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2019 GMC Sierra AT4 First Drive Review | Off-road overkill

The road ahead is dirt with a rut here and a rock there. Brush keeps a respectable distance on the right side, the edge on the left gradually falls away into the valley below. The grade is nothing your treadmill couldn't duplicate and traction is pretty good. Honestly, a couple in their Subaru Crosstrek could pop up here for a picnic. The 2019 GMC Sierra AT4 we're driving is therefore complete overkill. But at least it looks the part as it trudges up this uncharacteristically verdant mountain with San Diego in the distance to the north and Mexico to the south. Its special, dechromed AT4 grille has a purposeful appearance, but tastefully lacks the show-off machismo of Ford and Ram's off-roading models. The red tow hooks are a nice touch and the dark-accented 20-inch wheels wrapped in all-terrain rubber are just the right size beneath a suspension that is raised an extra 2 inches from every other Sierra. That would be one of the key elements that differentiates the AT4 as the Sierra's off-roading model – GMC's answer to the Chevy Silverado's Trail Boss trims. In fact, their mechanical enhancements are identical. Besides the 2-inch lift, the suspension features off-road-tuned Rancho monotube shocks. There's also a locking rear differential, a two-speed transfer case, skid plates and those tow hooks. The 5.3-liter V8 with Dynamic Fuel Management is similarly standard, but unlike the Silverado Trail Boss, the Sierra AT4 offers the 6.2-liter V8 good for 420 horsepower and 460 pound-feet of torque as a roughly $2,500 option. That's the engine we have and it delivers the expected punch, complete with a satisfyingly snarling exhaust note. However, as observed in back-to-back drives with these two available engines during the Silverado launch, the 6.2 certainly isn't necessary. The 5.3-liter is seriously capable and the bigger engine is largely for those who want to have the biggest number possible emblazoned on the fender. It's overkill, which in this particular environment, is fitting. Besides the available engine upgrade, the AT4 also goes beyond its Trail Boss counterpart by dipping into the Sierra Denali's tool box. Its MultiPro tailgate is standard equipment, allowing for six different configurations, the most notable of which include a means of more easily reaching into the bed and a drop-down step that eases entry into the bed. GMC's considerable touting of that last element is rife with hypocrisy given GM advertisements that mocked Ford's similar feature.

2017 GMC Acadia adds four-cylinder and All Terrain model

General Motors has officially started the process of updating its long-in-the-tooth fullsize CUVs by unveiling the second-generation GMC Acadia at the 2016 Detroit Auto Show. While the Acadia is 700 pounds lighter, it's also shorter and narrower, which means it's not quite the people mover it used to be. You'll no longer be able to haul eight passengers, although there will still be five-, six-, and seven-passenger offerings. While families might not be thrilled with the loss of a seat, the lighter weight is a net win. Not only will the V6 model feel more powerful and efficient – in addition to the lower curb weight, there's a new, 310-horsepower engine – but it will also likely be more economical. GM estimates the front-drive V6 will return 25 miles per gallon on the freeway, compared to 24 mpg for the current front driver, but city fuel economy remains pegged at 17 mpg. In a move we're not entirely sold on, though, the Acadia will also adopt a four-cylinder engine, and no, it's not GM's highly regarded 2.0-liter turbo. Instead, you'll be able to order this 4,000-pound CUV with a 2.5-liter, 194-horsepower four-cylinder. What it won't be able to provide in straight-line speed, it will make up for with fuel economy. GM is wagering the front-drive, four-cylinder Acadia will net 22 mpg in the city and 28 on the highway. Both engines are paired with a HydraMatic 6T75 six-speed automatic. A new All Terrain model is said to be optimized for wet, snowy and icy conditions, and its drive mode selector removes the Off Road selection in favor of All Terrain. We have live images of both the new Acadia Denali, as well as the new-for-2017 All Terrain model, direct from the floor of the 2016 Detroit Auto Show. There's also a video of the full GMC press conference with reactions from our editors. Check them out. GMC Introduces All-New 2017 Acadia * 700-lb. lighter, more efficient crossover aimed at heart of midsize segment * Expanded range of available active safety features, including Front Pedestrian Braking and Surround Vision Camera * New powertrains include a 2.5L I-4, offering a GM-est. 28 mpg hwy, and an available est. 310-hp 3.6L V-6 * Acadia Denali with new, exclusive Continuously Variable Ride Control * New Acadia All Terrain with an advanced AWD system with Active Twin Clutch * On sale this spring DETROIT, Tuesday, Jan.

GMC offers more 2024 Hummer EV SUV details, photos

GMC has shared more details about its 2024 Hummer EV SUV after its debut during the NCAA Final Four tournament. The SUV which follows the Hummer EV pickup, is smaller, more maneuverable and has a few features the truck doesn’t. GM says itÂ’s meant to strike a balance between off-road capability and on-road driving. GM also says Edition 1 reservations are already sold out. Compared to the truck, the Hummer SUV has a wheelbase about 9 inches shorter. With four-wheel steering, its turning circle is just 35.4 feet, which GM emphasizes is tighter than that of the Ford Mustang Mach-E (38.1 feet). ItÂ’s also less than the Hummer pickupÂ’s 37.1-foot turning circle. The SUV, which, at 196.8 inches long, is 20 inches shorter than the truck overall. It also features a much shorter rear overhang, at 35.5 inches. While thatÂ’s all helpful maneuvering through city traffic or suburban parking lots, it also provides advantages off-road. It has an approach angle of 49.6 degrees, a 49.0-degree departure angle and a 34.4-degree breakover angle. Suspension travel is 13 inches front and rear, with 16 inches of maximum ground clearance thanks to its Extract Mode that temporarily raises the vehicle to get out of tricky terrain. It can ford water 32 inches deep. It also features the same CrabWalk mode as the pickup. Available Ultravision provides 17 cameras, including underbody views to help navigate the trail. The Hummer SUV benefits from an enclosed cargo area behind the second row of seats. It still features the Infinity Roof with removable panels above the two seating rows to essentially turn the SUV into a convertible. At the rear is a swing-out tailgate that opens wider than the width of the vehicle. A spare tire rides on the tailgate as well. With the rear seats folded, cargo volume peaks at 81.8 cubic feet.  Additional hidden storage space is found below the recycled rubber floor mat, which features a design inspired by the moonÂ’s Sea of Tranquility (that's where Apollo 11 landed). As for technology, the Hummer SUV gets a 13.4-inch infotainment screen, plus a 12.3-inch instrument display in front of the driver. Fourteen cameras come standard, and the aforementioned Ultravision provides a total of 17 cameras, including a surround view. The MyGMC mobile app offers satellite rendered trail maps that can also help manage energy consumption off-road and make sure you have enough juice to make it to a charger when finished.