SAIC-owned Roewe has set a new Guinness World Record for the longest distance covered by a plug-in hybrid electric vehicle (PHEV) with its D7 DMH sedan. The vehicle achieved an impressive 2,208 kilometers (1,372 miles) on a single tank of fuel and full battery charge, showcasing the advanced capabilities of Chinese hybrid technology.
Record-Breaking Journey
Details of the Roewe D7 DMH's achievement:
- Journey from Lanzhou to Urumqi over four days
- Passed through Jiayuguan, Dunhuang, and Turpan
- Covered 2,208 kilometers without refueling or recharging
- Average fuel consumption of 2.49 liters per 100 kilometers
Challenging Conditions
The record attempt faced various environmental challenges:
- Temperature difference of 30 degrees between night and day
- Lowest temperature encountered: -8°C
- Altitude difference of 1,600 meters along the route
Powertrain Specifications
The Roewe D7 DMH features an advanced hybrid system:
- 1.5-liter naturally aspirated engine with 43% thermal efficiency
- Engine output: 82 kW (110 hp) and 135 Nm of torque
- Front electric motor: 150 kW (201 hp) and 330 Nm of torque
- 1-speed DHT hybrid transmission
- Ultra-high compression ratio of 16:1
Vehicle Dimensions
The Roewe D7 DMH's size:
- Length: 4,890 mm
- Width: 1,890 mm
- Height: 1,510 mm
- Wheelbase: 2,810 mm
Market Implications
This achievement has significant implications:
- Joins BYD, Geely, and Chery in the 2000+ km PHEV range club
- Showcases advancements in Chinese PHEV technology
- Potential impact on global hybrid vehicle market
- May lead to increased interest in Roewe and MG branded vehicles internationally
The Roewe D7 DMH's world record demonstrates the rapid progress of Chinese automotive technology in the plug-in hybrid segment. As SAIC expands its presence in global markets through brands like Roewe and MG, this achievement could significantly boost the company's reputation and competitiveness in the international automotive landscape.
