The GMC Hummer EV SUV has been officially rated by the EPA, revealing its efficiency figures. The SUV achieves 59/48/53 MPGe for city/highway/combined driving with 22-inch wheels, slightly higher than previous estimates. However, its energy efficiency falls behind rivals like Ford F-150 Lightning and Rivian R1S. The Hummer EV’s substantial weight, largely due to its sizable battery pack, contributes to its lower efficiency.

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