Why the body frame of cars is plastic instead of hard body like older cars back in the days?


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Rooster Cogburn , Rooster Cogburn, answered

They aren't really " plastic " in the sense you mean. It's a mixture of materials and newer cars are Uni-Body now and are meant to collapse in ways to protect the driver and passengers from bodily harm. Old frame vehicles when in an accident always caused a lot of injuries. Cars nowadays are safer for people plus it makes them lighter and more fuel efficient.

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I disagree cowboy! There is something to be said for the older cars. They were solid as a rock and provided way more protection than newer lightweight unibodies. Auto manufacturers are so obsessed with cheaper production, lighter weight and better fuel economy, they tend to put safety on the backburner. They think by adding more airbags cars will be safer, when that's actually not always the case.

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