2024 Acadia Denali Mpg. Read our expert review of the 2024 gmc acadia, and learn more about prices, specs and features, or compare similar cars to find the best option for you. All trim levels of the 2024 acadia get 21 mpg, with 19 mpg in the city and 24 mpg on the highway.

View detailed gas mileage data for the 2024 gmc acadia. Unlike some of its competitors, the acadia.