18U ✓ Factory-verified

Cadillac · Regular Production Option

Paint, primary exterior, Dark Green Gray Metallic

Years 1999–00 Models 1 Factory citations 2

Query this via API →

Also documented for ChevroletGMCPontiac

Documented applications

Escalade — GMT400-based, GMT435 (1999–2000) →

• 1999–2000 ✓ Factory-verified
  ⛭ GM factory document — 1999 cadillac escalade rpo code list, p.1.

  ⛭ GM factory document — 2000 cadillac escalade rpo code list, p.1.

This page aggregates every documented appearance of 18U in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.