A self-propelled passenger vehicle that usually has four wheels and an internal-combustion engine, used for land transport. Also called motorcar . adjective. Of or relating to automobiles; automotive. Origin of automobile.An Automobile is a self propelled vehicle which contains the power source for its propulsion and is used for carrying passengers and goods on the ground, such as car, bus, trucks, etc.,, Types of Automobile; The automobiles are classified by the following ways, The automobile can be considered to consist of five basic components : (a) The Engine or Power Plant : It is source of power. (b) The Frame and Chassis : It supports the engine, wheels, body, braking system, steering, etc. (c) The transmission which transmits power from the engine to the car wheels.Automobile is the most important part for the human life specially in European countries and other developed nations have the most automobiles to travel to and and from work to run errands,visit friends and to take vacations. ... The automobiles influences where people live and work and how they spend their time