Wheels, 22 x 9 (55.9 cm x 22.9 cm), 6-spoke Carbon Flash Metallic aluminum

Years 2022–23, 2025–27 Models 3 Factory citations 14

Also described as Wheels, 22 x 9.0 (55.9 cm x 22.9 cm) aluminum, ultrabright machining, painted inserts, painted pockets, laser etched Denali logo

Also documented for Chevrolet

Documented applications

Sierra EV — BT1 (2024–2027)

2026–2027 Factory-verified

2026: not offered in 3SB, 3SC, 4SC, 4SD, 5SD; S in 5SB; □ (included in equipment group, upgradeable) in 5SC; 2027: not offered in 3SB, 3SC, 4SC, 4SD, 5SD; □ (included in equipment group, upgradeable) in 5SC

GM factory document — 2026 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra ev fleet order guide, p.11.
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.14.

Yukon — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: Elevation, Denali: O; the guide wording is cut off after "aluminum with"

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.12.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.12.
GM factory document — 2025 gmc new yukon denali fleet order guide, p.28.
GM factory document — 2026 gmc yukon denali fleet order guide, p.30.
GM factory document — 2027 gmc yukon fleet order guide, p.26.

Yukon XL — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: Elevation, Denali: O; the guide wording is cut off after "aluminum with"

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.12.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.12.
GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.29.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.30.
GM factory document — 2027 gmc yukon xl fleet order guide, p.27.

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