Chevrolet Tahoe 4WD Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2026

22 MPG combined

Latest Model

2026

22 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2026	Diesel Diesel	20	24	22	$3,850	Details →
2025	Diesel Diesel	20	26	22	$3,850	Details →
2024	Diesel Diesel	20	26	22	$3,850	Details →
2023	Diesel Diesel	20	26	22	$3,850	Details →
2022	Diesel Diesel	20	26	22	$3,850	Details →
2021	Diesel Diesel	20	26	22	$3,850	Details →