PIAGGIO PX 150

150cc Petrol Class 1

#4065 of 5426 overall #91 of 136 PIAGGIOs #242 of 412 scooter bikes

77.0%

first-time pass rate

13.9%

failed outright

14,149

median miles at test

662

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2018

The PX 150's first-time pass rate has fallen 1.9 points since 2006, 76.9% to 75.0%.

Pass rate by mileage

how the PX 150's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage PX 150 passes first time 77.4% of the time; by 40k that's 77.8%.

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 PX 150

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	93	41.3	1.8×
brakes	43	19.1	1.1×
steering and suspension	34	15.1	1.4×
lamps and reflectors	18	8	1.2×
tyres and wheels	10	4.4	0.8×
suspension	7	3.1	1.4×
tyres	7	3.1	1.3×
reg plates and vin	5	2.2	1.1×
fuel and exhaust	4	1.8	0.8×
body and structure	4	1.8	0.9×

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 PX 150 beats 0 of its 4 closest rivals (PIAGGIO VESPA, HONDA PCX 125, HONDA Vision 110).

PIAGGIO VESPA 80.7% pass · 287k tests HONDA PCX 125 81.1% pass · 88.6k tests HONDA Vision 110 78.2% pass · 50.6k tests YAMAHA NMAX 125 82.2% pass · 33.8k tests

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 PX 150.

Pass rate by registration year

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

Best year to buy used: 1979 (85.2% pass). Weakest: 1982 (78.5%).

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 PX 150 FAQ

answers computed from the data above · terms in the glossary

Is the PIAGGIO PX 150 reliable?

The PIAGGIO PX 150 is more reliable than average for its class: 77.0% of its 662 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4065 of 5426 models.

What does a PX 150 fail its MOT on most?

lighting and signalling — 41% of all defects recorded against failed PX 150 tests.

What is the best year of PX 150 to buy used?

By first-time pass rate, 1979-registered examples do best (85.2%) and 1982 worst (78.5%). Condition and history still trump the year.

How many miles will a PX 150 last?

The median PX 150 shows 14,149 miles at test, and examples around 40k miles still pass 77.8% of the time — mileage alone rarely kills one.