2004 GMC Sierra 2GTEC13T-4 — group A

21 vehicles sit in group A of this build. Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.

What 2GTEC13T-4 means

2GT
the World Manufacturer Identifier GMC registered — assembled in Canada
EC13T
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
4
in position 10 — model year 2004
9, 11–17
vehicle-specific fields: check digit, plant code and production sequence

Vehicles in this group

21 vehicles in this group, in fixed VIN order.

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