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Peugeot 508 RXH in the driving report: juice and power in sport mode

Arturo Rivas
Peugeot 508 RXH in the driving report
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A wherever you would think of the best names for it - Peugeot calls the higher-level 508 station wagon with diesel hybrid completely emotionless Peugeot 508 RXH. The French want to use it not only to enter rough terrain, but also to enter two market niches: that of the robust lifestyle mobile and that of a low-emission hybrid. The latter is also responsible for the all-wheel drive, which does not work permanently, but only when the electric motor is active.

Which brings us to the heart of the hybrid issue. The PSA group combines the well-known, 163 hp two-liter diesel with a 37 hp electric motor. The combustion engine pulls in front, the electric motor integrated in the rear axle module pushes from the aft. There is no direct mechanical connection between the two, a high-current cable is sufficient. The Peugeot 508 RXH passes on the 300 Newton meters of diesel via an automated manual transmission with six gears. This sometimes leads to a slight nod when shifting gears.

40 millimeter wider track, 50 millimeters more ground clearance

I agree The Peugeot 508 RXH should reap a nod from all fans of discreet noble offroaders. Peugeot spices up the look of the station wagon, which rolls on 18-inch wheels and is 50 millimeters higher, with a 40 millimeter wider track and all-round matt gray protectors plus stainless steel underride protection at the front and rear. Almost in contrast are the efforts of the hybrid to reduce consumption. It works as a parallel system, i.e. the two motors act independently of each other depending on the purpose. This can be predetermined using a rotary switch on the center console.

With us, the Peugeot 508 RXH drives as economically as possible, the NEDC consumption is 4.1 L /100 km. It hums purely electrically up to 70 km /h, depending on the state of charge of the nickel-metal hydride battery from Sanyo with a gross capacity of 5.5 Ah. If this is over 50 percent, the 1.8-ton truck hums up to four kilometers in 'ZEV' mode and electrically at a maximum speed of 60 km /h. The diesel only switches on gently when you want to accelerate. The start-stop system in the Peugeot 508 RXH works just as well. Both engines work in “4WD”, at low speeds up to 40 percent of the system torque goes to the rear axle.

Peugeot 508 RXH with 450 Newton metersSystem torque

And when the battery is empty? The starter generator of the Peugeot 508 RXH acts as a dynamo and supplies the electric motor with juice. Juice and power - keyword for the sport mode, in which Hybrid4 gives everything. Everything means a system torque of 450 Newton meters, which results from the 300 Nm of the diesel and the short-term up to 200 Nm of the electric motor. This ensures a full punch and 8.5 seconds for the sprint to 100 km /h before the electric motor fades out at 120 km /h. The magic can be read on a large round instrument for the power output as well as two other displays that illustrate the power flows.

The Peugeot 508 RXH suggests a relaxed driving style, although its rolling comfort suffers from the large wheels. The electro-hydraulic steering acts precisely with the right support. The trunk volume of the clean and high-quality processed RXH is just under 400 liters due to the hybrid technology, when the rear seat backrests are folded down this results in 1,360 liters.

Overall, the Peugeot 508 RXH offers the usual mid-range space and a lavish level of equipment. The basic price of 41,900 euros includes a navigation system, panoramic glass roof and electrically adjustable comfort seats at the front. For a surcharge there is also a WLAN box - for everyone who would like to share their driving and savings experiences on board the chic diesel hybrid with their network buddies.


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