Wheels, 19 inch aluminum, Sterling Silver premium paint finish

Years 2018 Models 1

Documented applications

XTS — Epsilon II, enlarged (2013–2019)

2018 Confirmed

standard on Luxury only; replaces REH (GM Authority 2018 XTS changes)

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