Tires, LT305/70R18 Goodyear Wrangler Territory MT

Years 1999–00, 2024–27 Models 5 Factory citations 13

Also described as Tires, all: P245/75R16 112S extra load, all-season, blackwallTires, LT305/70R18-126/123R, 35 inch M/TTire, all, P245/75R16-112S ALS (EL) BW

Also documented for Chevrolet

Documented applications

Hummer EV Pickup (2022–2027)

2024–2026 Factory-verified

2024: GM Authority 2024 changes page

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.19.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.22.

Sierra — GMT800 (1999–2007)

1999–2000 Factory-verified

the 1999 list's QMG and QMH lines read one code down (WOL, then P265/70R16); its front/rear/spare codes XMG, YMG and ZMG match the 2000 reading

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — T1XX (2020–2027)

2024–2027 Factory-verified

only in: 2500 HD; 2024: GM Authority 2024 changes page; AT4X: S; Pro, SLE, SLT, AT4, Denali, Denali Ultimate: not offered

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.9.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.9.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.7.

Yukon — GMT800 (2000–2006)

2000 Factory-verified

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.

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