SAIC-owned Roewe has achieved a new Guinness World Record for the longest distance traveled by a Plug-in Hybrid Electric Vehicle (PHEV). With a full tank of fuel and a complete charge, the Roewe D7 DMH covered an impressive 2,208 kilometers, boasting an average fuel consumption of just 2.49 liters per 100 kilometers. The announcement was made on October 28, positioning Roewe alongside BYD, Geely, and Chery, all of which have developed PHEVs capable of exceeding a combined range of 2,000 kilometers.
The record-setting journey took place over four days, with the Roewe D7 DMH sedan traveling from Lanzhou to Urumqi. During this time, the vehicle passed through several notable locations, including Jiayuguan, Dunhuang, and Turpan. Turpan, known for its extreme temperatures, is often used by Chinese automakers for testing vehicles under hot conditions.
While specific details regarding the conditions of the route and testing have not been disclosed, there was a significant temperature variation of 30 degrees between day and night. The lowest temperature recorded during the journey was -8°C, and the elevation varied by 1,600 meters.
The Roewe D7 DMH has been available since November 2023, although it remains unclear whether the record was set with the current PHEV model or a new variant. According to information released with the record claim, the vehicle’s 1.5-liter engine achieves a thermal efficiency of 43% and features an ultra-high compression ratio of 16:1.
Moreover, the vehicle operates under the most fuel-efficient conditions over 85% of the time, optimizing its performance according to various driving conditions. The engine is naturally aspirated, generating a maximum power output of 82 kW and torque of up to 135 Nm.
The D7 DMH is equipped with a coaxial P1 drive unit, which simplifies the transmission by reducing the number of gears by two. Its gearbox consists of a single-speed DHT hybrid transmission. The front-mounted electric motor delivers a maximum power of 150 kW and can produce up to 330 Nm of torque, further enhancing the vehicle’s efficiency and performance.
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