Monthly and annual sales figures for the Seres SF5 in China. The SF5 is the first model of the Seres brand, and is available as a pure electric version and a version with a range extender. The SF5 pure electric has a 4-motor powertrain that produces 510 kW (684 hp) and 1.040 Nm of torque. It has a range of 500km (310 miles) and accelerates to 100 km/h in 3.5 seconds. The SF5 range extender has a 1.5-liter turbocharged gasoline engine with 150 hp linked to a 90-kW power generator and does not drive the wheels directly. Dimensions are 4.700/1.930/1.625mm with a wheelbase of 2.875mm.