Wheel, 18 x 8.5, aluminum, polished, unflanged

Years 2008–09 Models 1 Factory citations 2

Query this via API →

Also described as Wheel, 18 x 8, aluminum, polished, unflanged

Also documented for Chevrolet

Documented applications

CTS — Sigma II (2008–2015)

2008 Factory-verified

The 2009 list prints 18 x 8.5 (next row).

GM factory document — 2008 cadillac cts rpo code list, p.1.
2009 Factory-verified

The 2008 list prints 18 x 8 (row above).

GM factory document — 2009 cadillac cts rpo code list, p.1.

This page aggregates every documented appearance of P63 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.