Engine, 3.6L V6, direct injection, DOHC, variable valve timing, aluminum

Years 2017–19 Models 2 Factory citations 5

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Also described as Engine, 3.6L V6, direct injection, VVT, cylinder deactivation

Also documented for Cadillac Chevrolet GMC

Documented applications

LaCrosse — E2XX, 3rd gen (2017–2019)

2017–2019 Factory-verified

2019: Sport Touring, Avenir: S; Preferred, Essence, Premium: O; 309 hp in the 2017–2018 guides, 310 hp in the 2019 guide

GM factory document — 2017 buick lacrosse fleet order guide wayback, p.4.
GM factory document — 2018 buick lacrosse order guide copy gm authority, p.5.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.8.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

only in: Sportback; 2019: GS: S (2019 Sportback order guide); new for 2018; the 2019 guide gives 310 hp and 282 lb-ft

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.7.

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