Q99 Factory-verified

Chevrolet · Regular Production Option

Wheels, 19" x 8.5" (48.3 cm x 21.6 cm) front, 20" x 11" (50.8 cm x 27.9 cm) rear, 20-spoke bright machined-face forged aluminum

Years 2023–27 Models 1 Factory citations 5
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Documented applications

This page aggregates every documented appearance of Q99 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.