Tire, all, LT275/65R18 C 113/110Q BW OOR, variation 1

Years 2019–20, 2022–27 Models 2 Factory citations 12

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Also described as Tires, LT275/65R18C

Also documented for Chevrolet

Documented applications

Canyon — Third generation (VSS-T) (2023–2027)

2023–2024, 2026–2027 Factory-verified

AT4: O; Elevation, AT4X, Denali: not offered

GM factory document — 2023 gmc 23canyon electrical body builder 2023march13, p.12.
GM factory document — 2024 gmc 24 canyon electrical body builder manual 2023oct04, p.12.
GM factory document — 2026 gmc canyon fleet order guide, p.20.
GM factory document — 2027 gmc canyon fleet order guide, p.21.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

the 2019–2022 lists print the load index as 110/113Q; the 2025–2026 guides name the Goodyear Wrangler Territory MT

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.13.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.13.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.13.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.15.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.13.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of R3O in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.