Gilera GP 800: MOT pass rate by registration year

Which GP 800 years pass first time, and which fall short of the model's 82.6% average, from 690 DVSA tests.

2010

highest-passing year · 91.7%

2008

lowest-passing year · 79.7%

12.0pp

spread across 3 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: 2010 (91.7% of 108 tests). Lowest: 2008 (79.7% of 374). Years more than two points below the model average: 2008.

Registered	Tests	First-time pass	vs model (82.6%)
2008	374	79.7%	-2.9 pp
2009	166	80.7%	-1.9 pp
2010	108	91.7%	+9.1 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 · 2011–2023

Questions

Which GP 800 years have the lowest MOT pass rate?: 2008 registered examples pass first time less often than the Gilera GP 800 overall (82.6%); the 2008 cohort is lowest at 79.7% from 374 tests.
Which GP 800 year has the highest MOT pass rate?: 2010, at 91.7% of 108 first tests (2005–2025).
How much does the GP 800 pass rate vary by year?: 12.0 percentage points between the highest (2010, 91.7%) and lowest (2008, 79.7%) 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: Gilera GP 800 reliability, failures and mileage · ranked #3052 of 5428 models· other Gilera models: Runner, Dna, Stalker, Cougar, Runner 125, Ice