Transmission, 9 speed automatic

Years 2018–19 Models 2 Factory citations 3

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Also documented for Chevrolet

Documented applications

Envision — D2XX, imported from China (2016–2020)

2019 Factory-verified

1SN, 1SP: S; with LTG; printed as new

GM factory document — 2019 buick envision order guide copy gm authority, p.7, p.24.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

only in: Sportback; 2019: GS: S (2019 Sportback order guide); new for 2018; same wording as M3D

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.8.

This page aggregates every documented appearance of M3T in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.