Chevrolet Silverado 4WD ZR2 Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2025

21 MPG combined

Latest Model

2026

15 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2026	Premium	14	17	15	$5,450	Details →
2025	Diesel Diesel	20	23	21	$4,050	Details →
2024	Diesel Diesel	20	22	21	$4,050	Details →
2023	Premium	14	17	15	$5,450	Details →
2022	Premium	14	17	15	$5,450	Details →