Chinese firm's hybrid EV offers 1,274-mile range with 137 kW motor

The Roewe M7 plug-in hybrid electric vehicle (PHEV) from Chinese automaker SAIC represents a significant advancement in long-range hybrid technology. Designed by former Rolls-Royce chief designer Josef Kaban, the M7 boasts a remarkable CLTC-rated range of 1,274 miles, including 99 miles of pure electric driving. It utilizes SAIC’s fifth-generation DMH hybrid system, combining a 1.5-liter engine with a front electric motor and a 19.7 kWh lithium iron phosphate battery. The vehicle features a dedicated hybrid transmission and a 14.5-gallon fuel tank, optimizing both efficiency and extended travel capability. Performance-wise, the M7 delivers a balanced mix of power and fuel economy. The combustion engine produces 110 horsepower with 100 lb-ft of torque at a high thermal efficiency of 43%, while the electric motor adds 184 horsepower and 243 lb-ft of torque. This setup enables a top speed of 115 mph and