Tires, 275/60R20 all-season, blackwall

Years 1988, 2020, 2022–27 Models 3 Factory citations 9

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Also described as Tires, P195/70R14 blackwall

Also documented for GMC Pontiac

Documented applications

Corsica — L-body (1987–1996)

1988 Factory-verified

the 1988 option-weight page; GM reused QAB for a later 275/60R20 truck tire

GM Heritage factory kit — 1988 Chevrolet Corsica, p.32.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.31.

Silverado — T1XX (2019–2026)

2020, 2022–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.12.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.12.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.15.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

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