Paint, Nightfall Gray

Years 2017–19, 2021 Models 2 Factory citations 4

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Also described as Nightfall Gray Metallic

Also documented for Buick

Documented applications

Spark — M400 (2016–2022)

2017–2019 Factory-verified

metallic; new for 2017; 2018 from GM's 2018 order guide

GM factory document — 2017 chevrolet spark order guide copy gm authority, p.22.
GM factory document — 2018 chevrolet spark order guide copy gm authority, p.30.
GM factory document — 2019 chevrolet spark order guide copy gm authority, p.30.
2021 Single-source

metallic; GM Authority 2021 Spark exterior colors page (does not credit GM)

Trax — first US generation (2015–2022)

2018 Factory-verified

retail orders only, not on LS; the code vehicles built off-shore carry in place of G7Q; the guide mentions GK2 only in the off-shore footnote to Nightfall Gray Metallic ('Vehicles produced off-shore will reflect option (GK2)'), not as a colour row of its own

GM factory document — 2018 chevrolet trax order guide copy gm authority, p.24.

This page aggregates every documented appearance of GK2 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.