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BMW R 1300 GS vs Kawasaki Z900

ESTIMATED SIMULATION

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The BMW R 1300 GS (2024) and the Kawasaki Z900 (2025) are compared with the same Moto Kıyas physics model under identical conditions: flat dry asphalt, no wind, a 75 kg rider and no passenger. The BMW R 1300 GS is a adventure bike with 1,300 cc, 143.5 hp and 237 kg; the Kawasaki Z900 is a naked bike with 948 cc, 122.0 hp and 213 kg. Power-to-weight with the rider: 459.9 hp/ton versus 423.7 hp/ton. On this measure the BMW R 1300 GS is 9% ahead.

In the simulation the BMW R 1300 GS covers 0-100 km/h (speedometer) in 2.96 s and the Kawasaki Z900 in 3.13 s; the BMW R 1300 GS is quicker by 0.18 s. In the 100-0 km/h brake test, braking distance without the 0.3 s reaction time is 41.4 m for the BMW R 1300 GS (with ABS) and 43.7 m for the Kawasaki Z900 (with ABS). The BMW R 1300 GS stops 2.3 m shorter. Calculated top speed: 225 km/h (manufacturer claim) versus 234 km/h (manufacturer claim).

All values are an estimated simulation, not road-test measurements. Technical data comes from the sources listed below; the model uses model-specific parameters calibrated against published road tests for both. Open the interactive app (currently in Turkish) to watch the run side by side and change the load.

Estimated simulationBMW R 1300 GSKawasaki Z900
Classadventure bikenaked bike
Engine1,300 cc948 cc
Power143.5 hp122.0 hp
Wet weight237 kg213 kg
Power-to-weight (75 kg rider)459.9 hp/ton423.7 hp/ton
0-100 km/h (speedometer)2.96 s3.13 s
100-0 km/h braking distance41.4 m43.7 m
Top speed (calc.)225 km/h234 km/h

Data sources and calibration

Specifications: the sources below (manufacturer pages, plus road-test or spec sites where the manufacturer gives no figure). Acceleration, braking and top speed: Moto Kıyas physics simulation (power/torque curve, gearing, drag, traction and wheelie limits, ABS assumption), calibrated against published road tests where available. Estimated, not measured.

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