BMW R 1250 RS 2021 vs. BMW S 1000 RR 2015

The BMW R 1250 RS 2021 is a sport touring motorcycle with a boxer engine. It has a bore of 102.5 mm and a stroke of 76 mm, resulting in an engine displacement of 1254 ccm. The engine produces 136 HP of power and 143 Nm of torque, with a compression ratio of 12.5. The transmission is a prop shaft, and the motorcycle has 2 cylinders and operates on a 4-stroke cycle.

In terms of suspension, the BMW R 1250 RS 2021 features an upside-down telescopic fork at the front and a single swing arm at the rear. The frame is made of steel and serves as a load-bearing engine. The front brakes are double disk with radial technology. 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 measures 1530 mm, and the seat height is 820 mm. The motorcycle has a curb weight of 243 kg with ABS and a fuel tank capacity of 18 liters.

On the other hand, the BMW S 1000 RR 2015 is a supersport motorcycle with an in-line engine. It has a bore of 80 mm and a stroke of 49.7 mm, resulting in an engine displacement of 999 ccm. The engine produces a powerful 199 HP of power and 113 Nm of torque, with a compression ratio of 13. The transmission is a chain, and the motorcycle has 4 cylinders and operates on a 4-stroke cycle.

BMW R 1250 RS 2021

In terms of suspension, the BMW S 1000 RR 2015 features a telescopic fork at the front and a swing arm at the rear. The frame is made of aluminum and is of the twin tube type. The front brakes are double disk with radial technology. The front tire has a width of 120 mm and a diameter of 17 inches, while the rear tire has a width of 190 mm and a diameter of 17 inches. The wheelbase measures 1425 mm, and the seat height is 815 mm. The motorcycle has a curb weight of 204 kg with ABS and a fuel tank capacity of 17.5 liters.

In terms of strengths, the BMW R 1250 RS 2021 offers high stability in long radii, thanks to its agile and high-revving boxer engine. It also has a comfortable seating position and a great ESA chassis. The motorcycle has a good-looking design and comes with an extensive list of accessories.

On the other hand, the BMW S 1000 RR 2015 has a superb shift assistant and an incredibly powerful and rev-happy engine. It also offers a great range of accessories and has a race-ready data logging tool and calibration tool available.

BMW S 1000 RR 2015

However, the BMW R 1250 RS 2021 has some weaknesses. Its high weight is noticeable in tight bends, and the windshield could be higher for better wind protection. Many compulsory features come at an extra cost, and the motorcycle can feel somewhat sluggish.

Similarly, the BMW S 1000 RR 2015 has a weakness in that its chassis can quickly reach its limit in the hands of professionals.

In conclusion, the BMW R 1250 RS 2021 and the BMW S 1000 RR 2015 are both impressive motorcycles with their own strengths and weaknesses. The R 1250 RS offers stability, comfort, and a wide range of accessories, while the S 1000 RR delivers incredible power and performance. Ultimately, the choice between the two will depend on the rider's preferences and priorities.