R4W ✓ Factory-verified

Buick · Regular Production Option

Tire brand, all, Michelin

Years 2004–06 Models 2 Factory citations 3

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Also described as Tire brand, all Michelin

Also documented for CadillacChevroletGMC

Documented applications

LeSabre — H-body (2000–2005) →

• 2004–2005 ✓ Factory-verified
  ⛭ GM factory document — 2004 buick lesabre rpo code list, p.1.

  ⛭ GM factory document — 2005 buick lesabre rpo code list, p.1.

Lucerne — G-body (2006–2011) →

• 2006 ✓ Factory-verified
  ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1.

This page aggregates every documented appearance of R4W in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.