2024 GMC Sierra EV

Though the wrapper is different, the Sierra EV owes its fundamental shape and much of its functionality to the Silverado EV, which went on sale earlier this year. There aren't the same Chevrolet Avalanche-esque extensions hanging off the back of the cabin, but from the beltline down, the trucks look quite similar in shape and proportion. There's a bit more differentiation inside, where the Sierra EV opts for a vertically oriented center display and darker styling themes that befit a vehicle with the Denali badge.

At launch, the Sierra EV will only be offered in a limited-run Denali Edition 1 with a starting price of $99,495 (including destination). The off-road-oriented AT4 and Elevation trims will join the party for the 2025 model year to give Sierra EV buyers more options, with the more commercial-oriented Elevation expected to start a little higher than the Silverado EV WT's base price of around $77,000.

That's quite rapid for such a large vehicle but does put it behind the Ford F-150 Lightning and four-motor Rivian R1T we've tested. The Lightning did a 4-second sprint to 60 mph at our test track and the Rivian R1T threw down a 3.5-second time of its own — and these were the results for the pre-refresh Rivian. The new tri-motor and revised quad-motor versions are far more potent than the Sierra.

The Sierra EV will offer five distinct drive modes: Standard, Tow/Haul, Off-Road, My Mode (a customizable setting) and Max Power. Towing capacity is rated at 10,000 pounds, but there is no word of any type of max towing package like the one that Chevy says is coming for the Silverado EV, which raises capacity to 20,000 pounds. However, the Sierra EV will have four-wheel steering and the same CrabWalk feature as the Hummer EV. That allows the truck to turn its rear wheels to the same angle as the front wheels so the truck can move diagonally in tight spaces. One-pedal driving on the maximum regenerative braking setting will also be offered.

The Ultium platform can handle DC fast-charging power of up to 350 kW. That's the max output that public DC charging currently supports, and GMC says that if you're hooked up to one of these chargers, you can add 100 miles of range in about 10 minutes under optimum conditions.

Below the large center screen is a wireless charging pad and a pair of cupholders, both sitting on movable trays that can split open to reveal a large storage bin between the front seats. There's plenty of room in the cabin for adults to sit in either row — that is when the back seat isn't being folded down to open up the Sierra EV's cargo bed to maximum capacity.

We don't know the full suite of safety features that will be available yet on the Sierra EV, but it will offer 14 different camera views that should help drivers maneuver this large truck in tight spaces. It will also come with Super Cruise, a hands-free driving system that works on 400,000 miles of highways across the U.S. and Canada. The system is also set up to work while towing.