Zontes Mantis: MOT pass rate by registration year

Which Mantis years pass first time, and which fall short of the model's 65.8% average, from 538 DVSA tests.

2017

highest-passing year · 72.8%

2016

lowest-passing year · 61.3%

11.5pp

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: 2017 (72.8% of 217 tests). Lowest: 2016 (61.3% of 160). Years more than two points below the model average: 2016, 2018.

Registered	Tests	First-time pass	vs model (65.8%)
2016	160	61.3%	-4.5 pp
2017	217	72.8%	+7.0 pp
2018	137	62.0%	-3.8 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 · 2019–2025

Questions

Which Mantis years have the lowest MOT pass rate?: 2016, 2018 registered examples pass first time less often than the Zontes Mantis overall (65.8%); the 2016 cohort is lowest at 61.3% from 160 tests.
Which Mantis year has the highest MOT pass rate?: 2017, at 72.8% of 217 first tests (2005–2025).
How much does the Mantis pass rate vary by year?: 11.5 percentage points between the highest (2017, 72.8%) and lowest (2016, 61.3%) 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: Zontes Mantis reliability, failures and mileage · ranked #4979 of 5428 models· other Zontes models: ZT, ZT 125-G1, Scorpion 125, ZT 125-3A Tiger, ZT 125-U1, Firefly