GX3 ● Confirmed

Buick · Regular Production Option

Axle, 3.33 final drive ratio

Years 2013 Models 1

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Documented applications

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

• 2013 ● Confirmed

  deleted for 2014 (GM's 2014 list)

This page aggregates every documented appearance of GX3 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.