adventure / default rider 183 cm
BMW R 1100 GS vs BMW R 1150 GS ergonomics
BMW R 1100 GS and BMW R 1150 GS have modeled posture scores within three points for the 183 cm default rider. Treat this as a planning estimate; posture preference, data confidence, and a real test sit still matter.
Modeled fit comparison
BMW R 1100 GS
All contacts reached
BMW R 1150 GS
All contacts reached
The modeled scores are within three points, so the result does not distinguish a higher-scoring bike. Treat the result as a planning estimate and compare each bike's geometry confidence before a real test sit.
Rider fit: reaching the ground
The BMW R 1100 GS lists a 840 mm seat; the BMW R 1150 GS lists 840 mm, within a few millimetres of each other. Seat height is only a first-pass ground-reach input. It does not establish safety or actual foot contact. Seat width, suspension sag, boots, mobility, load, and individual proportions can materially change the result.
Geometry snapshot
| Spec | BMW R 1100 GS | BMW R 1150 GS |
|---|---|---|
| Seat height | 840 mm | 840 mm |
| Wheelbase | 1,509 mm | 1,509 mm |
| Wet weight | - | - |
| Displacement | 1,085 cc | 1,130 cc |
Posture metrics
Knee angle
- BMW R 1100 GS
- Sport (65.5 deg)
- BMW R 1150 GS
- Sport (65.5 deg)
Hip angle
- BMW R 1100 GS
- Neutral (100.7 deg)
- BMW R 1150 GS
- Neutral (100.7 deg)
Elbow angle
- BMW R 1100 GS
- Relaxed (143.3 deg)
- BMW R 1150 GS
- Relaxed (143.3 deg)
Torso lean
- BMW R 1100 GS
- Neutral (10.0 deg)
- BMW R 1150 GS
- Neutral (10.0 deg)