BMW S 1000 RR 2017 vs. BMW S 1000 R 2021

The BMW S 1000 RR model year 2017 and the BMW S 1000 R model year 2021 are both powerful motorcycles from BMW, but they have some notable differences.

Starting with the technical specifications, both bikes have an inline engine with the same bore and stroke measurements. However, the S 1000 RR 2017 has a higher power output of 199 HP compared to the S 1000 R 2021, which has 165 HP. The torque is also higher in the S 1000 RR 2017 at 113 Nm compared to 114 Nm in the S 1000 R 2021. The compression ratio is slightly higher in the S 1000 RR 2017 at 13 compared to 12.5 in the S 1000 R 2021. Both bikes have a fuel injection system, liquid cooling, and a displacement of 999cc.

In terms of suspension, both bikes have a telescopic fork at the front and a swingarm at the rear. The chassis is made of aluminum and has a double tube frame. The front brakes are dual disc with four-piston calipers and radial technology. The tire dimensions are the same for both bikes, with a width of 120mm at the front and 190mm at the rear, and a diameter of 17 inches.

BMW S 1000 RR 2017

Moving on to the dimensions and weights, the S 1000 RR 2017 has a slightly shorter wheelbase of 1438mm compared to 1450mm in the S 1000 R 2021. The seat height is higher in the S 1000 R 2021 at 830mm compared to 815mm in the S 1000 RR 2017. The curb weight is also lower in the S 1000 R 2021 at 199kg compared to 208kg in the S 1000 RR 2017. Both bikes have a fuel tank capacity of around 17 liters.

Now let's discuss the strengths and weaknesses of each bike. The S 1000 RR 2017 has the advantage of being equipped with full electronic equipment and high-quality features. It has a strong and easily controllable engine, and a comfortable seating position even for taller riders. The chassis performs well both on the road and on trackdays.

On the other hand, the S 1000 R 2021 also has a powerful engine and good brakes. It offers comfortable ergonomics and optional high-performance extras, although they come at a high price. The bike is simple to operate but still provides fast performance, making it an excellent all-rounder.

BMW S 1000 R 2021

In terms of weaknesses, the S 1000 RR 2017 may experience brake fade under heavy load on the track. Its driving quality is sufficient for the track but not good enough for racing. Additionally, some riders may find its appearance to be a bit dull, despite being technically up-to-date.

As for the S 1000 R 2021, its gear lever is good but not perfect, and the sound can still be somewhat intrusive. There are also some vibrations in the handlebars.

In conclusion, the BMW S 1000 RR 2017 and the BMW S 1000 R 2021 are both impressive motorcycles with their own strengths and weaknesses. The S 1000 RR 2017 offers a more powerful engine and a comfortable seating position, while the S 1000 R 2021 provides a versatile riding experience with its powerful engine and comfortable ergonomics.