P40 ✓ Factory-verified

Cadillac · Regular Production Option

Wheel, 18 x 8, aluminum, sport

Years 2006–09 Models 2 Factory citations 4

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Also documented for BuickChevroletGMCPontiac

Documented applications

CTS — Sigma / GMX320 (2003–2007) →

• 2006–2007 ✓ Factory-verified
  ⛭ GM factory document — 2006 cadillac cts rpo code list, p.1.

  ⛭ GM factory document — 2007 cadillac cts rpo code list, p.1.

STS — Sigma (2005–2011) →

• 2008, 2009 ✓ Factory-verified

  The 2008 list prints "Chromed"; the 2009 list and GM's other lists print Sport, which is used here.

  ⛭ GM factory document — 2008 cadillac sts rpo code list, p.1.

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

This page aggregates every documented appearance of P40 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.