Why is the front bumper of the car plastic?
For maintenance convenience, if accidentally knocked out, replace plastic bumpers, than the metal to a lot cheaper.
In order to protect pedestrians on the road, in case of collisions with pedestrians, the impact of plastic smaller than the metal, will not cause excessive harm to pedestrians;
The front bumper is made of plastic to lighten the weight of the car, the greater the load, the more fuel it will consume;