From the hardworking Pro and the well-equipped SLT to the off-road ready AT4 and the luxurious Denali Ultimate, there’s a 2025 GMC Sierra HD trim ready to help you take on whatever lies ahead. Stay informed and in command using the numerous innovative amenities available in the 2025 Sierra HD lineup. An available tablet-style touchscreen is the customizable centerpiece of the Sierra HD cabin, while the available multicolor 15″ diagonal Head-Up Display can project key information directly onto your windshield. Control and customize important vehicle, driving and infotainment content in high-resolution clarity with Sierra HD’s available 12.3″ diagonal digital Driver Information Center. It’s time to reach the full potential of every adventure, using the tech-savvy features found within the 2025 GMC Sierra HD lineup of pickups.
Numerous engine and transmission options help create a Sierra HD built for your mission. Available performance features include:
Skid plates
Autotrac® 2-speed transfer case
Integrated Power Take-Off (PTO)
6.6L Duramax Turbo-Diesel V8 engine
And more
2025 GMC Sierra HD cabs go a long ways towards making every journey a first-class adventure. Available interior features include:
Front bucket seats
All-weather floor liners
Bose® Premium Series audio
Dual-zone automatic climate control
And more
Stand out everywhere with the iconic grille and front-end design of the 2025 GMC Sierra HD. Available exterior features include:
Black Sport steps
Cargo bed LED lighting
GMC MultiPro Tailgate
20″ machined aluminum wheels
And more
Frequently Asked Questions about the 2025 GMC Sierra HD
What are the engine options for the 2025 GMC Sierra 2500HD and 3500HD?
The 2025 GMC Sierra 2500HD and 3500HD come with two powerful engine options. The standard engine is a 6.6L V8 gas engine, which produces 401 horsepower and 464 lb-ft of torque. For even more towing and hauling capability, there’s the available 6.6L Duramax® Turbo-Diesel V8, generating 470 horsepower and an impressive 975 lb-ft of torque.
What is the towing capacity of the 2025 GMC Sierra 2500HD and 3500HD?
When properly equipped, the 2025 GMC Sierra 2500HD can tow up to 18,500 lbs with either the gas or Duramax® Turbo-Diesel engine. The 3500HD, designed for even heavier loads, has a maximum towing capacity of 36,000 lbs when paired with the Duramax® Turbo-Diesel engine in a dual rear-wheel configuration.
What is the payload capacity of the 2025 GMC Sierra 2500HD and 3500HD?
The 2025 GMC Sierra 2500HD offers a maximum payload capacity of 3,979 lbs. The 3500HD, depending on its configuration, can carry up to 7,290 lbs, making it ideal for heavy-duty work requirements.
What trims are available for the 2025 GMC Sierra 2500HD and 3500HD?
The 2025 Sierra 2500HD and 3500HD are available in multiple trims to suit various needs and preferences: Pro, SLE, SLT, AT4, and the top-tier Denali and Denali Ultimate. Each trim level offers different combinations of features, luxury, and off-road capability.
What are the new features of the 2025 GMC Sierra HD models?
New for 2025, the Sierra HD models feature updated interior design options, enhanced towing technologies like an improved ProGrade™ Trailering System, and more advanced safety features. The Denali Ultimate trim now includes exclusive leather appointments and high-end technology for a more premium experience.
What advanced towing features are available on the 2025 GMC Sierra HD?
The 2025 Sierra HD models offer a range of advanced towing features, including an updated ProGrade™ Trailering System, Trailer Side Blind Zone Alert, and up to 14 available camera views for enhanced visibility while towing. The integrated trailer brake controller and available Digital Variable Steering Assist also make towing easier and safer.
What off-road capabilities does the 2025 GMC Sierra 2500HD and 3500HD offer?
The 2025 Sierra HD models, particularly the AT4 trim, are equipped with serious off-road capabilities. They feature off-road-tuned suspension, skid plates, all-terrain tires, and an Eaton® automatic locking rear differential to tackle tough terrain with ease.
What interior features are available in the 2025 GMC Sierra 2500HD and 3500HD?
Inside the 2025 Sierra HD models, you’ll find a blend of rugged durability and premium comfort. Available features include leather-appointed seating, a 13.4-inch diagonal infotainment screen with Google built-in, and the Denali Ultimate trim adds real wood accents, full-grain leather, and a 12-speaker Bose® Premium Sound System.
What safety features are included in the 2025 GMC Sierra 2500HD and 3500HD?
The 2025 Sierra HD models come with GMC’s advanced safety suite, including standard features like Forward Collision Alert, Automatic Emergency Braking, and Lane Departure Warning. Available safety enhancements include Rear Cross Traffic Alert, Lane Change Alert with Side Blind Zone Alert, and the new Trailer Side Blind Zone Alert.
What’s the difference between the 2025 GMC Sierra 2500HD and 3500HD?
The primary difference between the Sierra 2500HD and 3500HD is their payload and towing capacities. The 3500HD, especially when equipped with dual rear wheels, offers significantly more towing and payload capability than the 2500HD. Both models share the same engines and many features, but the 3500HD is built for those who need to handle the heaviest of loads.