R6P Factory-verified

GMC · Regular Production Option

SiriusXM, 3 years

Years 2025–27 Models 11 Factory citations 33

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Also documented for Buick Cadillac Chevrolet Pontiac

Documented applications

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

O on all trims

GM factory document — 2025 gmc acadia fleet order guide, p.15.
GM factory document — 2026 gmc acadia fleet order guide, p.14.
GM factory document — 2027 gmc acadia fleet order guide, p.16.

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

2025–2027 Factory-verified

O on all trims

GM factory document — 2025 gmc canyon fleet order guide, p.14.
GM factory document — 2026 gmc canyon fleet order guide, p.17.
GM factory document — 2027 gmc canyon fleet order guide, p.17.

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

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

2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.13.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.15.

Sierra EV — BT1 (2024–2027)

2025–2027 Factory-verified

2025: A in 5SC, 5SD; 2026–2027: A in all groups

GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra ev denali fleet order guide, p.9.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.15.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

all trims: O

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.28.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

Pro, SLE, SLT, AT4, AT4X, Denali, Denali Ultimate: O

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.26.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.24.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.25.

Sierra — T1XX (2019–2026)

2025–2026 Factory-verified

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.

Terrain — Third generation (2025–2027)

2025–2027 Factory-verified

O on all trims; 2025 requires a retail order type (TRE or SRE) and is not available with fleet or government order types; 2026 and 2027 are not available with FGO

GM factory document — 2025 gmc next generation terrain fleet order guide, p.7.
GM factory document — 2026 gmc next generation terrain fleet order guide, p.10.
GM factory document — 2027 gmc terrain fleet order guide, p.10.

Yukon — T1XX (2021–2027)

2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2025 gmc new yukon denali fleet order guide, p.24.
GM factory document — 2026 gmc yukon denali fleet order guide, p.25.
GM factory document — 2027 gmc yukon fleet order guide, p.22.

Yukon XL — T1XX (2021–2027)

2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.24.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.25.
GM factory document — 2027 gmc yukon xl fleet order guide, p.22.

This page aggregates every documented appearance of R6P in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.