2025 GMC SIERRA 2500HD DENALI — DURAMAX POWER. DENALI LUXURY. HEAVY-DUTY CAPABILITY. Built to work hard while surrounding you in premium comfort, this 2025 GMC Sierra 2500HD Denali combines the legendary Duramax 6.6L V8 Turbo-Diesel with a 10-speed automatic transmission and 4WD. Finished in commanding Onyx Black with a premium Leather interior, this heavy-duty pickup delivers the power, confidence, and refinement you expect from a Denali. Inside, enjoy Forge perforated leather-appointed seating, a 12-way power driver’s seat with lumbar, driver memory, premium floor liners, a power sunroof, and a rear camera mirror. The technology lineup includes the Premium GMC Infotainment System, SiriusXM with 360L, Bose Premium 7-speaker audio, Universal Home Remote, and steering-wheel audio controls. Exterior highlights include 20 Ultra Bright Machined wheels, power-retractable assist steps, a spray-on bedliner with GMC logo, LED cargo lighting, and deep-tinted glass. KEY FEATURES: Duramax 6.6L V8 Turbo-Diesel 10-Speed Automatic Transmission 4WD Denali Trim 42,746 Miles Onyx Black Exterior Premium Leather Interior Forge Perforated Leather-Appointed Front Seats 12-Way Power Driver's Seat with Lumbar Driver Memory Power Sunroof 20 Ultra Bright Machined Wheels Power-Retractable Assist Steps Spray-On Bedliner with GMC Logo Premium GMC Infotainment System SiriusXM with 360L Bose Premium 7-Speaker Sound System Rear Camera Mirror with Auto-Dimming Universal Home Remote 120-Volt Instrument Panel Power Outlet Charge-Only Rear USB Ports LED Cargo Area Lighting LED Smoked Amber Roof Marker Lamps Exhaust Brake Off-Road Suspension Hill Descent Control Engine Block Heater 220-Amp Alternator Heavy-Duty 80-Amp Battery Keyless Open & Start Lane Departure Warning OnStar Emergency Communication Unauthorized Entry Theft Deterrent System From Duramax diesel strength to Denali-level luxury, this Sierra 2500HD is ready for serious work and comfortable enough for the journey there. Schedule your test drive today and experience the capability of the 2025 GMC Sierra 2500HD Denali for yourself.Read full dealer descriptionHide dealer description
2025 GMC SIERRA 2500HD DENALI — DURAMAX POWER. DENALI LUXURY. HEAVY-DUTY CAPABILITY. Built to work hard while surrounding you in premium comfort, this 2025 GMC Sierra 2500HD Denali combines the legendary Duramax 6.6L V8 Turbo-Diesel with a 10-speed automatic transmission and 4WD. Finished in commanding Onyx Black with a premium Leather interior, this heavy-duty pickup delivers the power, confidence, and refinement you expect from a Denali. Inside, enjoy Forge perforated leather-appointed seating, a 12-way power driver’s seat with lumbar, driver memory, premium floor liners, a power sunroof, and a rear camera mirror. The technology lineup includes the Premium GMC Infotainment System, SiriusXM with 360L, Bose Premium 7-speaker audio, Universal Home Remote, and steering-wheel audio controls. Exterior highlights include 20 Ultra Bright Machined wheels, power-retractable assist steps, a spray-on bedliner with GMC logo, LED cargo lighting, and deep-tinted glass. KEY FEATURES: Duramax 6.6L V8 Turbo-Diesel 10-Speed Automatic Transmission 4WD Denali Trim 42,746 Miles Onyx Black Exterior Premium Leather Interior Forge Perforated Leather-Appointed Front Seats 12-Way Power Driver's Seat with Lumbar Driver Memory Power Sunroof 20 Ultra Bright Machined Wheels Power-Retractable Assist Steps Spray-On Bedliner with GMC Logo Premium GMC Infotainment System SiriusXM with 360L Bose Premium 7-Speaker Sound System Rear Camera Mirror with Auto-Dimming Universal Home Remote 120-Volt Instrument Panel Power Outlet Charge-Only Rear USB Ports LED Cargo Area Lighting LED Smoked Amber Roof Marker Lamps Exhaust Brake Off-Road Suspension Hill Descent Control Engine Block Heater 220-Amp Alternator Heavy-Duty 80-Amp Battery Keyless Open & Start Lane Departure Warning OnStar Emergency Communication Unauthorized Entry Theft Deterrent System From Duramax diesel strength to Denali-level luxury, this Sierra 2500HD is ready for serious work and comfortable enough for the journey there. Schedule your test drive today and experience the capability of the 2025 GMC Sierra 2500HD Denali for yourself.
