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Straightline Motor Group
155 Glendeer Circle Southeast suite lm3, Calgary, AB, T2H 2S8VIN #1GT49VEY9PF232879
# stock TPF232879
AT4
Duramax Diesel Power, Off-Road Ready, Luxury Comfort
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:
6.6L Duramax Turbo-Diesel V8 engine with 445 horsepower and 910 lb-ft of torque
10-speed automatic transmission with electronic range select
Standard 4WD with off-road-tuned suspension for superior traction
Max towing capacity of up to 36,000 lbs when properly equipped
Integrated trailer brake controller and available trailer camera views
Exterior Features:
AT4-exclusive front grille with bold red tow hooks
18-inch machined aluminum wheels with all-terrain tires
LED signature lighting for superior visibility
MultiPro tailgate with six unique functions for improved cargo handling
Spray-on bedliner for added durability and protection
Interior Comfort & Technology:
Premium leather seating with AT4-specific accents
12.3-inch digital driver display for clear, customizable readouts
13.4-inch touchscreen with GMC Infotainment System and available Google built-in
Apple CarPlay and Android Auto integration for seamless smartphone connectivity
Available wireless charging and multi-zone climate control for enhanced comfort
Safety & Driver Assistance:
GMC Pro Safety Plus includes:
Forward Collision Alert and Automatic Emergency Braking
Lane Departure Warning and Lane Keep Assist
Blind Spot Monitoring with Rear Cross Traffic Alert
HD Surround Vision and Front/Rear Park Assist
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.