The invention provides an automobile electronic water pump. The automobile electronic water pump comprises a volute, an impeller, a shaft, a guide bearing, a rotor and a motor; the volute is connectedwith the motor and provided with a containing cavity, the impeller and the guide bearing are both located in the containing cavity, one end of the shaft is connected with the motor, and the other endof the shaft is connected with the guide bearing; the impeller and the rotor are arranged on the shaft in a sleeving mode separately, the impeller is located between the guide bearing and the rotor,and one end of the impeller is connected with the rotor; and the impeller is provided with a front cover plate, a sealing ring is arranged on the side, far away from the rotor, of the front cover plate, an annular groove is formed in the inner wall of a cavity body of the containing cavity, and the sealing ring is connected with the annular groove in a matched mode. According to the automobile electronic water pump, the leakage losses of a front pump cavity can be reduced, the volume efficiency of the automobile electronic water pump can be improved, and then the overall efficiency of the automobile electronic water pump can be effectively improved.