This is not easy to define. Generally speaking, the door can be replaced if it is broken by more than five centimeters. If the deformation area reaches more than 70%, it can be replaced, but the degree of deformation will depend on the degree of deformation. Look at the picture. Your car door is not deeply deformed and has a large area, which is easy to repair.

Under normal circumstances, the traffic police will divide the responsibilities according to the on-site situation and make corresponding compensation according to the responsibility certificate produced by the traffic police. The specific amount involved needs to be combined with the actual situation.

Extended data:

"Road traffic accident handling procedures" sixtieth:

The traffic administrative department of the public security organ shall determine the responsibility of the parties according to the role played by their actions in road traffic accidents and the severity of their faults.

(a) due to the fault of one party caused by road traffic accidents, take full responsibility;

(2) If a road traffic accident occurs due to the fault of two or more parties, they shall bear the primary responsibility-equal responsibility and secondary responsibility respectively according to the role played by their actions in the accident and the severity of the fault;

(3) The parties are not at fault for causing road traffic accidents. If it is a traffic accident, neither party is responsible. If one party intentionally causes a road traffic accident, the other party shall not bear the responsibility.