Engine, 2.5L L4, SIDI, DOHC, VVT, eAssist

Years 2018–19 Models 1 Factory citations 2

Documented applications

LaCrosse — E2XX, 3rd gen (2017–2019)

2018–2019 Factory-verified

2019: Base, Preferred, Essence, Premium: S; with HP5 hybrid propulsion; the March 2017 guide lists it as not available at start of 2018 production; FWD only in 2019

GM factory document — 2018 buick lacrosse order guide copy gm authority, p.10.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.8.

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