Triumph Rocket 3 GT: MOT pass rate by registration year

Which Rocket 3 GT years pass first time, and which fall short of the model's 92.4% average, from 1,105 DVSA tests.

2021

highest-passing year · 94.5%

2020

lowest-passing year · 92.1%

2.4pp

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: 2021 (94.5% of 201 tests). Lowest: 2020 (92.1% of 762).

Registered	Tests	First-time pass	vs model (92.4%)
2020	762	92.1%	-0.3 pp
2021	201	94.5%	+2.1 pp
2022	127	92.1%	-0.3 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 · 2023–2025

Questions

Which Rocket 3 GT years have the lowest MOT pass rate?: none: no registration year of the Triumph Rocket 3 GT falls more than two points under the model's 92.4% overall pass rate.
Which Rocket 3 GT year has the highest MOT pass rate?: 2021, at 94.5% of 201 first tests (2005–2025).
How much does the Rocket 3 GT pass rate vary by year?: 2.4 percentage points between the highest (2021, 94.5%) and lowest (2020, 92.1%) 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: Triumph Rocket 3 GT reliability, failures and mileage · ranked #405 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird