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2021 GMC Yukon Denali First Drive | Finally living up to the Denali reputation

For most of its existence, the GMC Yukon has been a virtually identical twin to the Chevy Tahoe. It would have some exterior differences, maybe a couple of different features, but aside from the badging, you’d be hard-pressed to distinguish the two. That also applied to the supposedly more luxurious Denali trim level. This new generation of Yukon mostly continues the trend, but now the Denali stands out more. It gets a unique interior designed to bridge the gap between the Yukon and Cadillac Escalade, and includes high-end features such as the Yukon's otherwise optional 6.2-liter V8 and magnetic suspension with air springs. All of this combined lets the 2021 GMC Yukon Denali live up to its luxurious reputation. It's easily the version to get if your bank account allows. It really is the interior that makes the biggest difference. The entire dashboard and door panels are exclusive to not only the Yukon, but the Denali trim level specifically. The dash design is more squared-off and truck-like, but itÂ’s offset by the use of some excellent materials. Large portions of the dash are wrapped in leather with stitching. ThereÂ’s also a large panel of matte-finish open-pore wood, available in multiple colors, on the passenger side. Some metal trim and nicely textured knobs adorn the center stack. The doors get this wood and leather, too. The center console features some attractive, stylized stitching as an extra adornment. The result is a place that feels high-quality and luxurious, but not in a garish or flashy way. Sort of a utilitarian luxury, which fits the look and character of the Yukon Denali. There are aspects of the interior that are shared with other Yukons and Tahoes, though. You get the same slightly odd but perfectly usable push-button shifter, the 10-inch touchscreen infotainment system, 15-inch head-up display, dual 12.6-inch backseat screens, and the same amount of interior space. These are all good things. The infotainment system is responsive and easy to use, while also offering the same advanced trailering camera system that so impressed in the Chevy Silverado HD. The head-up display is also large and legible, and fortunately not cluttered with too much distracting information. The best part, however, is the amount of space.

2021 Chevy Silverado, GMC Sierra fuel economy to go down due to global chip shortage

Production of the 2021 Chevy Silverado and 2021 GMC Sierra is continuing, but the global semiconductor chip shortage is resulting in a mid-year change. Or rather, an omission.  Basically, the availability of cylinder deactivation for the 5.3-liter V8 will be significantly reduced, resulting in a reduction of 1 mpg combined for affected models. This applies whether that engine has the six- or eight-speed automatic, as well as to both the regular Active Fuel Management and the more advanced Dynamic Fuel Management cylinder deactivation systems. DFM does remain with the pairing of 5.3-liter V8 and 10-speed automatic that comes standard on the LT Trail Boss and High Country. "Due to the micro controller shortage, the components that control AFM/DFM in the engine control module (ECM) have been removed," GM spokesperson Michelle Malcho told Autoblog. She also indicated that the engines will still have the AFM/DFM hardware in place, but that GM will not allow activation of the systems in the future with an ECM change.  Malcho also confirmed to Autoblog that the Silverado and Sierra's other engines will continue to have AFM and DFM, including the 2.7-liter turbo inline-four, 4.3-liter V6 and 6.2-liter V8. In an earlier statement to Reuters, she declined to say the volume of vehicles affected. "By taking this measure, we are better able to meet the strong customer and dealer demand for our full-size trucks as the industry continues to rebound and strengthen," Malcho wrote Reuters in an email. The change runs through the 2021 model year, she said. Malcho told Reuters it would not have a major impact on the Detroit automaker's U.S. corporate average fuel economy (CAFE) numbers. "We routinely monitor our fleet for compliance in the U.S. and Canada, and we balance our portfolio in a way that enables us to manage unforeseeable circumstances like this without compromising our overall (greenhouse gas) and fuel economy compliance," she said. GM's fleetwide fuel economy in the 2018 model year was 22.5 miles per gallon and was projected to rise to 22.8 mpg for 2019, according to a report by the Environmental Protection Agency. To meet federal CAFE requirements, automakers like GM often use credits from either earlier years where they faced less stringent rules and performed better than the requirements or buy credits from other automakers. GM said last month the chip shortage could shave up to $2 billion from this year's earnings.

GM recalls 740,000 vehicles over daytime running light issue

General Motors is recalling over 740,000 vehicles due to a daytime running light issue that causes all of the affected cars to run afoul of Federal Motor Vehicle Safety Standards. Vehicles affected by this recall are spread across many of GM’s brands. Models include the 2020-2023 Cadillac CT4 and CT5, 2021-2023 Buick Envision, 2022-2023 Cadillac Escalade and Escalade ESV, 2022-2023 Chevrolet Silverado 1500, Suburban, Tahoe and 2022-2023 GMC Sierra 1500, Yukon, and Yukon XL. GM says that the daytime running lights may remain on in these cars when the headlights are activated. This is a problem, because FMVSS rules require that the daytime running lights deactivate once the headlights turn on. If the DRLs remain on, GM says that could result in additional glare, thereby increasing the risk of an accident. The cause of this failure to deactivate the DRLs comes from body control module software that “under a combination of certain pre-conditions, could fail to deactivate the DRLs,” according to GM. Other GM vehicles were tested, but due to a difference in software or hardware, they remain unaffected. If this is reminding you of another recent GM recall, youÂ’d be right, as GM recalled another 340,000 vehicles for the same issue last month. After that original issue was found within GM, the company began looking into its other cars to determine if the population was larger than originally thought. GM found the additional vehicles included in todayÂ’s recall have the problem. The fix will either be via an over-the-air update or it will require you to bring the vehicle into a dealer for a software update, depending on which vehicle you have. Owner notification letters letting folks know what is necessary are currently scheduled to go out on January 23, 2023. Related video: Cadillac Escalade Infotainment Review