GKK ◑ Single-source

GMC · Regular Production Option

Paint, Supernova Metallic (Dark Blue)

Years 2024 Models 1

Query this via API →

Also documented for CadillacChevrolet

Documented applications

Hummer EV Pickup (2022–2027) →

• 2024 ◑ Single-source

  deleted for 2025; GM Authority 2025 changes page

This page aggregates every documented appearance of GKK in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.