General Motors VIN Decoder
A General Motors 17 digit VIN Number can be broken down into three groups of numbers:
Digits 1, 2 and 3 of a VIN number represent the World Manufacturer Identifier (WMI).
Digits 4 to 9 represent the Vehicle Descriptor Section or VDS.
Digits 10 to 17 represent the Vehicle Identifier Section - VIS.
A recently decoded General Motors VIN Number by this webiste is listed below:
GMC, 2003, WMI: 1GT, Checkdigit: Valid