BMW S 1000 R 2021 vs. BMW F 900 R 2020

The BMW S 1000 R 2021 and the BMW F 900 R 2020 are both naked bikes from BMW, but they have several differences in terms of technical specifications and strengths.

Starting with the engine and drivetrain, the BMW S 1000 R 2021 is equipped with a more powerful engine compared to the BMW F 900 R 2020. The S 1000 R has an in-line 4-cylinder engine with a displacement of 999cc, producing 165 HP of power and 114 Nm of torque. On the other hand, the F 900 R has a 2-cylinder engine with a displacement of 895cc, generating 105 HP of power and 92 Nm of torque. This makes the S 1000 R more suitable for riders looking for higher performance and power.

In terms of suspension, both bikes have upside-down telescopic forks in the front and swing arm suspension with a monoshock in the rear. However, the S 1000 R offers additional adjustments for compression, preload, and rebound in the rear suspension, providing more customization options for riders.

BMW S 1000 R 2021

The chassis of the S 1000 R is made of aluminum, while the F 900 R has a steel frame. The aluminum frame of the S 1000 R offers a lighter weight and better handling compared to the steel frame of the F 900 R.

Both bikes have double disk brakes in the front with a diameter of 320 mm and four pistons. The braking technology is radial, ensuring efficient and reliable braking performance for both models.

In terms of advanced rider assistance systems, the S 1000 R 2021 offers a more comprehensive range of features compared to the F 900 R 2020. The S 1000 R includes ABS, hill start assist, riding modes, cornering ABS, ride by wire, traction control, and anti-wheelie. On the other hand, the F 900 R only includes ABS and anti-slipping control.

BMW F 900 R 2020

When it comes to dimensions and weights, the F 900 R has a slightly longer wheelbase of 1518 mm compared to the 1450 mm of the S 1000 R. The seat height of the F 900 R is also slightly lower at 815 mm, while the S 1000 R has a seat height of 830 mm. The F 900 R has a smaller fuel tank capacity of 13 liters, while the S 1000 R has a larger capacity of 16.5 liters.

In terms of strengths, the S 1000 R 2021 is praised for its powerful engine, good brakes, comfortable ergonomics, and high-performance optional extras. It is also considered a great all-rounder, suitable for various riding styles. On the other hand, the F 900 R 2020 is commended for its easy handling, high stability, well-behaved engine, and brakes without any issues. It also has an active yet bearable seating position and an extensive list of accessories.

However, both models have their weaknesses. The S 1000 R's quickshifter is considered good but not perfect, and the sound can still be a bit intrusive. Some riders also experience vibrations in the handlebars. The F 900 R's main weakness is its small fuel tank capacity of 13 liters, which may require more frequent refueling. Overall, both bikes offer unique features and strengths, catering to different rider preferences and needs.