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2024 GMC Hummer EV SUV Second Drive Review: Moab made easy

MOAB, Utah — The title of our First Drive of the 2024 GMC Hummer EV SUV included the phrase, "It's big, but this elephant can dance." The truck earned that compliment after a day of squeezing through San Francisco lanes and the slightly-more-commodious back roads in Napa Valley. But an SUV can't be called a supertruck without equivalent mastery on dirt, so GMC led a posse of media to Moab, Utah to run the Hummer's favorite stomping grounds. What happens when you subtract 20 inches of overall length and nine inches of wheelbase from a megafauna pickup? You find the dancing doesn't stop where the pavement ends. Allowed to roam Moab's challenging terrain — and ample room — the SUV is more than ready to do the Hokey Pokey and turn itself around. Admittedly, we knew this from our First Drive of the Hummer SUT two years ago, also performed among Moab's red rocks and red dust. The two variants share the same tricks, and GMC engineers chose Moab for prototype development, so there was no question of successfully navigating the trails. The SUV's simply nimbler about than the SUT. Clearance angles are better all over. Compared to the SUT, the SUV's 49.6-degree approach angle is just 0.1 better, but the 49-degree departure angle is 10.6 degrees better, and the breakover angle is 2.2 degrees better. Having four-wheel steer to rotate the SUV's shorter wheelbase shrinks the already tiny turning circle by 1.7 feet, to 35.4 feet. That's only four feet wider than a BMW i3, but 14 feet more compact than a GMC Sierra Crew Cab with the Short Box. And there are 'only' 15 standard cameras on the SUV, one shy of the 16 cameras in the SUT; the pickup adds an angle on the cargo bed the SUV doesn't have. Our 3X trim packed three motors producing a combined 830 horsepower and 1,200 pound-feet of torque. The $9,995 Extreme Off-Road Package threw on rock sliders with integrated steps that can support 1.5 times the Hummer's weight, full underbody skid plating, two additional underbody cameras front and rear, an electronically locking mechanical front differential for the single motor on the front, a virtual rear differential (programming that makes the two rear motors behave like a locked diff), heavy-duty ball spline half shafts, tow hooks and 18-inch black wheels on 35-inch Goodyear Wrangler Mud-Terrain tires.

2022 GMC Yukon AT4 to offer 6.2-liter V8

A year ago, GM said it was considering making its 6.2-liter V8 available outside the flagship trims of its full-sized SUV trio of Chevrolet Tahoe and Suburban, and GMC Yukon. There has been a year of gnashing teeth on GM forums since the automaker decided to meditate on the issue, but GM Authority reports The General has finally made the call — the 2022 Yukon AT4 will offer the 6.2-liter. This follows last week's news that three 2022 Chevrolet Tahoe and Suburban trims would also add the 6.2-liter as an option. With the Yukon Denali already in the 6.2-liter camp, only the Yukon SLE and SLT will be left out. Those latter two levels will continue to offer the 3.0-liter Duramax diesel as the optional engine, which the AT4 trim cannot take advantage of because the AT4's front fascia and skid plate interfere with the diesel's plumbing. The 5.3-liter V8 that's the standard engine makes 355 horsepower and 383 pound-feet of torque. The 6.2-liter makes 420 hp and 460 lb-ft. As has been pointed out, the 5.3-liter can tow 200 pounds more than the 6.2, but fuel economy is a wash — the 5.3 only gains 1 mpg in the city over the 6.2. This is a pure power play. For the moment, it looks like Yukon AT4 buyers won't need to do anything other than check a box to get the 6.2-liter. That's the opposite of what some Tahoe and Suburban buyers will face when trying to get the 6.2-liter for their rigs; outside of the Premier trim, Chevy put the engine behind a paywall of option packages. Since GMC hasn't revealed pricing for the 2022 lineup yet, we don't know what the surcharge will be for the big engine. The GMC Sierra AT4 pickup charges $2,195 to go from the 5.3 to the 6.2, so that's probably in the ballpark. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

GMC to get own model not shared with Chevy?

For years, GMC has existed as a brand without a single unique product, reconstituting Chevrolet trucks, SUVs and crossovers with more frosting in exchange for a few extra dollars. The Sierra is a Silverado, the Acadia a Traverse, and the Terrain an Equinox, although admittedly the latter pair are visually differentiated to a significant degree.
GMC could be set to expand beyond its Chevy-based roots, though. During last week's Detroit Auto Show press days, GM's product boss Mark Reuss was asked whether there'd ever be a GMC that wasn't taken from Chevy. "Oh, yes, you will," Reuss told the media. "The health of GMC is astonishingly good from a consideration standpoint." Reuss wouldn't elaborate on what the model could be, although we're quite happy to make some guesses. GMC has its bases fairly well covered, with a mid-size and full-size crossover, as well as a mid-size, full-size and HD pickup. We doubt GMC will be building a family sedan, sports car, or hatchback, so really, the only place we can see the brand going is into a smaller crossover.
Automotive News points out that the most recent small GMC showcar, the 2010 Granite concept (shown above), won't see production according to General Motors. That vehicle likely would have rode on GM's compact vehicle architecture, known internally as Gamma II, which underpins the Chevy Spark and Sonic, as well as the Buick Encore (and its overseas Opel/Vauxhall/Chevy counterparts).