Peugeot Tweet 125 X vs Piaggio Vespa

The Peugeot Tweet 125 X passes its MOT first time more often than the Piaggio Vespa: 80.9% vs 80.7%, a 0.2-point lead.

MOT reliability, side by side

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

Metric	Peugeot Tweet 125 X	Piaggio Vespa
First-time pass rate	80.9%	80.7%
Outright fail rate	12.8%	12.2%
Vs comparable bikes (age & mileage adjusted)	+9.5 pts	+5.9 pts
Engine size	125cc	124cc
Rank among all models	#3398 of 5428	#3439 of 5428
Median miles at test	11,148	10,023
MOT tests analysed	423	287,482
Most common failure	brakes	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.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

Pass rate by test year

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

Test year	Peugeot Tweet 125 X	Piaggio Vespa
2014	88.6%	76.6%
2015	82.8%	78.4%
2016	83.3%	79.2%
2017	82.5%	81.0%
2018	74.0%	81.5%
2019	70.8%	82.6%

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	Peugeot Tweet 125 X	Piaggio Vespa
0k-10k miles	85.3%	85.0%
10k-20k miles	82.1%	77.0%
20k-30k miles	61.9%	75.3%

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

PEUGEOT TWEET 125 X 80.9% pass · 423 tests PIAGGIO VESPA 80.7% pass · 287k tests

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