*Pre-owned prices shown exclude tax, tag, and doc fees. Every effort is made to ensure accurate prices, options, and features, however, in the event of a mistake, dealer cannot be held liable.
The 2025 GMC Sierra 2500HD Denali sits at the top of the heavy-duty pickup segment, blending exceptional strength with high-end luxury and premium craftsmanship. Built for drivers who demand maximum capability without compromising comfort or refinement, the Sierra 2500HD Denali is one of the most capable and upscale trucks available today. With strong towing and hauling performance, advanced driver-assistance technologies, and a striking design inside and out, it is ideal for both demanding work environments and elevated everyday driving.
Powerful Capabilities and Proven Performance
The 2025 Sierra 2500HD Denali is engineered to handle tough jobs and heavy loads with ease, offering two powerful and dependable engine options:
6.6L Gas V8 Engine (Standard)
Produces 401 horsepower and 464 lb-ft of torque
Paired with a 10-speed automatic transmission for smooth shifting and consistent power
Ideal for drivers needing reliable strength for towing, hauling, and everyday driving
Available 6.6L Duramax Turbo-Diesel V8
Generates an impressive 470 horsepower and 975 lb-ft of torque
Offers exceptional pulling power and long-distance durability
A perfect choice for serious towing, heavy equipment hauling, RV towing, and demanding job-site work
Both engines are mated to the refined 10-speed transmission, which helps maximize torque delivery, maintain optimal engine RPM, and provide a confident driving experience whether climbing steep grades or cruising on open highways.
Advanced Towing Capability
With the right configuration, the Sierra 2500HD Denali offers over 22,000 pounds of towing capacity, making it one of the strongest performers in the heavy-duty class. Drivers benefit from advanced trailering assistance tools, including multiple camera angles, hitch guidance systems, trailer brake integration, and profile customization that stores trailer types and settings for repeated use.
Bold and Luxurious Exterior Design
The 2025 Sierra 2500HD Denali features a commanding presence highlighted by exclusive design elements, giving it a premium yet rugged look.
Exterior Highlights
Denali-exclusive chrome grille with intricate detailing
Chrome accents throughout the body for an upscale appearance
LED headlights, fog lights, and taillights for enhanced visibility
Striking 18- or 20-inch alloy wheels depending on configuration
Body-color bumpers and premium trim finishes
Available MultiPro tailgate with six functional positions for loading, access, and working
High-strength steel bed with convenient tie-downs and available LED bed lighting
The exterior blends elegance with practicality, making the Denali as impressive on a job site as it is pulling up to a night out.
Premium Interior Designed for Comfort and Control
Step inside the 2025 Sierra 2500HD Denali, and youre greeted by a luxurious, quiet, and well-crafted cabin that feels more like a premium SUV than a traditional heavy-duty truck.
Interior Comfort Features
Premium leather seating with intricate stitching
Heated and ventilated front seats
Heated rear outboard seats
Heated leather-wrapped steering wheel
Power-adjustable front seats with lumbar support
Driver memory settings
Large center console with abundant storage
Sound-insulated cabin designed to minimize road and engine noise
The cabin is roomy and comfortable for all passengers, offering excellent visibility and thoughtful ergonomics that support long-distance travel and high-demand work days.
Advanced Digital Technology and Connectivity
The 2025 Sierra 2500HD Denali is equipped with cutting-edge technology designed to improve convenience, safety, navigation, and entertainment.
Infotainment and Tech Features
Large touchscreen infotainment system with crisp gra
