2024 GMC Sierra HD Review, Specs, Price

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2024 GMC Sierra HD Review, Specs, Price

GMC Sierra HD trucks can lift a huge amount of weight, but their Herculean efforts don't stop there. These powerful workhorses have a comfy leather saddle inside and gleaming chrome external parts. They also clean up very well. The Sierra 1500, which was reviewed separately, is a half-ton model, and the Sierra 2500HD and 3500HD are its jumbo-shrimp. When it comes to luxury and finish, these GMC pickups are superior to Chevy's Silverado HD models. The base powerplant is a 401-hp 6.6-liter V-8 with a 10-speed automatic, but the Sierra HD's maximum conventional towing capacity of 22,500 pounds requires an optional 470-hp Duramax turbo-diesel V-8 with a 10-speed automatic transmission. The Sierra HD works smarter, not harder, thanks to extra trailer assistance features like Transparent Trailer View, Trailer Side Blind Zone Alert, and optional adaptive cruise control when trailering. The heavy-duty Sierra is a good option for anyone who have a big truck-sized hole in their heart, even though it lacks the style and maximum hauling of rivals like the Ram HD and Ford Super Duty.

In addition to more significant modifications like an updated powerplant that increases towing capacity and a completely new trim, GMC's toughest pickup receives a minor appearance update. New LED headlights and taillights with sequential turn signals are added to the Sierra HDs' updated front design. The power and torque of the 6.6-liter Duramax turbocharged diesel V-8 have been boosted to 975 pound-feet of torque and 470 horsepower, respectively. The Sierra 2500HD and 3500HD models now have a greater maximum rating of 22,500 pounds at the hitch due to the improved power. The Allison-certified 10-speed automatic, which was previously only available for the diesel engine, replaces the six-speed automatic transmission found on the 401-hp 6.6-liter V-8 gas engine. In addition to the 2500HD and 3500HD, the brand-new Denali Ultimate trim delivers even more luxury than the well-liked Denali tier.

Like the Sierra 1500, the Denali Ultimate also has leather-wrapped door panels, a steering wheel, and handles for the A and B pillars. Intricate leather stitching with a geographical map of Mount Denali in Alaska is also affixed to the 16-way power-adjustable front heated and cooled bench seats. New trailering technology, such as gross combined weight (GCW) warning, adaptive cruise control with trailering, and GM's Transparent Trailer View, which is now suitable for fifth wheel and gooseneck trailering, complements these changes. For 2024, the Sierra HD's standard driver aid technology has also been increased. In addition to the AT4X off-road trim, there is an AEV Edition with thicker skid plates, steel bumpers, and 18-inch AEV wheels.

Depending on the trim and options, the 2024 GMC Sierra 2500HD and 3500 HD can cost anywhere from $46,520 to $93,795. Pro $46,520.  SLE $51,095. $62,395 is the recommended SLT. AT4 $70,995. Denali $75,095. AT4X $83,695. $93,795. Denali Ultimate. The team choose the Sierra 2500HD's regular bed and begins with the crew cab. Despite their improved looks, the team avoids the tough AT4 and chrome-laden Denali variants. Rather, the team suggests selecting the SLT trim level and equipping it with a diesel V-8 and four-wheel drive. Remote start, a heated steering wheel, power-adjustable front seats, heated front seats, and GMC's multipurpose MultiPro tailgate are all standard on the SLT. Compared to the lower-end SLE trim, it also opens additional options. We would choose the SLT Convenience option, which comes with heated rear seats, a power-sliding rear window, and front bucket seats with ventilated cushions. The addition of the Driver Alert kits is also worthwhile because they make the giant more livable with features like lane-departure warning, blind-spot monitoring, and front and rear parking sensors.

For a car of its size, the 2024 Sierra 2500 HD offers the kind of handling you would anticipate. In other words, this heavy-duty vehicle is not very thrilling or interesting, but it also does not make for a poor ride. The heavy truck is challenging to maneuver in parking lots and on narrow highways, and the steering is uninteresting and unresponsive. Highway driving is manageable, though, and the ride is enjoyable.

