After major accidents or fatal crashes, cars are usually unsalvageable. It means, it is uneconomical to repair the car. In other words, it would cost more to repair the damaged car than the car worth itself. So, what usually insurance companies do after a car crash, either they replace the car with the equal value one, or payout the owner the pre-accident value of the car and take the ownership. Afterward, they sell the scrap car to the salvage yards to repair, part out, scrap or auction it off.