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The Sierra EV AT4 makes a powerful first impression by sheer scale. The tires are immense. The display screen overwhelms the dashboard. The battery is gargantuan. And the vary is greater than sufficient.
Fortunately, that vary challenges probably the most widespread criticisms of electrical vans. Even whenever you begin towing, hauling, or just treating it like a truck, the vary stays helpful as a substitute of tense.
That’s the place the Sierra EV AT4 finds its identification. It’s a greater truck than most individuals want, even after accounting for the compromises that include being almost 9,000 kilos.
Bigger Than Expected
My tester wore the new-for-2026 AT4 therapy, full with a manufacturing facility 2-inch raise, 35-inch all-terrain tires, 4-wheel steering, and the Max Range battery pack. Thunderstorm Gray paint and a hard-folding tonneau cowl introduced the as-tested worth to $94,715.
Class-leading vary has all the time been a headline for the GM electrical vans. GMC estimates as much as 478 miles, and my real-world expertise got here shut regardless of the AT4’s off-road-focused {hardware}. For regular possession, vary nervousness will rapidly disappear with every sensible expertise.
Material high quality is noticeably increased than that of its mechanical twin, the Silverado EV, although the cabin nonetheless falls in need of what I’d name really luxurious. Perhaps that’s a deliberate option to protect some separation from the Denali.
The Forest Storm inside additionally left me barely confused. It was nice sufficient, however I by no means obtained a lot “forest” from it. No one who checked out it or stepped inside made a single remark concerning the totally black colorway.
New 2026 GMC Sierra EV Prices
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Retail Price
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Fair Purchase Price (92620)
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|---|---|---|---|---|
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Elevation Standard Range
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$64,995
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$63,700
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Denali Standard Range
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$72,295
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$70,800
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Elevation Extended Range
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$73,195
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$71,700
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Denali Extended Range
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$80,495
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$78,800
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AT4 Extended Range
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$81,895
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$80,200
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AT4 Max Range
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$92,195
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$90,300
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Denali Max Range
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$101,195
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$99,100
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Plush Party Trick
The AT4 doesn’t get air suspension or GM’s Magnetic Ride Control (as a result of it’s too heavy), but its journey high quality stays spectacular.
A big a part of the credit score goes to the mix of 18-inch wheels and large 35-inch all-terrain tires. All that sidewall helps take up the influence of tough pavement in a method many fashionable vans merely can’t. There’s additionally the sheer size of the factor — an extended wheelbase is a part of what makes massive vans such cozy freeway cruisers.
The end result lands someplace between conventional truck toughness and luxurious SUV smoothness. It feels surprisingly remoted for an AT4 driving on aggressive all-terrain tires. The tradeoff seems whenever you ask all 725 horsepower and 775 lb-ft of torque to hit the pavement directly.
At most acceleration, the mix of squirmy all-terrains and immediately terrific torque could cause torque steer. With fashionable traction management, it’s not precisely harmful, however it’s alarming. This a lot energy in a lifted truck on off-road rubber seems like an amusing engineering determination. But numbers on paper promote vans greater than I prefer to admit.
Built for Truck Stuff
The big battery seems like a strategic reserve, offering greater than sufficient vary. Average commuters might cost as soon as every week, even lower than some gas-powered vans.
With over 10,000 kilos of towing functionality, the Sierra EV handles truck duties with far much less compromise than many consumers most likely anticipate from an EV. Even the drastic vary reduce from towing permits its use round city, round a farm, or hauling gear throughout a piece web site. Towing highway journeys, then again, will nonetheless be a nuisance at occasions. Even with its decently spectacular charging efficiency.
Speaking of DC quick charging, below optimum circumstances and with a robust sufficient charger, it could possibly add as much as 100 miles of vary in 10 minutes, tapering because the battery fills.
Ironically, the battery’s dimension creates one uncommon draw back. Public Level 2 charging feels much less impactful since you’re attempting to refill one thing greater than twice the dimensions of many fashionable EV battery packs. This interprets to residence charging as properly, until you could have the capability for 48A and even 80A charging. A full cost on a daily family outlet would take a number of days.
Screens, Space, and the Bright Sun
The big Google-based infotainment show is considered one of GM’s higher software program implementations. Multi-app views work properly, maps are expansive, and the display screen makes wonderful use of its actual property. A number of menu objects stay buried deeper than they need to be, however general usability is powerful.
Rear-seat passengers have been impressed with its spaciousness, openness, and wonderful visibility supplied by the glass roof. Child-seat entry can also be a straightforward process due to large doorways and beneficiant rear-seat house.
Rear local weather management is much less spectacular. Only two small vents serve rear passengers, controls are buried throughout the front-screen menus, and the system doesn’t persistently acknowledge rear occupants. During the summer time warmth, particularly with the glass roof overhead, it grew to become extra detrimental than anticipated.
The different challenge is sun-lit glare. Several metallic trim items on the dashboard and steering wheel can produce intense reflections relying on the angle of the solar. It occurred much more typically than I anticipated all through my every day driving.
Handling the Road
For one thing so giant, the Sierra EV shrinks round you surprisingly properly.
Four-wheel steering offers the truck a good turning radius for its dimension and permits GMC’s CrabWalk mode. It’s not as dramatic because the Hummer EV’s implementation that makes use of a full 10-degree of rear steer, but it surely’s nonetheless entertaining. I’m unsure if helpful is the best time period.
Super Cruise can now hyperlink highways collectively, which is useful in that distinctive situation. Yet it by no means felt utterly confidence-inspiring. The truck sometimes ping-ponged inside its lane, grew to become unsettled round tighter curves, and behaved equally when utilizing commonplace hands-on lane centering help.
Automatic lane adjustments have been equally inconsistent. Sometimes they labored. Sometimes they appeared intimidated by limitations that weren’t even within the goal lane. In heavy visitors, it’s far too timid to make the aggressive lane adjustments wanted to remain aggressive with the expected ETA.
One ultimate nitpick: the turn-signal cadence nonetheless sounds barely off. I spent a whole week being bothered by it way over any rational individual ought to.
The AT4 Takeaway
The Sierra EV AT4 is fascinating as a result of lots of its limitations stem from extra moderately than compromise. But the few annoyances really feel like unwanted effects of constructing a truck able to doing nearly every part. The software program wants minor refinement. Rear local weather deserves extra consideration. Some inside trim might use much less reflective supplies, and the worth tag could counsel it ought to really feel extra premium.
But after every week behind the wheel, I saved coming again to the identical conclusion: the Sierra EV simply works. It tows, hauls, road-trips, and handles each pavement and dust with little or no drama. And it does all of these issues whereas delivering journey consolation and vary that might have appeared unimaginable for an electrical truck just some years in the past.
The Sierra EV AT4 could also be extra truck than most individuals want. That’s precisely what makes it spectacular.
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