A vehicle control apparatus of an autonomous driving vehicle performing autonomous driving includes a display, a wireless communication unit transmitting and receiving a message to and from a certain vehicle positioned within a predetermined range, and a controller controlling the display on the basis of a message received through the wireless communication unit, wherein the controller turns on or off a group driving mode on the basis of a user input, and when the group driving mode is turned on, the controller controls the display to display a list of candidate vehicles which may be included in a group among vehicles positioned within the predetermined range.