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2024 GMC Sierra HD unveiled with new design and more powerful turbodiesel V8

The 2024 Chevrolet Silverado HD made its debut in September 2022, so it was only a matter of time before the GMC Sierra HD received a similar round of updates. Unveiled online, the truck gains a new-look design and a more powerful turbodiesel V8, among other changes. GMC developed the Sierra HD primarily for towing and hauling so the most significant changes are found under the hood. The available 6.6-liter turbodiesel Duramax V8 engine now develops 470 horsepower at 2,800 rpm and 975 pound-feet of torque at 1,600 rpm, figures that represent increases of 25 and 65, respectively, over the 2023 model and that match the 2024 Silverado HD's. GMC notes it increased low-end torque by about 25% by fitting a new turbocharger. The V8 spins the rear or the four wheels via a 10-speed automatic transmission.  On the gasoline side of the spectrum, the 6.6-liter V8's output stays flat at 401 horsepower and 464 pound-feet of torque. It's now bolted to a 10-speed automatic transmission, and replacing the 2023 truck's six-speed lets the engine run closer to its peak power for longer periods. Here again, rear-wheel-drive comes standard and a part-time four-wheel-drive system is available across the entire line-up. Properly equipped, the 2024 Sierra 2500 HD Crew Cab can tow up to 21,900 pounds. The standard 2500 HD's towing capacity checks in at 22,500 pounds (a 4,000-pound improvement), and the 3500 HD is capable of towing up to 36,000 pounds — that's nearly 13 Subaru BRZs. Buyers have a dizzying selection of trim levels and body styles to choose from. The range includes Regular, Extended, and Crew cabs as well as seven trim levels called Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate, respectively. The AT4X variant will not be available at launch, and the Denali Ultimate is new for the 2024 model year. Additionally, 3500 HD models can be ordered with dual rear wheels. What the truck looks like depends on the trim level. Broadly speaking, designers drew a more angular front end with a new-look grille, sharper-looking lights, and a redesigned bumper. New wheels are part of the update as well; the 3500 HD dually gets 18-inch polished aluminum wheels, and 22-inch units are optional on single-rear-wheel trucks. Finally, the color palette grows with six optional shades called Titanium Rush Metallic, Sterling Metallic, Volcanic Red Tintcoat, Redwood Metallic, Meteorite Metallic, and Downpour Metallic, respectively.

3 Quick Takes on the new Hummer EV

The 2022 GMC Hummer EV truck debuted Tuesday with 1,000 horsepower and up to 350 miles of range. It marks the return of the Hummer name after a decade-long absence and is the most ambitious electric vehicle General Motors has attempted. Here are three quick takes. This is how major vehicles will be revealed going forward The unveiling during Game 1 of the World Series on Fox and during The Voice on NBC could only have been bigger if done during the Super Bowl. A two-network debut complete with LeBron James providing voiceover for the commercial. On Fox, World Series play-play man Joe Buck neatly set up the spot and told millions of viewers that the order bank was now open. Then the Hummer debuted in what looked like a cut from the next Transformers movie. OK, this is not how every major car will be revealed, but the direct-to-consumer, as-many-eyeballs-as-possible, made-for-TV (or social media) event will be a key strategy going forward. In the last few months, the Detroit, Los Angeles and New York auto shows have all played leapfrog with dates, confusing many observers. The pandemic has obviously exacerbated the decline of auto shows, but if you’re an automaker, why share the spotlight in a convention hall? Most car reveals wonÂ’t be network TV spectacles, like the Hummer, but streaming services and other platforms will make a lot more sense than traditional means as companies compete for new buyers. This is how the Tesla Cybertruck should have looked Most would say the Hummer is pretty cool looking. The headlights, the grille, the blocky fenders and huge wheels — yeah, this looks straight out of central casting. ItÂ’s what you expected the reborn Hummer to look like, nominally now in the service of the GMC brand. Tesla made the Cybertruck a bit too crazy. Sure, itÂ’s attention-getting. But look at the Tesla. No one can objectively say the Cybertruck is aesthetically pleasing, from the shape to the features. ItÂ’s out-of-step with the graceful Model S and Model 3 sedans. The Hummer is futuristic, has interesting elements — like underbody cameras for off-roading and a T-top — and a massive presence. It doesnÂ’t need to do more. The addition of Super Cruise technology, however, is a nice touch. GM is serious about EVs The Hummer leads a blitz of EVs from GM, which is quietly yet ambitiously laying out an electric future.

2024 GMC Sierra 1500 AT4X makes Duramax diesel standard

Changes are afoot for the 2024 GMC Sierra 1500 lineup. The one ringing the biggest bells for the off-roading crowd is the engine swap headed to the AT4X trim. Right now, if you want an AT4X you've got Hobson's choice of engines: The 6.2-liter EcoTec V8 with 420 horsepower and 460 pound-feet of torque. Next year, the 3.0-liter Duramax turbodiesel inline-six that's standard equipment on the AT4 and Denali Ultimate trims becomes the standard engine on the AT4X. The oil-burner makes 305 hp and 495 lb-ft., sent through the same ten-speed automatic the 6.2 V8 is yoked to. GM said around 20% of buyers have checked the Duramax box when buying a Sierra 1500 since the automaker released the upgraded engine for the 2023 model year — it's also offered on the SLE, Elevation, SLT, and Denali trims. The percentage should grow thanks to the diesel's low-speed grunt being one of the best "force multipliers" when traipsing over and through particularly challenging corners of the woods. The 6.2-liter will take the exhaust note crown over the diesel after the introduction of an active exhaust system with a Sport mode exclusively for the 6.2. Assuming no more changes to engine lineups before the 2024 Sierra arrives, the SLT, AT4, Denali, Denali Ultimate, and AT4X will have access to the active exhaust option.   GM Authority says the Duramax is getting another maximal friend in 2024, too. The 2.7-liter Turbo High-Output four-cylinder makes 310 hp and 430 lb-ft and is standard equipment on the entry-level Pro trim. the SLE, and Elevation trims will be renamed "TurboMax," which sounds like an Autobot, and that's not a bad thing. GM applied to trademark the name in January. The new moniker is headed to the Chevrolet Silverado as well, and we'd bet on exterior badging to let the world know.  Elsewhere around the Sierra, there will be two new exterior colors, Downpour Metallic and Thunderstorm Gray, mixable and matchable with two new aluminum wheel designs. And between those wheels, power retractable steps will be available for the Denali, Denali Ultimate, AT4 and AT4X trims. We'll be waiting to see how the steps differ from the GMC MultiPro Power Steps available now for $1,195.  Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.