BMW S 1000 R 2021 vs. BMW S 1000 RR 2020

The BMW S 1000 R model year 2021 and the BMW S 1000 RR model year 2020 have several similarities and differences in terms of their technical specifications and strengths and weaknesses.

Starting with the technical specifications, both models have an inline engine with the same bore and stroke measurements of 80 mm and 49.7 mm respectively. They also have the same fuel injection system, throttle bore diameter, and cooling system. However, there are some differences in power and torque. The S 1000 R 2021 has a maximum power output of 165 HP and a torque of 114 Nm, while the S 1000 RR 2020 has a higher power output of 207 HP and a torque of 113 Nm. The compression ratio is also different, with the S 1000 R having a ratio of 12.5 and the S 1000 RR having a ratio of 13.3. Both models have four cylinders and four valves per cylinder.

BMW S 1000 R 2021

In terms of suspension, both models have a telescopic fork front suspension with a diameter of 45 mm and adjustable compression, preload, and rebound settings. They also have a rear swingarm suspension with a monoshock and adjustable compression, preload, and rebound settings. The chassis of both models is made of aluminum and has a double tube frame. However, there are slight differences in the rake and trail measurements, with the S 1000 R having a rake of 66 degrees and a trail of 96.3 mm, while the S 1000 RR has a rake of 66.9 degrees and a trail of 93.9 mm.

In terms of braking, both models have dual disc front brakes with a diameter of 320 mm and four-piston calipers. They also have advanced driver assistance systems such as ABS, traction control, and multiple riding modes. However, the S 1000 RR 2020 also has additional features like launch control and quick shift.

Moving on to the strengths and weaknesses, the BMW S 1000 R 2021 is praised for its powerful engine, good brakes, comfortable ergonomics, and optional high-performance extras. It is also considered a versatile motorcycle that performs well in various situations. However, some weaknesses mentioned include the gear lever not being perfect and the sound being slightly intrusive. There are also vibrations felt at the handlebars.

BMW S 1000 RR 2020

On the other hand, the BMW S 1000 RR 2020 is praised for its linear power delivery, wide range of revs, and pleasant control. The ShiftCam technology provides additional pressure in the lower rev range. It is also praised for its excellent Dynamic Damping Control (DDC) system and overall harmonious package for both road and track use. However, some weaknesses mentioned include the bike lacking character compared to competitors like Aprilia and Honda and falling slightly behind in direct comparison in terms of specifications.

In conclusion, the BMW S 1000 R 2021 and the BMW S 1000 RR 2020 have several similarities in terms of their technical specifications, but also some differences in power, torque, and additional features. They both have their strengths and weaknesses, with the S 1000 R praised for its powerful engine and comfortable ergonomics, and the S 1000 RR praised for its linear power delivery and advanced electronic package.