Chevy Suburban Mpg By Year 2025. Fuel economy of the 2025 chevrolet suburban. It has dropped a total of $13,592 in value in that time and has a current resale value of.

Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air. The diesel engine in the 2025 suburban is expected to maintain fuel economy figures similar to those of its predecessor, at approximately 21 mpg in the city and 27 mpg on.