2025 GMC SIERRA 2500HD DENALI — DURAMAX POWER. DENALI LUXURY. HEAVY-DUTY CAPABILITY. Built to work hard while surrounding you in premium comfort, this 2025 GMC Sierra 2500HD Denali combines the legendary Duramax 6.6L V8 Turbo-Diesel with a 10-speed automatic transmission and 4WD. Finished in commanding Onyx Black with a premium Leather interior, this heavy-duty pickup delivers the power, confidence, and refinement you expect from a Denali. Inside, enjoy Forge perforated leather-appointed seating, a 12-way power driver’s seat with lumbar, driver memory, premium floor liners, a power sunroof, and a rear camera mirror. The technology lineup includes the Premium GMC Infotainment System, SiriusXM with 360L, Bose Premium 7-speaker audio, Universal Home Remote, and steering-wheel audio controls. Exterior highlights include 20 Ultra Bright Machined wheels, power-retractable assist steps, a spray-on bedliner with GMC logo, LED cargo lighting, and deep-tinted glass. KEY FEATURES: Duramax 6.6L V8 Turbo-Diesel 10-Speed Automatic Transmission 4WD Denali Trim 42,746 Miles Onyx Black Exterior Premium Leather Interior Forge Perforated Leather-Appointed Front Seats 12-Way Power Driver's Seat with Lumbar Driver Memory Power Sunroof 20 Ultra Bright Machined Wheels Power-Retractable Assist Steps Spray-On Bedliner with GMC Logo Premium GMC Infotainment System SiriusXM with 360L Bose Premium 7-Speaker Sound System Rear Camera Mirror with Auto-Dimming Universal Home Remote 120-Volt Instrument Panel Power Outlet Charge-Only Rear USB Ports LED Cargo Area Lighting LED Smoked Amber Roof Marker Lamps Exhaust Brake Off-Road Suspension Hill Descent Control Engine Block Heater 220-Amp Alternator Heavy-Duty 80-Amp Battery Keyless Open & Start Lane Departure Warning OnStar Emergency Communication Unauthorized Entry Theft Deterrent System From Duramax diesel strength to Denali-level luxury, this Sierra 2500HD is ready for serious work and comfortable enough for the journey there. Schedule your test drive today and experience the capability of the 2025 GMC Sierra 2500HD Denali for yourself.
Local and nationwide market context
Fewer than five local matches were available within 150 miles, so the deal score uses 10 approved listings with the same year, make, model, and trim with the closest reported mileage nationwide.
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$72,448
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This unitNationwide middle 50%
Truck Specifications
Engine
6.6L Duramax Turbo-Diesel V8 engine
Transmission
Automatic
Drivetrain
Four Wheel Drive
Fuel
Diesel Fuel
Exterior
Black
Interior
Jet Black, Forge Perforated Leather seat trim
Doors
4
Body Style
Truck
Features & Equipment
Equipment is supplied by the dealer. Confirm installed options on the dealer listing or window sticker.
Safety and driver assistance
Adaptive Cruise Control
Backup Camera
Blind Spot Monitor
Forward Collision Warning
Lane Departure Warning
Parking Sensors / Assist
Side-Impact Air Bags
Comfort and convenience
Automatic Climate Control
Keyless Entry
Leather Seats
Power Seats
Sunroof / Moonroof
Compare Other Years & Trims
Live GMC Sierra 2500 HD units from approved dealer inventory.
The chart range uses current approved inventory nationwide. Local pricing may differ. Taxes, fees, incentives, vehicle history, and equipment can affect actual value.
