scooter / default rider 183 cm
BMW C 650 GT vs Vespa ET4 150 ergonomics
BMW C 650 GT and Vespa ET4 150 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
BMW C 650 GT
95Comfortable
All contacts reached
Vespa ET4 150
95Comfortable
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Geometry snapshot
| Spec | BMW C 650 GT | Vespa ET4 150 |
|---|---|---|
| Seat height | 805 mm | 805 mm |
| Wheelbase | 1,591 mm | 1,280 mm |
| Wet weight | 261 kg | - |
| Displacement | 647 cc | 150 cc |
Posture metrics
Knee angle
- BMW C 650 GT
- Sport (58.4 deg)
- Vespa ET4 150
- Sport (57.7 deg)
Hip angle
- BMW C 650 GT
- Neutral (91.0 deg)
- Vespa ET4 150
- Neutral (97.7 deg)
Elbow angle
- BMW C 650 GT
- Relaxed (143.3 deg)
- Vespa ET4 150
- Relaxed (143.3 deg)
Torso lean
- BMW C 650 GT
- Neutral (14.0 deg)
- Vespa ET4 150
- Neutral (9.5 deg)