Ducati S4R: MOT pass rate by registration year

Which S4R years pass first time, and which fall short of the model's 86.8% average, from 3,112 DVSA tests.

2008

highest-passing year · 89.0%

2004

lowest-passing year · 85.6%

3.4pp

spread across 6 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: 2008 (89.0% of 301 tests). Lowest: 2004 (85.6% of 998).

Registered	Tests	First-time pass	vs model (86.8%)
2003	595	86.6%	-0.2 pp
2004	998	85.6%	-1.2 pp
2005	622	87.1%	+0.3 pp
2006	325	88.3%	+1.5 pp
2007	246	86.6%	-0.2 pp
2008	301	89.0%	+2.2 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 · 2006–2025

Questions

Which S4R years have the lowest MOT pass rate?: none: no registration year of the Ducati S4R falls more than two points under the model's 86.8% overall pass rate.
Which S4R year has the highest MOT pass rate?: 2008, at 89.0% of 301 first tests (2005–2025).
How much does the S4R pass rate vary by year?: 3.4 percentage points between the highest (2008, 89.0%) and lowest (2004, 85.6%) 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 S4R reliability, failures and mileage · ranked #1962 of 5428 models· other Ducati models: 748, Multistrada, 996, 916, 900, M