Suspension, rear, 4-link

Years 2015–16, 2018–19 Models 4 Factory citations 6

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Also described as Suspension, rear 4-link

Also documented for Chevrolet

Documented applications

Envision — D2XX, imported from China (2016–2020)

2018–2019 Factory-verified

all trims: S

GM factory document — 2018 buick envision order guide copy gm authority, p.6, p.20.
GM factory document — 2019 buick envision order guide copy gm authority, p.7, p.24.

LaCrosse — Epsilon II, 2nd gen (2010–2016)

2015 Factory-verified

2015: 1SV, 1SB, 1SL FWD, 1SP FWD: S

GM factory document — 2015 buick lacrosse fleet order guide wayback, p.4.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

only in: Sportback; 2019: Regal, Preferred, Preferred II, Essence, Avenir: S (2019 Sportback order guide)

GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1, p.5.
GM factory document — 2019 buick regal sportback order guide copy gm authority, p.8.

Regal — Epsilon II, 5th gen (2011–2017)

2016 Factory-verified

2016: all groups: S; FWD only

GM factory document — 2016 buick regal order guide copy gm authority, p.6, p.26.

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