GMC Hummer Gas Mileage (2023)

In the city, the Hummer gas mileage is 17 miles per gallon.

On the highway, the Hummer gas mileage is 21 miles per gallon.

Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.

Check out the Gas Mileage specifications for other makes and models.

2023 GMC Hummer Gas Mileage

In the city, the 2023 Hummer gas mileage is 17 miles per gallon.

On the highway, the 2023 Hummer gas mileage is 21 miles per gallon.