Ducati M821: MOT pass rate by registration year

Which M821 years pass first time, and which fall short of the model's 88.5% average, from 1,907 DVSA tests.

2020

highest-passing year · 90.2%

2018

lowest-passing year · 87.5%

2.7pp

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: 2020 (90.2% of 123 tests). Lowest: 2018 (87.5% of 639).

Registered	Tests	First-time pass	vs model (88.5%)
2017	754	89.4%	+0.9 pp
2018	639	87.5%	-1.0 pp
2019	355	87.9%	-0.6 pp
2020	123	90.2%	+1.7 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 · 2020–2025

Questions

Which M821 years have the lowest MOT pass rate?: none: no registration year of the Ducati M821 falls more than two points under the model's 88.5% overall pass rate.
Which M821 year has the highest MOT pass rate?: 2020, at 90.2% of 123 first tests (2005–2025).
How much does the M821 pass rate vary by year?: 2.7 percentage points between the highest (2020, 90.2%) and lowest (2018, 87.5%) 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: Ducati M821 reliability, failures and mileage · ranked #1449 of 5428 models· other Ducati models: 748, Multistrada, 996, 916, 900, M