1. Design and Engineering:
* Conceptual Design: This initial phase involves sketching, computer-aided design (CAD), and simulations to determine the car's overall shape, size, features, and performance goals. Aerodynamics, safety, and manufacturing feasibility are all considered.
* Detailed Design: Each component of the car is designed in detail, including the engine, transmission, chassis, body panels, interior, electronics, and safety systems. This involves creating blueprints and specifications for every part.
* Prototyping: Physical prototypes are built and tested extensively to verify designs, identify flaws, and refine performance. This involves crash testing, durability testing, and performance evaluations.
2. Manufacturing:
* Sourcing and Procurement: A massive supply chain is involved in obtaining raw materials (steel, aluminum, plastics, rubber, electronics components, etc.) and various sub-assemblies from numerous suppliers.
* Body Manufacturing: This typically involves stamping large sheets of metal into the car's body panels using giant presses. These panels are then welded together to form the car's shell. Some manufacturers use advanced techniques like aluminum casting or carbon fiber composites.
* Powertrain Manufacturing: Engines, transmissions, and other powertrain components are manufactured separately, often using specialized machining and assembly processes.
* Chassis and Suspension Assembly: The chassis (the car's frame) is assembled, along with the suspension system, brakes, and steering components.
* Interior Assembly: The seats, dashboard, door panels, and other interior components are installed. This is often done on a moving assembly line.
* Final Assembly: All the components are brought together on a main assembly line. The body is married to the chassis, the powertrain is installed, the interior is completed, and the vehicle is wired up.
* Quality Control: Rigorous quality control checks are conducted throughout the entire manufacturing process to ensure that the car meets all specifications and safety standards.
* Testing and Inspection: Before delivery, each car undergoes a series of final tests and inspections to ensure proper functionality and performance.
3. Distribution and Sales:
* Shipping: Completed cars are transported to dealerships and distribution centers.
* Sales and Marketing: The car is marketed and sold to consumers.
Simplified Analogy: Think of building a car like building a very complex LEGO set. You need detailed instructions (design), many different types of LEGO bricks (parts from suppliers), and a methodical process of assembling those bricks (manufacturing) to create the final product (the car).
This is a very high-level overview. Each stage involves countless specialized processes, skilled workers, sophisticated machinery, and complex logistics. The specifics vary significantly between manufacturers and models.