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Rider Height
<- Comparison guides

sport / default rider 183 cm

BMW HP4 vs BMW R 90 S ergonomics

BMW HP4 and BMW R 90 S 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 HP4

90Comfortable

All contacts reached

BMW R 90 S

90Comfortable

All contacts reached

The two bikes are close enough that posture preference matters more than the overall score.

Geometry snapshot

Geometry comparison for BMW HP4 and BMW R 90 S
SpecBMW HP4BMW R 90 S
Seat height820 mm820 mm
Wheelbase1,423 mm1,465 mm
Wet weight-215 kg
Displacement999 cc898 cc

Posture metrics

Knee angle

BMW HP4
Sport (60.7 deg)
BMW R 90 S
Sport (60.7 deg)

Hip angle

BMW HP4
Neutral (99.6 deg)
BMW R 90 S
Neutral (99.5 deg)

Elbow angle

BMW HP4
Relaxed (143.3 deg)
BMW R 90 S
Relaxed (143.3 deg)

Torso lean

BMW HP4
Forward (25.5 deg)
BMW R 90 S
Forward (25.8 deg)