A range extender vehicle includes: a turboshaft engine, a turboshaft engine controller, a generator, a battery pack, a battery controller, driving motors, a battery heat radiator, and a gasholder. A signal end of the turboshaft engine is connected to the turboshaft engine controller. A transmission shaft of the turboshaft engine is connected to a rotatory shaft of the generator. The generator outputs electric energy to the battery pack and the driving motor respectively. The battery pack and the driving motor are connected together and are connected to the battery controller at the signal end. The transmission shaft of the driving motor is connected to the wheel.