The length of time it takes to heal from a car accident injury ultimately depends on the severity and type of injury sustained in the accident. As such, healing could take anywhere from one week to several years. That said, the average amount of time it takes for victims of an auto accident to heal from their injuries is between two to six weeks. While we cannot guarantee that you will heal from your injury in that amount of time, we will do our best to help you heal from any injuries suffered from a car accident as thoroughly and soon as possible.