A VIN decoder breaks down the 17-digit unique identifier (VIN) to extract information such as where the car was manufactured (country, plant, etc.), the engine type, the model year, and other details. For example, the first three numbers represent the World Manufacturer Identifier (WMI) and can tell you the vehicle manufacturer and the country of origin. Numbers 4 through 9 are called the vehicle descriptor section or the vehicle identifier section. This area tells you the vehicle specifications, such as the engine size and type, the body style, the assembly plant, and the model year.