Two different engine options are available. The 6.6-liter V8 gas-fed basic engine produces 464 pound-feet of torque and 401 horsepower. A 6.6-liter Duramax V8 turbodiesel with 470 horsepower and 975 pound-feet of torque is also an option. A 10-speed automatic transmission is standard on all Sierra 2500 HD models, which contributes to their ability to be a capable tower and transporter. This additional refinement is especially helpful for the gas-powered engine. Although both engines have sufficient power for the majority of hauling tasks, the turbodiesel will be especially advantageous for anyone who regularly transports large loads.

You must choose the optional turbodiesel engine, the Regular Cab, rear-wheel drive, and the Max Trailering package in order to get the highest tow rating. This increases your towing capacity to 22,500 pounds. With a payload rating of 3,850 pounds, the four-wheel-drive Regular Cab with the turbodiesel engine is the most capable of towing.

A maximum of 36,000 pounds may be pulled by the most powerful Sierra 3500HD. However, the diesel engine, standard cab, rear-wheel drive, dual-rear-wheel axle, and gooseneck hitch are necessary for those enormous capabilities. A fifth-wheel hitch reduces the truck's capability to 32,000 pounds. Only a single rear-wheel axle is available for the Sierra 2500HD, and its most robust model can tow 22,500 pounds.

2024 GMC Sierra HD Review, Specs, Price

We can only evaluate the Sierra HD's and its massive competitors' real-world mpg on our highway fuel-economy route because the EPA does not test cars that hefty. The single Sierra 2500HD Denali that we tested had a diesel engine, and it got 17 mpg on the interstate. In contrast, the Ram 2500 Tradesmen standard cab diesel and the diesel-powered Silverado 2500 LTZ crew cab both achieved 19 mpg. Expect significantly lower fuel economy than the diesel option if you continue to drive the GMC's basic gas-fed V-8.

Although the 2024 Sierra 2500 HD has some soft-touch surfaces and good design elements, they are vastly overwhelmed by hard plastics that are functional but unsightly. Even the Denali Ultimate can not match the luxurious cabins provided by competitors, but higher trims get a few extras to help bring everything together. Depending on the arrangement, there can be anywhere from three to six persons. Depending on whether you choose bucket seats or front bench seats, the Double Cab and Crew Cab can accommodate five or six passengers. The single-row Regular Cab can accommodate three passengers on a front bench seat. All three taxis have roomy and comfy front seats. The Crew Cab is the most comfortable ride for backseat passengers because it offers even more legroom than the Double Cab's rear seats.

The Sierra has either an 8-foot-2-inch long bed or a 6-foot-10-inch standard bed. The range of payload ratings is 3,381 to 3,850 pounds. A MultiPro tailgate, a spray-in bed liner, lighting, and a home-style electrical outlet for the bed are among the available options.

A touchscreen infotainment system with Apple CarPlay and Android Auto is standard on all Sierra HDs. Base models can still be equipped with a mobile hotspot and a 120-volt outlet, although having fewer options. An 8.0-inch screen and extra charging connections are features included in the majority of trim levels. Every system has a set of readily accessible physical buttons and rotary knobs. SiriusXM satellite radio, a Bose sound system, a rear-seat entertainment system, and integrated navigation may all be added to the larger touchscreen. The most integrated experience is provided by a huge 13.4-inch infotainment touchscreen that is compatible with both Apple CarPlay and Android Auto and has features like split-screen navigation and Google Built-in. The Denali and Denali Ultimate trims come with this display as standard. Additionally, GMC provides a smartphone app that allows trailer operations to be controlled remotely. Similarly, customers can maintain various trailer profiles to keep an eye on upkeep using the truck's infotainment system.

Although a variety of driver-assistance technologies are available for the truck, only few of them are standard, and heavy-duty competitors provide considerably more aid. On the other hand, the GMC boasts a sophisticated camera system with up to 15 viewing modes, including a "transparent" option that lets the user see through an attached trailer as though it were not there. Visit the websites of the Insurance Institute for Highway Safety (IIHS) and the National Highway Traffic Safety Administration (NHTSA) to learn more about the Sierra HD's crash-test results. Automated emergency braking and standard forward-collision warning are important safety features. typical lane-departure alert. Rear cross-traffic warning and blind-spot monitoring are available.

In contrast to its competitors Ford and Ram, GMC offers a competitive warranty plan that compares in coverage and includes one free scheduled maintenance visit. 36,000 miles or three years are covered by the limited warranty. The powertrain warranty is valid for 60,000 miles or five years. The first year is covered by free maintenance.

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