Details have been leaked by an unlikely source.

When the 2022 GMC Hummer EV was revealed last year, General Motors estimated the electric pickup could travel over 350 miles on a single charge. This was impressive for a big and heavy truck with three electric motors producing a combined 1,000 horsepower and 11,500 lb-ft of torque. However, newly leaked information the Hummer EV will have less range than GMC claims. The EPA hasn't released official range figures yet, but the Hummer EV's range has apparently been leaked by an unlikely source: the myChevrolet app.

When browsing the app, a user on the HummerChatForum noticed the 2022 Hummer EV listed with an estimated range of 334 miles on a full charge.

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According to the user, the Hummer EV’s range can be found by selecting More > Explore EV > Energy Assist. Exactly how the Hummer EV ended up being listed on the MyChevroletApp is a complete mystery. The Bolt EV and Bolt EUV are also listed alongside the Hummer EV with their official EPA ranges.

It's worth noting that the Hummer EV was only shown after the user updated their iPhone MyChevroletApp to the latest version 5.7.0. Before you get too disappointed that the Hummer EV has less range than GMC's official estimate, the leaked range could be based on the sold-out Hummer EV Edition 1 equipped with huge off-road tires.

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Included as part of the Extreme Off-Road Package, the Hummer EV Edition 1 rides on chunky 35-inch off-road tires. However, smaller street tires are also available for the Edition 1, which should result in a better range compared to the Hummer EV fitted with off-road tires.

Alternatively, GMC’s 350-mile range claim could apply to the less powerful dual-motor base model. Either way, we shouldn’t have to wait too long for the EPA to test the Hummer EV as deliveries for the Edition 1 are due to start by the end of this year.

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