GMC unveiled two brand-new all-electric automobiles that will be on sale in 2024 

an attempt to repair Hummer's image as a manufacturer of fuel-guzzlers. 

 Fuel efficiency is lacking in the Hummer EV truck and SUV, even with their powerful

With a combined 53 MPGe city and highway fuel efficiency, both are ranked poor.

The all-electric vehicles, which yield 47 combined city and highway MPGe,

Focusing primarily on torque and horsepower potential, the electric Hummer