BMW S 1000 RR 2020 vs. BMW HP4 RACE 2017

The BMW S 1000 RR 2020 and the BMW HP4 RACE 2017 are both high-performance supersport motorcycles from BMW. While they share some similarities in terms of their technical specifications, there are also notable differences between the two models.

Starting with the engine and drivetrain, both motorcycles feature an inline-four engine with a displacement of 999cc. They have the same bore and stroke measurements of 80mm and 49.7mm, respectively. However, the BMW HP4 RACE has a slightly higher power output of 215 HP compared to the BMW S 1000 RR's 207 HP. The HP4 RACE also has a higher torque rating of 120 Nm, compared to the S 1000 RR's 113 Nm. Both motorcycles have a DOHC valve configuration with four valves per cylinder.

In terms of suspension, both motorcycles feature a telescopic upside-down fork at the front and a swingarm with a monoshock at the rear. The suspension on both models is adjustable for compression, preload, and rebound. The HP4 RACE has an aluminum rear suspension, while the S 1000 RR's rear suspension material is not specified.

BMW S 1000 RR 2020

When it comes to the chassis, the HP4 RACE features a carbon frame, while the S 1000 RR has an aluminum frame. The HP4 RACE also has a monocoque type frame, which provides additional rigidity and weight savings. The rake and trail measurements are slightly different between the two models, with the HP4 RACE having a rake of 65.5 degrees and a trail of 102.5mm, compared to the S 1000 RR's rake of 66.9 degrees and a trail of 93.9mm.

Both motorcycles are equipped with dual disc brakes at the front, with a diameter of 320mm. The braking system is hydraulic and features radial technology on both models. The HP4 RACE also has monoblock calipers, which provide enhanced braking performance.

In terms of advanced rider assistance systems, both motorcycles feature ABS, multiple riding modes, launch control, quick shifters, and traction control. The HP4 RACE also includes an anti-wheelie system, which helps prevent the front wheel from lifting during acceleration.

BMW HP4 RACE 2017

In terms of dimensions and weights, both motorcycles have the same front tire width of 120mm and diameter of 17 inches. However, the HP4 RACE has a wider rear tire width of 200mm, compared to the S 1000 RR's 190mm. The HP4 RACE also has a slightly shorter wheelbase of 1440mm, compared to the S 1000 RR's 1441mm. The seat height is lower on the HP4 RACE at 816mm, compared to the S 1000 RR's 824mm. The HP4 RACE is also lighter, with a curb weight of 171.4kg, compared to the S 1000 RR's 197kg (both weights include ABS).

In terms of fuel capacity, the HP4 RACE has a slightly larger fuel tank with a capacity of 17.5 liters, compared to the S 1000 RR's 16.5 liters.

In summary, both the BMW S 1000 RR 2020 and the BMW HP4 RACE 2017 are high-performance supersport motorcycles with impressive technical specifications. The HP4 RACE offers slightly higher power and torque, a carbon frame, monoblock calipers, and a lower weight. However, the S 1000 RR offers a more affordable option with a wider range of riding capabilities and a larger fuel tank. Ultimately, the choice between the two models will depend on the rider's preferences and intended use.