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2023 GMC Sierra AT4X new AEV Edition's spirit animal is the Bison

GMC's newly redesigned 2023 Sierra is getting some equipment that might sound familiar to fans of the Chevrolet Colorado ZR2 formula that inspired it. Don't call it a "Bison," but the new Sierra AT4X AEV (American Expedition Vehicles) Edition sounds an awful lot like everybody's favorite bovine-themed midsize off-road pickup, and GMC says it will be its most off-road capable factory Sierra 1500 ever. If you're not familiar with the AT4X formula, it's already pretty robust. The GMC twin to the new Silverado ZR2 boasts Multimatic DSSV spool-valve dampers, improved ground clearance and approach/departure/breakover angles compared to the "standard" AT4, plus front and rear electronic locking differentials. The AEV Edition looks to the margins for additional improvement.  "The Sierra 1500 AT4X is an incredibly formidable platform when it comes to on- and off-road performance and capability,” said AEV CEO & founder Dave Harriton. “We took our signature approach to help elevate this truckÂ’s inherent off-road capability to the next level. We are confident customers will love the result." The standard AT4X already offers plenty of ground clearance (10.8 inches) and an approach angle of 25.5 degrees, departure angle of 23 degrees and breakover angle of 22.7 degrees. The AEV Edition bumps the ground clearance to 11.2 inches and its AEV-sourced stamped steel bumpers improve the approach angle to 32.5 degrees, departure angle to 23.4 degrees (compared to 23 degrees) and the breakover angle improves to 23 degrees.  "Our customers want an uncompromising combination of on-road technology and off-road capability," GMC boss Duncan Aldred said in the company's announcement. "Leveraging GMCÂ’s unwavering dedication to providing premium trucks and AEVÂ’s expertise in engineering and integrating performance-driven parts and accessories, this truck provides extreme capability, technology and comfort." The AEV Edition will ride on 33" mud-terrain tires wrapped around unique 18-inch AEV "Salta" wheels finished in gloss black. The front end was restyled to accommodate the AEV Edition's wheel and tire package (it was too big for the existing wheel wells, apparently) and front bumper.

Next-gen GM SUVs caught wearing new boxy bodies [w/video]

We recently drove the brand-new 2014 Chevrolet Silverado and found it to be vastly improved compared to the outgoing model. And now that The General's pickup trucks have been squared away, it's time to focus our attention onto their passenger-friendly companions, the Chevrolet Tahoe and GMC Yukon (above).
Our spy photographers have passed along a huge smattering of photos (and a video), showing the new SUVs out testing. Both the short- and long-wheelbase models were spied, and while the overall shape of the vehicles hasn't changed all that much, we expect the updates to be substantial. In addition to new powertrain options, like GM's new small-block V8, we expect the interiors of both SUVs to get massive makeovers, providing better materials throughout their cabins and quieter, more refined environments. We even hear that some trick new suspension developments may be in store for upper-end models.
Visually, these spy shots allow us to see a couple of new details on the SUVs' front and rear fascias, including LED running lamps on the Yukon and some interesting LED taillamp treatments. Of course, the obvious third party missing from this set of photos is the Cadillac Escalade, but as we reported earlier, GM is working to further differentiate the 'Slade from the rest of the fullsize SUV lineup, and is working to make the new model "much less ostentatious."

GM Canada recalls 159,240 GMC and Chevy trucks for faulty defroster circuit

General Motors is recalling more than 159,000 2014-2019 Chevrolet Silverado and GMC Sierra pickup trucks in Canada due to a potential fire risk. GM says the rear defroster circuit could overheat on trucks optioned with the power-sliding rear window. Thus far, there is no word on the recall's relation to U.S. vehicles. The recall, found by Automotive News, was posted to Transport Canada on June 28, 2019 with manufacturer recall No. N192220470. Included in the 159,240 vehicles are the 2014-2018 Silverado 1500, the 2015-2019 Silverado HD, the 2014-2018 Silverado LD, the 2014-2018 Sierra 1500, the 2015-2019 Sierra HD, and the 2014-2018 Sierra LD. The notice says the rear defroster circuit, specifically on trucks with the power-sliding rear window, could overheat. Because of its placement, this excess heat could cause melting, smoking, or possibly fire, in the worst case scenario. As of now, there is no official word when GM will initiate the recall and there is no official fix detailed just yet. GM suggests that owners, who will be notified by mail if their vehicles are affected, take their trucks to a dealer to remove the rear window defroster fuse as a stop-gap.  Automotive News contacted GM to find out if the problem is also found in trucks sold in the United States, but no definitive statement was made, as the investigation is reportedly ongoing. We will update this space if American vehicles are found to be included in the problem.