GILERA DNA 50

49cc Petrol Class 1

#5158 of 5426 overall #19 of 28 GILERAs #366 of 455 moped bikes

61.6%

first-time pass rate

31.1%

failed outright

7,116

median miles at test

1,502

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2016

The DNA 50's first-time pass rate has fallen 34.2 points since 2005, 68.5% to 34.3%.

Pass rate by mileage

how the DNA 50's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage DNA 50 passes first time 66.1% of the time; by 20k that's 51.5%.

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 DNA 50

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	597	38.3	5.1×
steering and suspension	374	24	5.1×
brakes	208	13.4	2.3×
body and structure	131	8.4	12.8×
tyres and wheels	90	5.8	2.6×
fuel and exhaust	83	5.3	6.1×
reg plates and vin	26	1.7	2.8×
lamps and reflectors	19	1.2	0.7×
structure and attachments	15	1	0.9×
Items Not Tested	15	1	9.4×

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 DNA 50 beats 0 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

PEUGEOT SPEEDFIGHT 65.2% pass · 83.7k tests PIAGGIO ZIP 71.3% pass · 79.0k tests PIAGGIO NRG 65.5% pass · 40.5k tests PEUGEOT VIVACITY 70.4% pass · 29.7k 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 DNA 50.

Pass rate by registration year

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

Best year to buy used: 2004 (71.8% pass). Weakest: 2000 (54.5%).

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.

GILERA DNA 50 FAQ

answers computed from the data above · terms in the glossary

Is the GILERA DNA 50 reliable?

The GILERA DNA 50 is less reliable than average for its class: 61.6% of its 1,502 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5158 of 5426 models.

What does a DNA 50 fail its MOT on most?

lighting and signalling — 38% of all defects recorded against failed DNA 50 tests.

What is the best year of DNA 50 to buy used?

By first-time pass rate, 2004-registered examples do best (71.8%) and 2000 worst (54.5%). Condition and history still trump the year.

How many miles will a DNA 50 last?

The median DNA 50 shows 7,116 miles at test, and examples around 20k miles still pass 51.5% of the time — mileage alone rarely kills one.