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2019 GMC Sierra Denali MultiPro tailgate and CarbonPro bed explained

When the 2019 Chevy Silverado debuted at the Detroit Auto Show in January, GM's Mark Reuss promised that the new 2019 GMC Sierra would have some significantly different styling and features than its corporate sibling. Previously, the Sierra has been little more than a Silverado with new front and rear fascias and some extra chrome inside and out. Well, Reuss was right. In addition to new sheetmetal, the Sierra exclusively gets the slick MultiPro tailgate and CarbonPro carbon-fiber bed box The tailgate really is trick. At the debut, GMC had multiple demonstrations, with engineers walking us through all six different configurations. Like all Sierra tailgates, the MultiPro version uses an aluminum skin to reduce weight. It's easy to tell which tailgate is which, as the MultiPro has a distinct cutout in the middle where it can fold down or extend. It can be used to extend the bed, drop to allow easier access, provide a sort of workbench, or be used as a step to help get into the bed. Yes, there's even a handle. Ford who? The step itself can support up to 375 pounds, 75 pounds more than Ford's similar tailgate step. This tailgate really is unique to the Sierra and is standard on SLT and Denali models. That said, the power-operated tailgate from the Silverado won't be coming to the GMC. Chevy gets its own exclusive, too. The Sierra's other big exclusive is the carbon-fiber reinforced plastic bed box. CFRP replaces steel inside the bed though not on the fenders. The bed uses four pieces; one for the bottom, one in the back and two along the sides. This isn't a CFRP. There is no steel hiding underneath these panels. Just take a peek underneath. The bed is a composite that uses 1-inch carbon-fiber threads, not a weave. Sheets of CFRP are molded and quenched — a process where the plastic coagulates and solidifies, locking in the carbon fiber — in just 60 seconds. That allows GMC's supplier to crank out these much more quickly. The finish looks like black fiberglass, though an engineer said that this wasn't the final production version. The final model will have different textures in order to improve grip and keep things from sliding around. GMC is touting the material's dent and corrosion resistance, though it remains to be seen how well it holds up to cracking. A video at the reveal showed people going after it with hammers and cinder blocks, but in-person demonstrations weren't available.

2024 GMC Sierra EV Denali Edition 1 reservations closed

Reservation slots for the 2024 GMC Sierra EV Denali Edition 1 are gone. As is the case with just about every vehicle that can be reserved, regardless of cost, there weren't enough slots to satisfy the initial rush. Carscoops noticed the situation first, getting confirmation from GMC that the only avenue remaining for now is to get on a waitlist. GMC's page for the Sierra EV affirms the same, declaring "Reservations are currently full" for the Denali Edition 1. Doing so meant putting down a $100 refundable deposit, a nominal sum that anyone could back out of, but we know by now that market conditions mean between reservation holders and the waitlist there are plenty who will conclude the transaction. Duncan Aldred, head of GMC and Buick, said so himself, telling Automotive News, "It's pretty amazing. A few years ago, when we were planning Hummer, the amount of vehicles sold over $100,000 in the entire industry was not that many. Now, that has radically changed in the last three years. There's been a rapid increase in vehicle prices and there's been an even quicker rise at the top end. We expect to sell out really quite quickly." The Sierra EV Denali Edition 1 comes loaded with quilted seats, real wood trim, Super Cruise, and two motors making a combined 754 horsepower and 785 pound-feet of torque, and starts at $108,695. We don't have a number to put to the phrase "sell out," though. As GM did with the Cadillac Lyriq and Chevrolet Silverado EV, reps wouldn't divulge production caps. Aldred did admit that the reservation number is below 10,000. Two more Sierra EV trims are coming, but they're not due until 2025. That starts with the base Elevation trim bringing an MSRP around $50,000. Note, that MSRP is the prediction now. Three years is a long way away. When reservations open to the public for the standard Sierra EV Denali expected in 2024 and the following trims, GMC plans to keep a tight lid on the pot. Remember, with the Hummer EV, GMC took so many reservations that current production rates mean the automaker won't clear the list for years. Production rates will climb, certainly. However, GM builds the pickups and its Cruise Origin delivery vehicle at its Factory Zero, and there are already 110,000 Silverado EV reservations alone to get through.

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.