In your car’s history report is brings out alot of things you can use to make sure the car they are trying to sell you and the exact parts are there. The VIN number is likened to the car’s DNA because it tells you alot of information about your car’s make up. In a VIN report you can find out if the engine in the car your being sold is the same one that came with that exact car (if not the engine was replaced) it will tell you the dimensions of the car and other vital information. You can use this to check to see if the car was salvaged!