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What Are Car Bodies Made Of?

by George Reece

When deciding what to make their cars from, manufacturers have to take many things into account, including cost, weight and durability. Different materials have different properties and so are useful for different types of car.

Steel and Aluminum

Most cars intended for mass production and consumer use have bodies made from either steel or aluminum. Both are strong metals, but steel is cheaper than aluminum. Aluminum, however, is lighter and does not rust, and so is used for more expensive luxury and performance models than steel.


Plastics are being used more frequently in modern car manufacturing. Cars like the Chrysler CCV are made with all plastic bodies with a mind to fuel economy, as well as recycling when the car comes to the end of its workable life. Plastic is also easy to work, and repairs to plastic body panels are cheap.

Carbon Fiber

Carbon fiber is very light and very strong, meaning that fast cars can get the best out of their engines. It is also expensive, however, and so is primarily used in high-end sports and racing cars.

About the Author

George Reece began writing professionally in 2007 as a music critic at the "Leeds Student" newspaper. He holds a Bachelor of Arts in philosophy from the University of Leeds and A-levels in music, theater studies and English literature.

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