Used 2023 GMC Sierra 3500HD Denali

The 2023 GMC Sierra 3500HD Denali blends commanding heavy-duty performance with premium luxury, cutting-edge technology, and versatile utility. Powered by the potent Duramax 6.6L V8 Turbo Diesel or available 6.6L V8 Gas engine and paired with a smooth Allison 10-speed automatic transmission, this heavy-duty pickup delivers exceptional towing, payload capability, and highway comfort. With a bold, refined exterior and a meticulously crafted interior, the Sierra 3500HD Denali stands out on the worksite, highway, or off-road adventure. 

Performance & Capability 

• Engine: Duramax 6.6L V8 Turbo Diesel or 6.6L V8 Gas for impressive torque, towing power, and durability 

• Transmission: Allison 10-speed automatic transmission for smooth shifts under heavy loads 

• Drivetrain: 4x4 system with Autotrac two-speed transfer case for traction on any surface 

• Axle Ratio: 3.42 rear axle for optimal towing performance and stability 

• Suspension: Heavy-duty suspension with Z71 off-road package for rugged terrain performance 

• Towing Technology: Integrated trailer brake controller, hitch guidance, and advanced trailer camera provisions for confident hauling 

• Differential: Automatic locking rear differential for improved traction under load 

Comfort & Convenience 

• Seating: Leather-appointed heated and ventilated front seats with power and memory adjustments 

• Rear Seats: Heated rear outboard seats and spacious Crew Cab seating for long trips 

• Climate Control: Tri-zone automatic climate control for driver, front passenger, and rear passengers 

• Windows & Entry: Power sliding rear window with defogger, keyless open, push-button start, and remote start system 

• Storage & Utility: Front center console, rear seat storage package, and multiple cabin compartments 

• Steps & Accessibility: Chrome assist steps for easier cabin entry, even with heavy-duty gear 

Technology & Connectivity 

• Infotainment: Premium GMC infotainment system with navigation, HD display, and head-up display 

• Audio: Bose® premium sound system for immersive audio experience 

• Connectivity: Wireless Apple CarPlay®, Android Auto™, dual USB ports, and 120V AC outlets in both cabin and bed 

• Driver Display: Enhanced, reconfigurable digital driver information center for real-time data 

• Trailer & Bed Support: MultiPro tailgate, EZ Lift power lock tailgate, and LED cargo bed lighting 

Safety & Driver Assistance 

• GMC Safety: Advanced Forward Collision Alert, Low-Speed Automatic Braking, Lane Departure Warning, and Following Distance Indicator 

• Camera Systems: HD Surround Vision with multiple trailer camera provisions and rear camera mirror 

• Blind Spot & Cross-Traffic: Lane Change Alert with Side Blind Zone Alert and Rear Cross-Traffic Alert 

• Airbags: Comprehensive system with front, side, and curtain airbags 

• Additional Safety: Teen Driver mode, Rear Park Assist, and tire pressure monitoring system 

Exterior Styling & Utility 

• Wheels & Tires: 20" polished aluminum wheels  

• Lighting: LED headlamps, LED fog lamps, IntelliBeam automatic high beams, and perimeter lighting 

• Exterior Design: Chrome accents, body-color bumpers, chrome recovery hooks, and bold Denali grille 

• Bed Utility: Spray-on bedliner, LED cargo lighting, MultiPro tailgate for versatile loading and worksite use 

• Aerodynamics & Protection: Active aero shutters, skid plates, and heavy-duty bumpers for both function and style 

Whether you’re towing heavy equipment, carrying maximum payloads, or cruising on the highway, the 2023 GMC Sierra 3500HD Denali delivers unmatched capability, luxury, and confidence. It’s the perfect choice for drivers who need serious work-ready strength without sacrificing comfort, technology, or refined design.