QG9 ✓ Factory-verified

Cadillac · Regular Production Option

Tires, 275/40R21, summer-only

Years 2026–27 Models 1 Factory citations 4

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Also documented for BuickChevroletSaturn

Documented applications

Optiq — BEV3 (2025–2027) →

• 2026–2027 ✓ Factory-verified

  V-Series: O; Luxury, Premium Luxury, Sport, Premium Sport: not available

  ⛭ GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide, p.14.

  ⛭ GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide, p.15.

Related codes · mentioned in these notes

OV

This page aggregates every documented appearance of QG9 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.