C4R ✓ Factory-verified

Cadillac · Regular Production Option

GVW rating, 6,008 lbs

Years 2006–09 Models 1 Factory citations 2

Query this via API →

Also documented for Buick

Documented applications

SRX — Sigma / GMT265 (2004–2009) →

• 2006–2009 ✓ Factory-verified
  ⛭ GM factory document — 2006 cadillac srx rpo code list, p.1.

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

This page aggregates every documented appearance of C4R in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.