2007 GMC Sierra 1GTHK29U-7 — all VINs
275 vehicles carry this factory build. Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.
What 1GTHK29U-7 means
- 1GT
- the World Manufacturer Identifier GMC registered — assembled in the United States
- HK29U
- together encode the Sierra line — Pickup, 6L 8cyl, Four-wheel drive — as GMC filed it, these five characters are read as one block, not letter by letter
- 7
- in position 10 — model year 2007
- 9, 11–17
- differ on every car: check digit, plant code and the serial number
Groups
Too many vehicles to list on one page, so they are split by the next character of a fixed code derived from the VIN. Each group keeps its cars for good.