BMW S 1000 XR 2021 vs. BMW R 1250 RS 2019

The BMW S 1000 XR 2021 and the BMW R 1250 RS 2019 are both sport touring motorcycles from BMW, but they have some key differences in their technical specifications and strengths.

Starting with the engine and drive train, the S 1000 XR 2021 features an inline four-cylinder engine with a displacement of 999cc, producing 165 horsepower and 114 Nm of torque. It has a chain transmission and four-stroke engine. On the other hand, the R 1250 RS 2019 has a boxer twin-cylinder engine with a displacement of 1254cc, delivering 136 horsepower and 143 Nm of torque. It has a prop shaft transmission and four-stroke engine.

In terms of suspension, both motorcycles have upside-down telescopic forks at the front. However, the S 1000 XR 2021 has a swing arm suspension at the rear with a monoshock absorber, while the R 1250 RS 2019 has a single swing arm suspension with a monoshock absorber. The travel for both front and rear suspensions is slightly higher in the S 1000 XR 2021, at 150mm compared to 140mm in the R 1250 RS 2019. The S 1000 XR 2021 also offers more adjustment options for the rear suspension, including compression, preload, and rebound adjustments.

In terms of chassis, the S 1000 XR 2021 features an aluminum frame with a twin-tube design that serves as a load-bearing engine. On the other hand, the R 1250 RS 2019 has a steel frame that also serves as a load-bearing engine.

BMW S 1000 XR 2021

Both motorcycles have double disk brakes at the front with a diameter of 320mm and radial technology. This ensures excellent braking performance.

When it comes to advanced rider assistance systems, the S 1000 XR 2021 offers a more comprehensive range of features. It includes electronically adjustable suspension, riding modes, cornering ABS, ride by wire, and traction control. The R 1250 RS 2019, on the other hand, offers ABS, anti-slipping control, riding modes, and ride by wire.

In terms of dimensions and weights, the S 1000 XR 2021 has a slightly wider front tire at 120mm compared to 120mm on the R 1250 RS 2019. Both motorcycles have the same front and rear tire diameter of 17 inches. The S 1000 XR 2021 has a longer wheelbase at 1552mm compared to 1530mm on the R 1250 RS 2019. The seat height is higher on the S 1000 XR 2021 at 840mm compared to 820mm on the R 1250 RS 2019. The S 1000 XR 2021 also has a lower curb weight with ABS at 226kg compared to 243kg on the R 1250 RS 2019. Both motorcycles have a fuel tank capacity of 18-20 liters.

BMW R 1250 RS 2019

In terms of equipment, the S 1000 XR 2021 offers LED daytime running lights, LED headlights, a TFT display, and an adjustable windscreen. The R 1250 RS 2019, on the other hand, offers LED headlights as standard.

In terms of strengths, the S 1000 XR 2021 is praised for its practical riding modes, rev-happy four-cylinder engine, well-balanced vehicle dynamics, and good brakes. On the other hand, the R 1250 RS 2019 is commended for its precise and stable handling, agile high-revving boxer engine, modern look, touring-friendly seating position, and standard ABS and traction control.

However, both motorcycles have some weaknesses. The S 1000 XR 2021 has a narrow knee angle on long tours, and the suspension damping is not sensitive enough for a truly comfortable setup. It also has a high fuel consumption. The R 1250 RS 2019, on the other hand, has a windshield that could be higher, and many features come at an extra cost.

In conclusion, the BMW S 1000 XR 2021 and the BMW R 1250 RS 2019 are both impressive sport touring motorcycles with their own unique strengths and weaknesses. The S 1000 XR 2021 offers more advanced rider assistance systems and a more powerful engine, while the R 1250 RS 2019 excels in handling and comes with a range of standard features. Ultimately, the choice between the two will depend on the rider's preferences and priorities.