Nsu Quickly vs Piaggio NRG

The Nsu Quickly passes its MOT first time more often than the Piaggio NRG: 91.8% vs 65.5%, a 26.3-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	Nsu Quickly	Piaggio NRG
First-time pass rate	91.8%	65.5%
Outright fail rate	3.9%	27.4%
Engine size	49cc	49cc
Rank among all models	#507 of 5428	#4992 of 5428
Median miles at test	8,573	9,874
MOT tests analysed	687	40,458
Most common failure	tyres and wheels	lighting and signalling

First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.

What fails, side by side

share of each bike's MOT tests that failed on the component · lower is better

Component	Nsu Quickly	Piaggio NRG
Steering & suspension	1.5%	15.5%
Lights & signalling	1.7%	15.0%
Brakes	1.5%	10.2%
Tyres & wheels	1.7%	4.7%
Fuel & exhaust	0.6%	3.8%
Structure & body	0.4%	2.5%
Drive system	0.1%	0.0%

A test that fails on two components counts once in each. Component links go to the bikes most likely to fail on it.

Pass rate by test year

first-time MOT pass rate in each calendar year both bikes were tested

Test year	Nsu Quickly	Piaggio NRG
2010	82.4%	63.2%
2011	95.7%	63.9%
2012	87.7%	63.4%
2013	94.2%	64.1%
2014	95.2%	67.4%
2015	94.4%	68.8%
2016	92.7%	68.0%
2017	94.7%	72.0%

Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test

Mileage	Nsu Quickly	Piaggio NRG
0k-10k miles	92.2%	71.3%
10k-20k miles	91.7%	60.6%
20k-30k miles	91.2%	55.7%

Bands with fewer than 30 tests for either bike are left out.

Nsu Quickly vs Piaggio NRG FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Nsu Quickly or the Piaggio NRG?

The Nsu Quickly passes its MOT first time more often than the Piaggio NRG: 91.8% vs 65.5%, a 26.3-point lead. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Nsu Quickly fail its MOT on most?

Lights & signalling: 1.7% of Nsu Quickly MOT tests failed on it, then tyres & wheels (1.7%).

What does the Piaggio NRG fail its MOT on most?

Steering & suspension: 15.5% of Piaggio NRG MOT tests failed on it, then lights & signalling (15.0%).

Which holds up better at high mileage, the Nsu Quickly or the Piaggio NRG?

At 20k-30k miles the Nsu Quickly passes first time more often: 91.2% for the Nsu Quickly vs 55.7% for the Piaggio NRG.

NSU QUICKLY 91.8% pass · 687 tests PIAGGIO NRG 65.5% pass · 40.5k tests

See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.