Why do cars no longer have bumpers?

Modern cars are gradually reducing or eliminating the design of traditional exposed bumpers, primarily due to technological advancements and enhanced safety standards. The body structure, incorporating high-strength steel and energy-absorbing designs, can now effectively disperse collision impacts and reduce reliance on bumpers. Meanwhile, pedestrian protection regulations have prompted automakers to adopt technologies like automatic emergency braking and pop-up hoods to replace the cushioning function of bumpers, thereby mitigating pedestrian injury risks. Aerodynamic optimization is another critical factor, as concealed or integrated designs can lower the drag coefficient and improve fuel efficiency by approximately 3%-5%. Certain off-road models, like the Toyota Hilux, retain exposed steel bumpers to meet functional requirements, exemplifying a market strategy of design differentiation.