Suburban 2024 Gas Mileage Per Litre. We wouldn't expect a suburban with this engine to turn in a significantly worse result as the epa rates the tahoe diesel only one mile per gallon better on the highway. Use our handy tool to get estimated annual fuel costs based on your driving habits.

View detailed gas mileage data for the 2024 chevrolet suburban. Depending on trim level, the 2024 chevrolet suburban gas mileage is from 17 to 18 miles per gallon combined.