BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ PIAGGIO/VESPA ET4-125
Model report · 2005–2025

PIAGGIO VESPA ET4-125

124cc Petrol Class 1
77.0%
first-time pass rate
16.2%
failed outright
15,534
median miles at test
548
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2018

The VESPA ET4-125's first-time pass rate has risen 2.9 points since 2007, 80.0% to 82.9%.

61%78%94%2007: 80.0% pass (30 tests)2009: 66.7% pass (30 tests)2010: 81.8% pass (33 tests)2011: 74.2% pass (31 tests)2012: 74.2% pass (31 tests)2015: 72.7% pass (33 tests)2016: 75.0% pass (32 tests)2017: 88.7% pass (71 tests)2018: 82.9% pass (35 tests)20072018

Pass rate by mileage

how the VESPA ET4-125's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage VESPA ET4-125 passes first time 84.6% of the time; by 30k that's 74.4%.

68%78%87%0k: 84.6% pass (130 tests)10k: 76.3% pass (249 tests)20k: 71.1% pass (121 tests)30k: 74.4% pass (43 tests)0k20k30k

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a VESPA ET4-125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lighting and signalling
52 28.7 1.6×
tyres and wheels
28 15.5 2.2×
brakes
23 12.7 0.8×
fuel and exhaust
20 11 4.3×
steering and suspension
18 9.9 0.9×
body and structure
15 8.3 5.7×
lamps and reflectors
13 7.2 1.0×
Items Not Tested
5 2.8 9.9×
structure and attachments
4 2.2 1.1×
steering
3 1.7 0.4×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the VESPA ET4-125 beats 0 of its 4 closest rivals (PIAGGIO VESPA, HONDA PCX 125, HONDA Vision 110).

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the VESPA ET4-125.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2003 (83.1% pass). Weakest: 2001 (73.8%).

72%78%85%2001: 73.8% pass (149 tests)2002: 78.5% pass (130 tests)2003: 83.1% pass (71 tests)2004: 76.5% pass (51 tests)200120032004

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

PIAGGIO VESPA ET4-125 FAQ

answers computed from the data above · terms in the glossary

Is the PIAGGIO VESPA ET4-125 reliable?

The PIAGGIO VESPA ET4-125 is more reliable than average for its class: 77.0% of its 548 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4065 of 5426 models.

What does a VESPA ET4-125 fail its MOT on most?

lighting and signalling — 29% of all defects recorded against failed VESPA ET4-125 tests.

What is the best year of VESPA ET4-125 to buy used?

By first-time pass rate, 2003-registered examples do best (83.1%) and 2001 worst (73.8%). Condition and history still trump the year.

How many miles will a VESPA ET4-125 last?

The median VESPA ET4-125 shows 15,534 miles at test, and examples around 30k miles still pass 74.4% of the time — mileage alone rarely kills one.