Wheels, 18 inch (45.7 cm), multi-spoke alloy, with Bright Silver finish

Years 2016, 2025–26 Models 3 Factory citations 8

Query this via API →

Also described as Wheels, 18 x 8 chrome, bright finishWheels, 18" (45.7 cm) multi-spoke alloy with bright silver finish

Also documented for Buick

Documented applications

SRX — Theta Premium / GMT166 (2010–2016)

2016 Confirmed

Luxury Collection: O, upgrade of RV1; Standard: not offered; GM's 2016 SRX order guide (GM Authority's copy, published September 18, 2015)

XT5 — C1XX (2017–2026)

2025–2026 Factory-verified

Luxury: S; Premium Luxury, Sport: not available; GM Authority 2026 wheel article lists this code

GM factory document — 2025 cadillac xt5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac xt5 fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac xt5 fleet order guide, p.7.
GM factory document — 2025 cadillac xt5 fleet order guide, p.31.
GM factory document — 2026 cadillac xt5 fleet order guide, p.8.
GM factory document — 2026 cadillac xt5 fleet order guide, p.33.

XT6 — C1XX (2020–2025)

2025 Factory-verified

Luxury: S

GM factory document — 2025 cadillac xt6 fleet order guide, p.7.
GM factory document — 2025 cadillac xt6 fleet order guide, p.64.

This page aggregates every documented appearance of Q6X in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.