Wheels, 20 x 8.5 ultra-bright machined aluminum, multi-spoke, Manoogian Silver pockets

Years 2017–18 Models 2 Factory citations 2

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Also described as Wheels, 20 inch cast aluminum, premium painted finish

Also documented for Buick Chevrolet

Documented applications

CT6 — Omega (2016–2020)

2017–2018 Factory-verified

Luxury 3.6L, Premium Luxury: O; included with F55 and only with it; 2018 from the 2018 CT6 order guide (a GM document); the 2019 guide prints no entry for it

GM factory document — 2017 cadillac ct6 fleet order guide wayback, p.3.
GM factory document — 2018 cadillac ct6 order guide copy gm authority, p.53, p.56.

XTS — Epsilon II, enlarged (2013–2019)

2018 Confirmed

now standard on Premium Luxury (GM Authority 2018 XTS changes)

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