The external parts of a car have unique functions to the entire car system. Some automobile manufacturers designed the external parts of their vehicles with the aim to fulfill a specific function, but some manufacturers might just add some of the parts just for aesthetic purposes. Here are some parts of the outside of a car, you have the deckle, hood, rims, roof rack, doors, bumper grille, fender, cowl screen, decklid, and trunk. You can also include the windshield, sunroofs, and windows.