BMW F 850 GS Adventure 2019 vs. BMW F 900 R 2021

The BMW F 850 GS Adventure model year 2019 is equipped with an inline engine that has a bore of 84 mm and a stroke of 77 mm. It delivers a power output of 95 HP and a torque of 92 Nm. The fuel system is injection-based, and the transmission is chain-driven. The bike has a liquid cooling system and a displacement of 853 cc.

In terms of suspension, the F 850 GS Adventure features a telescopic upside-down fork at the front with a diameter of 43 mm and a travel of 230 mm. The rear suspension consists of a swingarm with a monoshock and offers a travel of 215 mm. The suspension can be adjusted for preload and recovery. The bike has a steel frame and a tubular frame type that supports the engine. The rake angle is 62 degrees, and the trail is 124.6 mm.

The front brakes are dual disc type with a diameter of 305 mm and dual pistons. The bike is equipped with advanced rider assistance systems such as ABS, traction control, riding modes, and ride-by-wire technology. The front tire has a width of 90 mm and a diameter of 21 inches, while the rear tire has a width of 150 mm and a diameter of 17 inches. The wheelbase is 1593 mm, and the seat height is 875 mm. The bike weighs 244 kg (with ABS) and has a fuel tank capacity of 23 liters.

BMW F 850 GS Adventure 2019

On the other hand, the BMW F 900 R model year 2021 also features an inline engine with a larger bore of 86 mm but the same stroke of 77 mm as the F 850 GS Adventure. It delivers a higher power output of 105 HP and the same torque of 92 Nm. The fuel system, transmission, and cooling system are the same as the F 850 GS Adventure. However, the displacement is increased to 895 cc.

The suspension setup of the F 900 R includes a telescopic upside-down fork at the front with a diameter of 43 mm but a reduced travel of 135 mm. The rear suspension consists of a swingarm with a monoshock and offers a travel of 142 mm. The suspension can be adjusted for preload and recovery. The bike has a steel frame with a double tube frame type that supports the engine. The rake angle is 60.5 degrees, and the trail is 114.3 mm.

The front brakes are dual disc type with a larger diameter of 320 mm and four pistons. The bike is equipped with advanced rider assistance systems such as ABS, traction control, and riding modes. The front tire has a width of 120 mm and a diameter of 17 inches, while the rear tire has a width of 180 mm and a diameter of 17 inches. The wheelbase is 1518 mm, and the seat height is 815 mm. The bike weighs 211 kg (with ABS) and has a smaller fuel tank capacity of 13 liters.

BMW F 900 R 2021

In terms of strengths, the F 850 GS Adventure is praised for its smooth and silky engine, top-notch ergonomics and comfort, suitability for touring, and off-road capabilities. It is also considered technologically mature. On the other hand, the F 900 R is appreciated for its excellent cockpit and functional connectivity, extensive electronics that can be operated logically, accessible handling, and a wide range of equipment and configuration options. It also offers a pleasant seating position and versatile suspension.

However, the F 850 GS Adventure has some weaknesses, including a high price with additional equipment, a less exciting engine, non-adjustable fork, and a relatively high weight. The F 900 R, on the other hand, has a slightly stiff gear lever, a somewhat rough engine performance at high revs, and inadequate splash protection at the rear.

Overall, both bikes have their own strengths and weaknesses, and the choice between them would depend on the rider's preferences and priorities.