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2024 Sierra 2500 HD: What’s New for One of GMC’s Most Powerful Pickups?

A white 2024 GMC Sierra 2500 HD AT4 parked off-road.

It’s no secret that, for those destined to tackle tough tasks, there's no better vehicle than a heavy-duty truck. From exhibiting top towing strength to a bold and rugged build that helps it endure the struggle, a heavy-duty truck is one of the most trusted companions for hard workers across America. One of the best of this ilk is the GMC Sierra 2500 HD, and for the latest of its name to hit the streets, it's more compelling than ever.

If you’re searching for a GMC Sierra 2500 for sale, we have a fabulous selection of them right here at LaFontaine Buick GMC Dearborn, armed with the features you need to impact your ride in all the right ways. So, could the 2024 Sierra 2500 HD be right for you? Let’s explore all of the phenomenal new features and capabilities this strong truck offers so that you can make the best decision for your needs.

Increased Power

Perhaps what’s most appreciated by hard workers everywhere is that the 2024 Sierra 2500 HD offers significant power from its superior diesel engine, allowing you to be able to take on larger challenges. Its 6.6L Duramax Turbo-Diesel V8 has been recently retooled, so it now offers 470 hp and 975 lb-ft of torque, which is a definite difference from models prior. Not only does this allow you to travel with more excitement, but it also thoroughly impacts towing.

Able to handle up to 22,500 lbs without issue—which is a class-leading accolade for crew cab models—the Sierra 2500 HD is more capable than ever, offering the power needed to take on hulking loads with absolute certainty. This durable diesel has increased its low-end torque by 7% from previous models, and with elevated exhaust brake performance and towing control, hauling anything is no sweat for this seasoned workmate.

Even its base gas-powered 6.6L V8 has been enhanced this year, now paired with a ten-speed Allison transmission, adding more refinement to the ride. You’re also able to take advantage of heightened towing capabilities, with this lively V8 able to tow up to 18,700 lbs without hesitation. If you’re looking for maximum power from your tough truck, the 2024 Sierra 2500 HD may just be your perfect companion.

Ultimate Luxury

For those looking for a more luxurious way to travel, the first-ever Sierra 2500 HD Denali Ultimate will deliver the features and experience you need to make your time behind the wheel exceptional. With full-grain leather seating, open-pore Paldao wood accents, and best-in-class 16-way power front seats with massage features, the Denali Ultimate trim envelops you in high-end elegance while you travel.

Premium materials and exclusive Denali logos surround you, and when it comes to making a statement, the exterior of this icon will surely thrill you. A signature Vader Chrome grille, 20-inch ultra-bright machined aluminum wheels, and specialized fender badging command your attention no matter where the Sierra 2500 HD goes.

The experience you’ll have on board the Denali Ultimate is one-of-a-kind. As premium appointments surround you, you’ll also get to enjoy premium features, including top-level tech. From a 13.4-inch center touchscreen (the largest in its class) to a 12.3-inch Driver Information Center, you’ll have access to all of the relevant information about your drive, as well as connectivity right at your fingertips.

Opt for the 15.0-inch head-up display and enjoy all of the pertinent information about your ride right in your eye line as you travel. If there’s one thing that the GMC brand excels at, it’s luxury, and the all-new Denali Ultimate elevates the Sierra 2500 HD in all new ways.

A black 2024 GMC Sierra 2500 HD towing a trailer.

Trailering Innovation

The heavy-duty Sierra 2500's arsenal showcases the most available trailering tech in its class, which makes the 2024 Sierra 2500 HD one of the most trusted towers around. With ProGrade trailering tech, you’re able to have heightened control over your haul with features like tire pressure monitoring, trailer sway control, and a dedicated Tow/Haul mode.

New for 2024, you’ll be able to enjoy adaptive cruise control with trailering, helping you remain at a safe speed and distance from fellow travelers with your trailer attached. You’ll also get to take advantage of gross combination weight alerts to help you travel with confidence that your trailer isn’t overloaded.

Up to fourteen available camera views can be enjoyed in the Sierra 2500 HD, and for 2024, Transparent Trailer View gets even better with the ability to harness this exceptional tech for gooseneck and fifth wheel trailering needs. This view allows you to see past your trailer as though it’s not even there, helping you see better behind you and maneuver safely. You’ll also enjoy enhanced hitch views, surround views, and inside views to keep an eye on what’s going on in and around your trailer at all times.

AT4X Exhilaration

Another new trim makes its way into the Sierra 2500 HD lineup for 2024, and that’s the off-road-ready AT4X, which takes the capabilities of the rugged AT4 and elevates them further. With a factory-installed 1.5-inch suspension lift, Multimatic DSSV dampers, and 35-inch mud-terrain tires, the Sierra 2500 HD AT4X can travel anywhere it pleases with an intensity that can’t be rivaled. An electronically locking rear differential provides the level of control you need on challenging terrain, while a large skid plate helps to protect your truck from the obstacles that it’s cruising over.

Choose to intensify your ride with the AT4X AEV Edition, which adds in American Expedition Vehicles' stamped-steel bumpers and skid plates, 18-inch Salta wheels, and AEV badging inside and out. If you want to take your adventures to the next level, the AT4X trim will surely deliver the experience you desire. With 11.8 inches of ground clearance and a durable build, there’s nowhere this terrain-conqueror can’t travel.

Intimidating Presence

The Sierra 2500 HD line gets an update to its exterior overall, with a more intimidating stare that will take your breath away. With a revitalized front fascia and brilliant LED headlights and taillights, you’ll surely make a statement as you pass other motorists. An available redesigned grille for its Denali trims—as well as animated lighting sequences—completes the look of this do-anything traveler.

Available with the world’s first MultiPro tailgate, the ability to complete any task you set out to accomplish is made even easier. This revolutionary feature (which debuted a few years ago) allows you to operate your tailgate in six distinct ways to help you handle large or oddly shaped loads. It also configures to act as a work surface, access step, and much more, delivering a sense of functionality you won’t find elsewhere.

A black 2024 GMC Sierra 2500 HD is shown towing a camper van.

Could the 2024 Sierra 2500 Be Right for You?

If you’re looking for a truck that can do it all, a heavy-duty truck like the Sierra 2500 HD is it. What makes the 2024 Sierra 2500 HD so special is the fact that GMC pulled out all the stops to enhance it in virtually every way. From more power in its diesel engine to fantastic new off-roading and luxury trims, this heavy-duty icon is the best it’s ever been.

What’s more is that you’ll be able to take advantage of some of the most intuitive trailering tech in the business, and you'll be making a statement wherever you travel with this pickup's intimidating persona. If you want to revitalize your drive, the 2024 Sierra 2500 HD is one of the best-suited trucks for meeting your needs on the job site, highway, and beyond.

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Front grille view of a red 2027 Buick Enclave ST parked under bridges.

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Infotainment screen in a 2024 GMC Terrain Denali

Navigating the Latest Tech of the 2024 Terrain

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