By now, we all know the Hummer EV’s deal. It’s , so heavy it’s , and . It takes just about every , , and in modern motoring and cranks it up to eleven. But how inefficient is it, empirically?

Pretty damn, is the answer. looked into the latest round of Hummer EV mile per gallon equivalency ratings from the Environmental Protection Agency, and found that the hulking behemoth has the worst MPGe of any car you can buy today. American exceptionalism, baby.

The Hummer pickup and SUV are each rated at 59 MPGe city and 48 highway with standard tires, while optional mud tires drop those numbers to 55 and 45 respectively. The Ford F-150 Lightning, for comparison, ; the Rivian R1T manages .

It’s almost as if making a vehicle bigger and heavier, for no reason other than to have the biggest and heaviest car, is a bad idea. The resulting inefficient vehicle is more expensive to operate, manages less range per kilowatt-hour of energy in its battery, and puts more wear and tear on roads, bridges, parking garages, and its own tires.

What’s the point? What’s the appeal? When are also cheaper to run, what’s the sales pitch for the Hummer? How much are those six little letters in the headlight worth?