Gilera Dna 50: MOT pass rate by registration year

Which Dna 50 years pass first time, and which fall short of the model's 61.6% average, from 1,502 DVSA tests.

2004

highest-passing year · 71.8%

2000

lowest-passing year · 54.5%

17.3pp

spread across 5 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: 2004 (71.8% of 110 tests). Lowest: 2000 (54.5% of 143). Years more than two points below the model average: 2000, 2001.

Registered	Tests	First-time pass	vs model (61.6%)
2000	143	54.5%	-7.1 pp
2001	449	57.0%	-4.6 pp
2002	340	66.5%	+4.9 pp
2003	266	62.0%	+0.4 pp
2004	110	71.8%	+10.2 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 · 2005–2016

Questions

Which Dna 50 years have the lowest MOT pass rate?: 2000, 2001 registered examples pass first time less often than the Gilera Dna 50 overall (61.6%); the 2000 cohort is lowest at 54.5% from 143 tests.
Which Dna 50 year has the highest MOT pass rate?: 2004, at 71.8% of 110 first tests (2005–2025). Years more than two points above the model average: 2002, 2004.
How much does the Dna 50 pass rate vary by year?: 17.3 percentage points between the highest (2004, 71.8%) and lowest (2000, 54.5%) 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 Dna 50 reliability, failures and mileage · ranked #5160 of 5428 models· other Gilera models: Runner, Dna, Stalker, Cougar, Runner 125, Ice