2023 GMC Sierra 3500HD
Overview
- Year: 2023
- Make: GMC
- Model: Sierra 3500HD
- Trim: AT4
- Body Type: Pickup Truck
- Seats: 5
- Drivetrain: 4 x 4
- Transmission: Automatic
Bluetooth
Parking assistant
- VIN: 1GT49VEY9PF232879
- Stock #: TPF232879
Description
The 2023 GMC Sierra 3500 HD AT4 is designed to conquer the toughest jobs with rugged off-road capability and a luxurious, high-tech interior. Equipped with the latest performance features, this heavy-duty truck is perfect for both work and play, offering a blend of strength, style, and comfort.
Key Highlights:
Performance & Capability:
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6.6L Duramax Turbo-Diesel V8 engine with 445 horsepower and 910 lb-ft of torque
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10-speed automatic transmission with electronic range select
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Standard 4WD with off-road-tuned suspension for superior traction
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Max towing capacity of up to 36,000 lbs when properly equipped
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Integrated trailer brake controller and available trailer camera views
Exterior Features:
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AT4-exclusive front grille with bold red tow hooks
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18-inch machined aluminum wheels with all-terrain tires
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LED signature lighting for superior visibility
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MultiPro tailgate with six unique functions for improved cargo handling
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Spray-on bedliner for added durability and protection
Interior Comfort & Technology:
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Premium leather seating with AT4-specific accents
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12.3-inch digital driver display for clear, customizable readouts
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13.4-inch touchscreen with GMC Infotainment System and available Google built-in
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Apple CarPlay and Android Auto integration for seamless smartphone connectivity
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Available wireless charging and multi-zone climate control for enhanced comfort
Safety & Driver Assistance:
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GMC Pro Safety Plus includes:
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Forward Collision Alert and Automatic Emergency Braking
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Lane Departure Warning and Lane Keep Assist
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Blind Spot Monitoring with Rear Cross Traffic Alert
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HD Surround Vision and Front/Rear Park Assist
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Available Adaptive Cruise Control and Trailer Side Blind Zone Alert
The 2023 GMC Sierra 3500 HD AT4 is built for maximum performance and comfort, both on and off the road. Experience this powerful, versatile truck today by visiting us for a test drive.
Engine: 8 Cylinder Engine 6.6L
Vehicle History

Accident history
Money owed on vehicle
Service records
Open safety recalls