scooter / default rider 183 cm
Peugeot Motocycles XP400 GT vs Vespa PX125 ergonomics
Peugeot Motocycles XP400 GT and Vespa PX125 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
Peugeot Motocycles XP400 GT
All contacts reached
Vespa PX125
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Rider fit: reaching the ground
The Peugeot Motocycles XP400 GT has a 815 mm seat; the Vespa PX125 sits at 810 mm — a 5 mm difference. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 82 cm for the Peugeot Motocycles XP400 GT and 81 cm for the Vespa PX125.
That makes the Vespa PX125 the easier reach to the ground — the safer pick for shorter riders or anyone who wants both feet planted at a stop — while the Peugeot Motocycles XP400 GT gives taller riders more legroom and a more open knee bend. Load your own height and inseam into the simulator to see exactly how each one fits you.
Geometry snapshot
| Spec | Peugeot Motocycles XP400 GT | Vespa PX125 |
|---|---|---|
| Seat height | 815 mm | 810 mm |
| Wheelbase | 1,544 mm | 1,260 mm |
| Wet weight | 231 kg | 101 kg |
| Displacement | 400 cc | 123 cc |
Posture metrics
Knee angle
- Peugeot Motocycles XP400 GT
- Sport (58.3 deg)
- Vespa PX125
- Sport (57.7 deg)
Hip angle
- Peugeot Motocycles XP400 GT
- Neutral (91.9 deg)
- Vespa PX125
- Neutral (98.1 deg)
Elbow angle
- Peugeot Motocycles XP400 GT
- Relaxed (143.3 deg)
- Vespa PX125
- Relaxed (143.3 deg)
Torso lean
- Peugeot Motocycles XP400 GT
- Neutral (13.4 deg)
- Vespa PX125
- Neutral (9.2 deg)