External air-inlet grille and automobile

The invention relates to the technical field of automobile accessories, and provides an external air inlet grille and an automobile, the external air inlet grille comprises a grille main body, an air inlet is formed in the grille main body, appearance blades, a driving piece, a transmission connecting rod and a self-locking assembly are further arranged on the grille main body, and the self-locking assembly is provided with a driving rod, a warping plate and a sliding lock; when the driving piece drives the appearance blade to be in a fully-closed position at the air inlet through the transmission rod, the driving rod movably abuts against the warping plate and pushes the warping plate, so that one end of the warping plate pushes the sliding lock, the sliding lock abuts against the transmission connecting rod tightly, self-locking is achieved, and under the situation that the air inlet needs to be opened during operation of a vehicle, the driving piece drives the driving rod to relieve thrust on the warping p