LPO, wheels, 19 inch machine-faced aluminum

Years 2015–16 Models 2 Factory citations 2

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Also documented for Cadillac Chevrolet

Documented applications

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

2015 Factory-verified

2015: 1SB, 1SL FWD, 1SP FWD: O (dealer-installed); not with LUK

GM factory document — 2015 buick lacrosse fleet order guide wayback, p.3.

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

2016 Factory-verified

2016: 1SL, 1SN, 1SP: O (dealer-installed); not with LUK; new for 2016, with XBA tires (GM Authority 2016 changes)

GM factory document — 2016 buick regal order guide copy gm authority, p.11, p.21, p.34.

This page aggregates every documented appearance of 5XQ in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.