BMW S 1000 RR 2023 vs. BMW M 1000 RR 2021

The BMW S 1000 RR model year 2023 and the BMW M 1000 RR model year 2021 are both powerful supersport motorcycles with impressive technical specifications. However, there are some notable differences between the two models.

In terms of engine and drive train, both motorcycles have the same in-line engine type with a bore of 80 mm and a stroke of 49.7 mm. They also have the same engine power of 210 HP and torque of 113 Nm. The compression ratio of the S 1000 RR 2023 is 13.3, while the M 1000 RR 2021 has a slightly higher compression ratio of 13.5. Both motorcycles have a throttle bore of 48 mm, four cylinders, and four valves per cylinder with DOHC technology. The displacement of both models is 999 ccm.

When it comes to suspension, both motorcycles feature upside-down telescopic forks at the front with a diameter of 45 mm. The suspension at the rear is a swing arm with a monoshock absorber. Both suspensions offer adjustment options for compression, preload, and rebound. The rear suspension is made of aluminum for both models.

In terms of chassis, both motorcycles have an aluminum frame with a twin-tube design that acts as a load-bearing engine. They also have the same rake angle of 66.4 degrees and trail of 99.8 mm.

BMW S 1000 RR 2023

The braking system for both motorcycles consists of double disks at the front with a diameter of 320 mm. The brakes are hydraulic and use radial technology.

Both the S 1000 RR 2023 and the M 1000 RR 2021 come equipped with advanced rider assistance systems such as ABS, riding modes, launch control, ride by wire, quickshifter, and traction control.

In terms of dimensions and weights, both motorcycles have the same front tire width of 120 mm and front tire diameter of 17 inches. However, the M 1000 RR 2021 has a slightly wider rear tire width of 200 mm compared to the 190 mm of the S 1000 RR 2023. Both motorcycles have a rear tire diameter of 17 inches. They also have the same wheelbase of 1457 mm and fuel tank capacity of 16.5 liters. The seat height of the S 1000 RR 2023 is 824 mm, while the M 1000 RR 2021 has a slightly higher seat height of 832 mm. The dry weight of the S 1000 RR 2023 with ABS is 175 kg, while the M 1000 RR 2021 is slightly lighter at 170 kg. The kerb weight of the S 1000 RR 2023 with ABS is 197 kg, while the M 1000 RR 2021 is slightly lighter at 192 kg.

BMW M 1000 RR 2021

In terms of equipment, both motorcycles come with LED headlights. The S 1000 RR 2023 also features a TFT display.

In terms of strengths, the S 1000 RR 2023 is praised for its very good electronics or control systems, good feedback, and good stability. On the other hand, the M 1000 RR 2021 is commended for its smooth overall package, strong brakes, precise chassis, and noble details that are a joy to behold in the paddock. It is also noted for its great responsiveness, rev-happy engine, great torque curve, and harmonious transition from load to push mode.

In terms of weaknesses, the S 1000 RR 2023 is mentioned to have engine vibrations. The M 1000 RR 2021 is criticized for its price package not being customer-friendly but sales-friendly. It is also suggested that the footrests could do with more grip on the track and a higher and harder seat option would be desirable.

Overall, both the BMW S 1000 RR 2023 and the BMW M 1000 RR 2021 are high-performance motorcycles with impressive features and capabilities. The choice between the two would depend on individual preferences and priorities.