Mosaic Black Metallic

Years 2017–21, 2025–27 Models 4 Factory citations 12

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Also described as Paint, Mosaic BlackPaint, Mosaic Black 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)

Trailblazer — First generation, VSS-F (2021–2027)

2025–2027 Factory-verified

touch-up paint WA-506B; all trims; roof options J36 or J50 on RS, J33 or PDR on ACTIV

GM factory document — 2025 chevrolet trailblazer fleet order guide, p.30.
GM factory document — 2026 chevrolet trailblazer fleet order guide, p.30.
GM factory document — 2027 chevrolet trailblazer limited fleet order guide, p.32.

Trax — first US generation (2015–2022)

2018–2019 Factory-verified

the code vehicles built off-shore carry in place of GB8; the guides print GB0 only in the Midnight Edition (WJP) line and in the colour-page footnote 'Vehicles produced off-shore will reflect option (GB0)', not as a colour row of its own

GM factory document — 2018 chevrolet trax order guide copy gm authority, p.9.
GM factory document — 2018 chevrolet trax order guide copy gm authority, p.24.
GM factory document — 2019 chevrolet trax order guide copy gm authority, p.9.
GM factory document — 2019 chevrolet trax order guide copy gm authority, p.24.
2020 Single-source

GM Authority's 2020 changes page says Mosaic Black Metallic changed from GB8 to GB0 for 2020; no GM document read

Trax — Second generation, VSS-F (2024–2026)

2025–2026 Factory-verified

all trims; touch-up paint number WA-506B

GM factory document — 2025 chevrolet trax fleet order guide, p.31.
GM factory document — 2026 chevrolet trax fleet order guide, p.32.

This page aggregates every documented appearance of GB0 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.