Chevy Suburban 2024 Gas Mileage. As you'd expect, the best gas mileage is available in the diesel model with 21 mpg in the city and 27 mpg on the highway and that's the same as the 2024 suburban diesel. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air.

View detailed gas mileage data for the 2024 chevrolet suburban. 2024 chevrolet suburban ls 2wd 4dr features and specs.