How much does the GT125 pass rate vary by year?: 5.4 percentage points between the highest (2006, 84.2%) and lowest (2003, 78.8%) 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: Piaggio GT125 reliability, failures and mileage · ranked #3752 of 5428 models· other Piaggio models: Vespa, Zip, NRG, PX 125 (vespa), PX 200 E, ET2