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Hummer VIN Decoder

The Hummer began as the civilian version of the military Humvee in 1992. General Motors bought the brand in 1999, added the H2 and H3, and closed it in 2010.

Reading a Hummer VIN

What do the first three characters of a Hummer VIN mean?

The Hummer is unusual because two companies built it. The original H1 came from AM General and begins 137, while the GM-era H2 and H3 begin 5GR and 5GT.

What each of the 17 positions means

The 17 positions137 …
  • 1–3Manufacturer
  • 4–8Vehicle details
  • 9Check digit
  • 10Model year
  • 11Plant
  • 12–17Serial number
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