Wheels, 20 x 8 inch (50.8 cm x 20.3 cm), After Midnight, machined-face aluminum

Years 2017–19, 2025–27 Models 3 Factory citations 7

Also described as Wheels, 20 x 8 inch (50.8 x 20.3 cm), polished aluminumWheels, 20 x 8, machined aluminum, Pearl Nickel (50.8 cm x 20.3 cm)

Also documented for Cadillac

Documented applications

Acadia — Second generation (C1XX) (2017–2023)

2017–2019 Factory-verified

2019 guide: Denali: S

GM factory document — 2017 gmc acadia order guide copy gm authority, p.6, p.23, p.39.
GM factory document — 2018 gmc acadia order guide copy gm authority, p.8, p.31, p.47.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.8, p.33, p.49.

Acadia — Third generation (2024–2027)

2025–2026 Factory-verified

2025: Denali: S; Elevation, AT4: not offered; 2026: Denali: S; Elevation, AT4, Denali Ultimate: not offered

GM factory document — 2025 gmc acadia fleet order guide, p.10.
GM factory document — 2026 gmc acadia fleet order guide, p.10.

Terrain — Third generation (2025–2027)

2026–2027 Factory-verified

O: Denali; not offered: Elevation, AT4; includes QTM tires; not available with VQK splash guards

GM factory document — 2026 gmc next generation terrain fleet order guide, p.12.
GM factory document — 2027 gmc terrain fleet order guide, p.13.

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