A vehicle may include a plurality of seats including at least one front seat provided with a driver seat and at least one back seat located behind the front seat, an authentication module configured to perform authentication of a user, and a controller configured to provide a connected vehicle service according to whether authentication is completed by the authentication module, wherein the controller determines whether the user is accommodated on the back seat, and controls the authentication module to perform authentication of the connected vehicle service executable in the back seat on the basis of the determined result.