New GMC Sierra 2500HD for Sale near Hartford, CT
The 2024 GMC 2500 HD Denali Ultimate is part bulldozer and part luxury penthouse.
Sitting at the top of the Sierra’s six available trims, the Denali Ultimate is newly added for the 2024 model year and comes with nearly every available option that can be included on this full-size truck.
The Denali Ultimate trim level is offered on both the 2500 and 3500 HD models. Each provides a higher degree of towing and payload capacity than what’s available in the standard GMC Sierra 1500. To put it bluntly, the Sierra HD models are pickup overkill for anyone simply looking to tow a couple of jet skis or haul a moderately-sized camper. The “HD” in the name stands for “Heavy Duty,” and its capabilities (and price) reflect this.
Powered exclusively by a 6.6-liter turbocharged Duramax diesel V8, the HD Denali Ultimate we test drove has a maximum towing capacity of 22,500 pounds—a 4,000 pound increase versus the 2023 model. Need to tow something along the lines of construction equipment or, say, a small island? Stepping up to the Sierra 3500 HD equates to a max tow rating of 36,500 pounds when using a gooseneck trailer hitch.
Okay, so the Sierra HD lineup has serious chops for getting tough tasks done. But how does it stack up against the competition? Hop aboard as we take a look at every aspect of the HD Denali Ultimate, from how it drives, to the user-friendliness of its infotainment system, trailer tech, and whether this new top-of-the-range trim is worth the price.
4.5 Overall rating
(272 reviews)Customers say
The GMC Sierra 2500HD is a favored choice among truck owners, known for its impressive power, towing capabilities, and comfortable ride. Drivers consistently appreciate its smooth handling and luxurious features that cater to both work and leisure needs. Owners often highlight its reliability and strong performance in challenging tasks like towing heavy loads. However, some owners do express concerns regarding fuel economy and pricing, noting that it can feel expensive compared to competitors, as well as mentioning quality issues in certain models. Overall, the Sierra 2500HD stands out for its performance and comfort, making it a solid option for those in need of a heavy-duty truck.
AI generated from the text of customer reviews.
What people say
I’m not a fan of black. This truck had a black exterior and interior. It’s not for me. GM should offer more color choices.
The direct injection system and potential carbon buildup on the 6.6 gas V8 engines concern me - especially for long term use. GMC needs to work on developing a more reliable HD gas engine for longevity.
Outdated interior....GM needs to acknowledge the Classic Style with the price tag. Gunna be lots left over come August when the 24s come out. Ford owns the 3/4 ton segment as I test drove both back to back. Much better steering ratio and ride in the F250. Power was close...interior Ford owns and overall feel of the ride is Ford.
I love the AT4, but this truck was involved in an accident. The front end does not show any signs of damage but the front camera did not work when I looked at it. The tailgate must have been down because there is a dent on the top left side of it. There are a number of minor scratches noticed on the paint outside. When you open the driver’s door, since there are no running boards, the paint is worn off from driver getting in and out. High miles for a 2024. Rental company was the one owner. Price needs to be lowered.
Great truck Perfect for the family great size love it
GMC Sierra 2500HD FAQs
Is the GMC 2500 reliable?
Yes, the GMC Sierra 2500HD is known for its reliability, especially in certain model years. According to JD Power's rankings, the most reliable years for the Sierra 2500HD include 2020, 2018, 2016, 2014, 2012, 2011, and 2010. These models have earned high marks for their durability and dependability, making them solid choices if you're in the market for a heavy-duty pickup.
How many miles per gallon does a GMC 2500 diesel get?
The GMC Sierra 2500HD with the diesel engine delivers a fuel efficiency of around 17 mpg on the highway, based on tests of the Denali trim. While other diesel-powered competitors like the Silverado 2500 LTZ and Ram 2500 Tradesmen have achieved slightly better highway mileage at 19 mpg, the Sierra 2500HD still offers a respectable balance of power and fuel economy for a heavy-duty truck.
Is a GMC 2500 a good truck?
The 2024 GMC Sierra 2500 HD is indeed a good truck, known for its competence and power in the heavy-duty segment. It features a comfortable ride, a functional interior, and a potent turbocharged V8 engine. While it boasts a higher maximum tow rating than its predecessors, it still faces stiff competition from other brands. Nonetheless, it remains a solid choice for those needing a reliable and capable heavy-duty truck.
What is the MPG for a 2024 GMC Sierra 2500 HD diesel?
The 2024 GMC Sierra 2500 HD diesel has an average combined fuel economy of roughly 14 mpg, based on data from multiple vehicles, fuel-ups, and miles driven. This figure provides a realistic expectation of what owners can expect in terms of fuel efficiency, considering the truck's heavy-duty capabilities and performance demands.
Is the GMC Sierra 2500HD a good car?
CarGurus experts gave the 2024 GMC Sierra 2500HD an overall rating of 8/10 and GMC Sierra 2500HD owners have rated the vehicle a 4.4/5 stars on average. If a vehicle has both strong expert and owner reviews, you can feel confident in its quality. If either expert reviews, owner reviews, or both are spotty, you might want to do some research to figure out where the car falls short.
Is the GMC Sierra 2500HD safe?
CarGurus experts gave the 2024 GMC Sierra 2500HD a safety rating of 9/10.
What fuel types are available?
Diesel, Biodiesel, Flex Fuel Vehicle, Gasoline engines are available.
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