Paint, Ebony Twilight Metallic

Years 2017–19 Models 2 Factory citations 4

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Also described as Ebony Twilight Metallic

Also documented for Cadillac Chevrolet

Documented applications

Cascada — Delta II (2016–2019)

2017–2019 Factory-verified

2017–2018: 1SP only, premium paint; 2019: not on 1SV, requires PI3 on 1SH; new for 2017 (GM Authority's 2017 page)

GM factory document — 2017 buick cascada order guide copy gm authority, p.16.
GM factory document — 2018 buick cascada order guide copy gm authority, p.17.
GM factory document — 2019 buick cascada order guide copy gm authority, p.17.

Regal — E2XX (2018–2020)

2019 Factory-verified

2019: premium paint (2019 Sportback order guide)

GM factory document — 2019 buick regal sportback order guide copy gm authority, p.32.

This page aggregates every documented appearance of GB9 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.