
What's New in the 2024 GMC Sierra Heavy Duty?
Discover something incredibly impressive in the 2024 GMC Sierra HD trim selection. Introducing the Denali Ultimate, a fully loaded heavy-duty pickup truck that sets new standards. Alongside the Denali Ultimate, we proudly present two new special editions: the HD AT4X and AT4X AEV editions. These outstanding models are sure to make a big impact at our dealership.
What are the Trims and Features of the 2024 Sierra Heavy Duty?
The Sierra HD is available in two versions: the 2500HD and 3500HD. The trim lineup includes the Pro, SLE, SLT, AT4, Denali, and Denali Ultimate. The Denali Ultimate offers an ultra-premium design, both inside and out, making it the strongest Sierra HD to date. Its interior boasts luxurious Alpine umber full-grain leather seating, massaging front seats, and elegant open-pore Paldao wood accents. The new Bose premium series 12-speaker audio system takes care of the entertainment. But that's not all-each trim in the lineup features dominant elements that define the Sierra HD:
- Standard LED headlamps (all trims)
- Best-in-class HD cargo bed volume (all trims)
- Multi-Pro tailgate (SLE)
- 13.4-inch diagonal touchscreen system (SLT)
- 20" gloss-black aluminum wheels (AT4)
- Forge perforated leather seating (Denali)

What is the Horsepower of the 2024 Sierra Heavy Duty?
V8 engines power the Sierra HD throughout. Its 6.6L V8 gas engine delivers 401 horsepower and 464 lb-ft of torque, providing a maximum towing capacity of 22,070 pounds on the Sierra 2500HD. A 6.6L Duramax turbo-diesel engine is also available, paired with the standard 10-speed automatic transmission. This diesel variant offers 470 horsepower and an impressive 975 lb-ft of torque, enabling a maximum towing capacity of up to 36,000 pounds.
What Safety Features Are Included in the 2024 Sierra Heavy Duty?
Trucks like the Sierra HD are built for heavy-duty tasks, and safety is paramount. That's why GMC provides the most trailering-assistance features in its class, ensuring your safety as well as that of other drivers on the road. The Sierra Heavy Duty includes features such as automatic emergency braking, front and rear park assist, and lane departure warning.
Visit Our Scottsdale Dealership Today
Come to our dealership and witness the 2024 GMC Sierra HD in action.
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