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GMC Sierra 4WD AT4X

Years: 2023–2024Best EPA combined: 19 MPG

Year-by-year

Year	Trims	Best MPG	Complaints	Fatal crashes	Inventory
2023	1	15	—	—	—
2024	2	19	—	—	—

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Data sources: NHTSA · EPA · FARS · DOE AFDC · EIA · Cars.com