The Hummer H2 was once criticized for poor fuel economy, but the new electric GMC Hummer EV is incredibly thirsty with an EPA-rated 53 mpge. The Hummer EV SUV and pickup version have a worse rating with optional mud-terrain tires. The Hummer EV’s inefficiency is mainly due to its weight, which weighs 9,063 pounds, making it difficult for its three electric motors to move.

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