Engine, 3.0L Duramax turbo-diesel inline-six

Years 2019–20, 2022–23 Models 3 Factory citations 7

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Also described as Engine, 3.0L turbo-diesel I6

Also documented for Cadillac Chevrolet

Documented applications

Sierra — T1XX (2019–2026)

2019–2020, 2022 Factory-verified

common rail injection, DOHC, VGT turbo, aluminum

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.12.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.12.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.12.

Yukon — T1XX (2021–2027)

2022–2023 Factory-verified

the 2022 and 2023 body-builder lists print it as a 3.0L turbo-diesel six-cylinder with VGT turbocharger; the 2025–2027 guides print LZ0 for the Duramax 3.0L

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.11.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.11.

Yukon XL — T1XX (2021–2027)

2022–2023 Factory-verified

the 2022 and 2023 body-builder lists print it as a 3.0L turbo-diesel six-cylinder with VGT turbocharger; the 2025–2027 guides print LZ0 for the Duramax 3.0L

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.11.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.11.

This page aggregates every documented appearance of LM2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.