BMW R 1250 RT 2021 vs. BMW F 850 GS Adventure 2019

The BMW R 1250 RT 2021 and the BMW F 850 GS Adventure 2019 are both touring motorcycles from BMW, but they have some key differences in terms of specifications and strengths.

Starting with the engine and drivetrain, the BMW R 1250 RT 2021 is equipped with a Boxer engine, while the BMW F 850 GS Adventure 2019 has an inline engine. The R 1250 RT has a larger displacement of 1254cc compared to the F 850 GS Adventure's 853cc. The R 1250 RT also has more power with 136 HP compared to the F 850 GS Adventure's 95 HP. However, the F 850 GS Adventure has a slightly higher torque of 92 Nm compared to the R 1250 RT's 143 Nm. Both motorcycles have electric starters, but the R 1250 RT has a prop shaft transmission, while the F 850 GS Adventure has a chain transmission.

In terms of suspension, the R 1250 RT features a Telelever front suspension with a diameter of 37mm and a travel of 120mm. The rear suspension is a single swing arm with a monoshock and a travel of 136mm. On the other hand, the F 850 GS Adventure has an upside-down telescopic fork front suspension with a diameter of 43mm and a travel of 230mm. The rear suspension is a swing arm with a monoshock and a travel of 215mm. Both motorcycles have preload and rebound adjustment for the rear suspension.

BMW R 1250 RT 2021

In terms of chassis, both motorcycles have a steel frame. The R 1250 RT has a rake of 64.1 degrees and a trail of 116mm, while the F 850 GS Adventure has a rake of 62 degrees and a trail of 124.6mm.

In terms of brakes, both motorcycles have double disk front brakes. The R 1250 RT has a larger diameter of 320mm compared to the F 850 GS Adventure's 305mm.

Both motorcycles are equipped with advanced rider assistance systems such as ABS, anti-slipping control, riding modes, and ride by wire. However, the R 1250 RT also has additional features like combined brake system, cornering ABS, and traction control.

In terms of dimensions and weights, the R 1250 RT has a front tire width of 120mm and a diameter of 17 inches, while the F 850 GS Adventure has a front tire width of 90mm and a diameter of 21 inches. The rear tire width is 180mm for the R 1250 RT and 150mm for the F 850 GS Adventure, both with a diameter of 17 inches. The R 1250 RT has a wheelbase of 1485mm, while the F 850 GS Adventure has a longer wheelbase of 1593mm. The seat height is lower on the R 1250 RT at 805mm compared to the F 850 GS Adventure's 875mm. The R 1250 RT also has a higher kerb weight of 279kg compared to the F 850 GS Adventure's 244kg. Both motorcycles have a fuel tank capacity of 23-25 liters.

BMW F 850 GS Adventure 2019

In terms of strengths, the R 1250 RT offers superb wind and weather protection, a great boxer engine with powerful power, easy engine control, well-designed controls, and great integrated panniers. It also provides high stability even at high speeds. On the other hand, the F 850 GS Adventure offers a silky-smooth engine, top ergonomics and comfort, and is suitable for both touring and off-road adventures. It is also considered technically very mature.

However, both motorcycles have their weaknesses. The R 1250 RT can be slightly cumbersome to maneuver, and some users have reported that the topcase lock can be stiff. The gearshifts can also be stiff at low revs. On the other hand, the F 850 GS Adventure has a high price with additional equipment, the engine may lack emotion for some riders, the fork is not adjustable, and it has a relatively high weight.

In conclusion, the BMW R 1250 RT 2021 and the BMW F 850 GS Adventure 2019 are both capable touring motorcycles with their own strengths and weaknesses. The R 1250 RT offers a powerful boxer engine and excellent wind protection, while the F 850 GS Adventure provides a smooth engine and versatility for both on-road and off-road adventures. Ultimately, the choice between the two will depend on the rider's preferences and priorities.