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Ext.Color / Int.Color
Onyx Black
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Jet Black with Kalahari accents
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Engine
Turbocharged Diesel V8 6.6L/
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Transmission / Drive Type
10-Speed Automatic
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4WD
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Description:
This 2025 GMC Sierra 2500HD AT4 is built to handle whatever demands you place on it, combining serious capability with refined comfort for the professional and enthusiast alike.
- Duramax 6.6L V8 Turbodiesel with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 2-Speed Active Transfer Case
- AT4 Premium Plus Package with power sunroof
- Gooseneck/5th Wheel Prep Package for heavy towing flexibility
- Bose Premium 7-Speaker Sound System with SiriusXM 360L
- Apple CarPlay and Android Auto compatibility
- 220-Amp Alternator for sustained electrical demands
- Bed View Camera with Trailer Camera Provisions
- HD Surround Vision with Ultrasonic Front and Rear Park Assist
- Power-Retractable Assist Steps with LED lighting
- Spray-On Pickup Bedliner with GMC Logo
- Heated and Ventilated Front Seats with 10-Way Power Adjustment
- Wireless Charging and Wireless Phone Projection
- Keyless Open and Start with Remote Vehicle Starter
- 172 Point Inspection completed
The Duramax diesel engine delivers commanding performance when you need it, with an available high idle switch and engine block heater ensuring reliable cold-weather starting. The gooseneck and 5th wheel prep package comes ready to accept a hitch platform, letting you configure this truck for your specific hauling requirements. An extensive camera system including bed view with trailer provisions and surround vision gives you confidence when navigating tight spaces or backing up to a jobsite.
Your comfort matters on long drives. The heated and ventilated front seats adjust in ten directions with lumbar support, while the power sunroof and premium Bose audio system make every mile more enjoyable. Wireless charging keeps your devices ready, and the available remote vehicle starter means you can warm up the cab before stepping outside on cold mornings.
Safety and technology work together throughout this truck. Hill Descent Control, lane departure warning, automatic emergency braking, and a multicolor head-up display keep you connected and confident. The in-vehicle trailering system app and hitch guidance system simplify towing calculations, while trailer side blind zone alert watches the areas you cannot see.
The AT4 trim adds genuine off-road capability with an X31 Off-Road Package, off-road high clearance step, and all-terrain suspension tuning. Black power-retractable assist steps with integrated LED lighting make entry effortless, and the spray-on bedliner with GMC logo protects your investment while adding visual character.
This 2025 Sierra 2500HD has completed a comprehensive 172-point inspection and is ready to perform. With the Duramax diesel, premium packages, and factory-installed accessories, this truck represents serious capability wrapped in professional refinement. Visit us to see how this truck can work for you.
Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers. PRICE INCLUDES ALL NON-CONDITIONAL REBATES.
Tax, title, license (unless itemized above) are extra. Not available with special finance, lease and some other offers.
* See dealer for details. Price does not include Tax, Title, or License fees.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
Manufacturer incentive data and vehicle features are provided by third party sources and are believed to be accurate as of the time of publication.
Please verify with sales manager.
Every effort is made to ensure the accuracy of our pricing and options online, but we are human and sometimes make mistakes. Any mistake is not malicious in intent, and is completely accidental.
Please verify pricing and options with the dealership
All Vehicles Must finance with GM to qualify for financial-related incentives. Incentives from GM are zip-code specific. Incentives could change if you register the car outside of the New Orleans market. See dealer for details.