2021 GMC Sierra 3GTP8DED-M — group 18
17 vehicles sit in group 18 of this build. Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.
What 3GTP8DED-M means
- 3GT
- the World Manufacturer Identifier GMC registered — assembled in Mexico
- P8DED
- together encode the Sierra line — Pickup, 5.3L 8cyl — as GMC filed it, these five characters are read as one block, not letter by letter
- M
- in position 10 — model year 2021
- 9, 11–17
- vehicle-specific fields: check digit, plant code and production sequence
Vehicles in this group
17 vehicles in this group, in fixed VIN order.
-
3GTP8DED
7MG278261
- 3GTP8DED 8MG117501
-
3GTP8DED
6MG171556
-
3GTP8DED
1MG256885
-
3GTP8DED
XMG359643
-
3GTP8DED
5MG246750
- 3GTP8DED 7MG208520
-
3GTP8DED
5MG424222
-
3GTP8DED
3MG317587
- 3GTP8DED 6MG138606
-
3GTP8DED
6MG444883
-
3GTP8DED
3MG151054
-
3GTP8DED
7MG404974
-
3GTP8DED
1MG372586
-
3GTP8DED
4MG236260
- 3GTP8DED 5MG203557
- 3GTP8DED 8MG236388









