PIAGGIO GT125

125cc Petrol Class 1

#3751 of 5426 overall #80 of 136 PIAGGIOs #215 of 412 scooter bikes

79.1%

first-time pass rate

13.8%

failed outright

16,282

median miles at test

759

MOT tests, 2005–2025

Pass rate over time

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

The GT125's first-time pass rate has fallen 12.9 points since 2007, 82.9% to 70.0%.

Pass rate by mileage

how the GT125's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage GT125 passes first time 82.7% of the time; by 40k that's 86.7%.

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 GT125

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
tyres and wheels	47	25.1	2.5×
lighting and signalling	42	22.5	1.0×
brakes	30	16	0.8×
steering and suspension	23	12.3	0.8×
fuel and exhaust	14	7.5	2.4×
lamps and reflectors	10	5.3	0.6×
reg plates and vin	7	3.7	0.9×
body and structure	6	3.2	1.4×
tyres	5	2.7	1.0×
steering	3	1.6	0.6×

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 GT125 beats 1 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 GT125.

Pass rate by registration year

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

Best year to buy used: 2006 (84.2% pass). Weakest: 2003 (78.8%).

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 GT125 FAQ

answers computed from the data above · terms in the glossary

Is the PIAGGIO GT125 reliable?

The PIAGGIO GT125 is more reliable than average for its class: 79.1% of its 759 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3751 of 5426 models.

What does a GT125 fail its MOT on most?

tyres and wheels — 25% of all defects recorded against failed GT125 tests.

What is the best year of GT125 to buy used?

By first-time pass rate, 2006-registered examples do best (84.2%) and 2003 worst (78.8%). Condition and history still trump the year.

How many miles will a GT125 last?

The median GT125 shows 16,282 miles at test, and examples around 40k miles still pass 86.7% of the time — mileage alone rarely kills one.