Published 1979 GMC vehicle records and document readings. Year and make follow the recorded identity or stated source attribution; each linked record explains its evidence and unresolved questions.
An entry is not proof of originality, rarity or special-edition status. Document readings do not authenticate a physical truck or its present equipment.
Document readings
These links open the relevant record within a published document page. Source-attributed years and any conflicts remain as described there.
- 1979 GMC Sierra Grande stepside: six-cylinder and manual-transmission label – TCD149J517590
- 1979 GMC — TCS249F708368: document record