BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Piaggio Vespa PX 150: MOT pass rate by registration year

Which Vespa PX 150 years pass first time, and which fall short of the model's 85.3% average, from 598 DVSA tests.

2012
highest-passing year · 90.6%
2004
lowest-passing year · 75.9%
14.7pp
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: 2012 (90.6% of 233 tests). Lowest: 2004 (75.9% of 54). Years more than two points below the model average: 2004, 2005.

73%83%94%2004: 75.9% pass (54 tests)2005: 76.0% pass (50 tests)2011: 87.9% pass (91 tests)2012: 90.6% pass (233 tests)200420112012
RegisteredTestsFirst-time passvs model (85.3%)
2004 54 75.9% -9.4 pp
2005 50 76.0% -9.3 pp
2011 91 87.9% +2.6 pp
2012 233 90.6% +5.3 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 · 2015–2025
71%84%97%2015: 88.9% pass (63 tests)2016: 75.0% pass (56 tests)2017: 80.8% pass (52 tests)2018: 85.7% pass (35 tests)2020: 83.3% pass (30 tests)2021: 92.5% pass (40 tests)2022: 81.8% pass (33 tests)2023: 91.9% pass (37 tests)2025: 87.9% pass (33 tests)20152025

Questions

Which Vespa PX 150 years have the lowest MOT pass rate?
2004, 2005 registered examples pass first time less often than the Piaggio Vespa PX 150 overall (85.3%); the 2004 cohort is lowest at 75.9% from 54 tests.
Which Vespa PX 150 year has the highest MOT pass rate?
2012, at 90.6% of 233 first tests (2005–2025). Years more than two points above the model average: 2011, 2012.
How much does the Vespa PX 150 pass rate vary by year?
14.7 percentage points between the highest (2012, 90.6%) and lowest (2004, 75.9%) 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: Piaggio Vespa PX 150 reliability, failures and mileage · ranked #2411 of 5428 models· other Piaggio models: Vespa, Zip, NRG, PX 125 (vespa), PX 200 E, ET2