Vespa (douglas) 90 vs Peugeot Speedfight 100

The Vespa (douglas) 90 passes its MOT first time more often than the Peugeot Speedfight 100: 84.8% vs 67.4%, a 17.4-point lead.

MOT reliability, side by side

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

Metric	Vespa (douglas) 90	Peugeot Speedfight 100
First-time pass rate	84.8%	67.4%
Outright fail rate	9.4%	24.1%
Engine size	89cc	100cc
Median miles at test	11,452	12,619
MOT tests analysed	191	11,857
Most common failure	lighting and signalling	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.

Pass rate by mileage

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

Mileage	Vespa (douglas) 90	Peugeot Speedfight 100
0k-10k miles	85.9%	73.6%
10k-20k miles	80.8%	65.5%

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

VESPA (DOUGLAS) 90 84.8% pass · 191 tests PEUGEOT SPEEDFIGHT 100 67.4% pass · 11.9k tests

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