What are the exterior parts of the vehicle?
A vehicle frame, also historically known as its chassis, is the main supporting structure of a motor vehicle to which all other components are attached, comparable to the skeleton of an organism.
What is the exterior body of a car called?
The average car has roughly 30,000 parts if you count all parts down to the nuts and bolts. If you consider large parts such as the engine as one part, you can say that a car has about 1,800 separate parts. The engine alone has thousands of individual parts inside it.