BMW M 1000 RR 2021 vs. BMW HP4 RACE 2017

The BMW M 1000 RR 2021 and the BMW HP4 RACE 2017 are both high-performance supersport motorcycles from BMW. They share many similarities in terms of their technical specifications, but there are also some notable differences between the two models.

Starting with the similarities, 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. The power output of the M 1000 RR is 212 HP, while the HP4 RACE produces slightly more power at 215 HP. Both bikes have a high torque output, with the M 1000 RR producing 113 Nm and the HP4 RACE producing 120 Nm. Both models also have a high compression ratio, with the M 1000 RR at 13.5 and the HP4 RACE at 13.7.

In terms of suspension, both motorcycles feature a telescopic fork at the front and a monoshock at the rear. The suspension on both models is fully adjustable for compression, preload, and rebound. The rear suspension on both bikes is made of aluminum, providing lightweight and responsive handling.

When it comes to the chassis, the M 1000 RR has an aluminum frame with a double-tube design, while the HP4 RACE features a carbon fiber monocoque frame. The HP4 RACE's carbon fiber frame contributes to its lower weight compared to the M 1000 RR. The rake angle and trail measurements are slightly different between the two models, with the HP4 RACE having a rake angle of 65.5 degrees and a trail of 102.5mm, while the M 1000 RR has a rake angle of 66.4 degrees and a trail of 99.8mm.

BMW M 1000 RR 2021

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

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

In terms of dimensions and weights, both motorcycles have the same tire sizes, with a 120mm width at the front and a 200mm width at the rear. The wheel diameters are also the same at 17 inches. The M 1000 RR has a slightly longer wheelbase at 1457mm compared to the HP4 RACE's 1440mm. The seat height of the M 1000 RR is higher at 832mm compared to the HP4 RACE's 816mm. The dry weight of the M 1000 RR is 170kg with ABS, while the HP4 RACE is significantly lighter at 146kg with ABS.

BMW HP4 RACE 2017

In terms of fuel capacity, the HP4 RACE has a slightly larger fuel tank with a capacity of 17.5 liters, while the M 1000 RR has a fuel tank capacity of 16.5 liters.

In terms of strengths, the M 1000 RR has a smooth overall package, strong brakes, precise chassis, and high responsiveness. The HP4 RACE excels in engine performance and configuration, fantastic braking performance, and its low weight can be felt in all riding situations.

In terms of weaknesses, the M 1000 RR's pricing package may not be favorable to customers, and the foot pegs could have better grip on the track. The HP4 RACE has higher maintenance costs compared to conventional motorcycles, and the braking system may require careful control to avoid damage.

In conclusion, both the BMW M 1000 RR 2021 and the BMW HP4 RACE 2017 are high-performance motorcycles with impressive technical specifications. They offer similar features in terms of engine power, suspension, and advanced rider assistance systems. However, there are differences in their chassis design, weight, and some additional features. Ultimately, the choice between the two models will depend on the rider's preferences and priorities.