Tires, P235/50R18 all-season, blackwall

Years 2017–19 Models 2 Factory citations 4

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Also documented for Cadillac

Documented applications

LaCrosse — E2XX, 3rd gen (2017–2019)

2017–2019 Factory-verified

2019: Base, Preferred, Essence, Premium: S

GM factory document — 2017 buick lacrosse fleet order guide wayback, p.3.
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.7.

Regal — E2XX (2018–2020)

2018 Factory-verified

only in: TourX

GM factory document — 2018 buick regal tourx fleet order guide wayback, p.1.

This page aggregates every documented appearance of R3X in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.