2024 GMC Sierra HD 1GT49XEY-R — group 1
918 vehicles sit in group 1 of this build. Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.
What 1GT49XEY-R means
- 1GT
- the World Manufacturer Identifier GMC registered — assembled in the United States
- 49XEY
- together encode the Sierra HD line — Pickup, 6.6L 8cyl, Four-wheel drive — as GMC filed it, these five characters are read as one block, not letter by letter
- R
- in position 10 — model year 2024
- 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.