The 2025 GMC Sierra 2500HD AT4 represents serious capability for those who demand performance and dependability in their heavy-duty truck.
- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- Max Trailering Package with 3500 HD frame, 12 rear axle, and gooseneck/5th wheel prep
- AT4 Premium Plus Package including power sunroof and Technology Package
- Bose Premium 7-Speaker Sound System with SiriusXM 360L
- Technology Package with Apple CarPlay and Android Auto compatibility
- Bed View Camera with trailer camera provisions and trailer viewing software
- Multicolor 15 Head-Up Display
- Wireless charging and wireless phone projection
- Heated and ventilated leather front seats with 10-way power adjustment
- Automatic Emergency Braking and Rear Cross Traffic Alert
- HD Surround Vision with ultrasonic park assist
- Heated power door mirrors and auto-dimming technology
- 20 high gloss black aluminum wheels
- Off-Road High Clearance Step and X31 Off-Road Package
This truck arrives finished in Silver with a premium AT4 appointment that emphasizes both capability and comfort. The Duramax diesel engine delivers substantial torque for hauling and towing, while the 10-speed automatic ensures smooth power delivery across all driving conditions. The Max Trailering Package upgrades the frame and suspension to handle serious loads, and the gooseneck/5th wheel prep provisions give you flexibility for future equipment.
Inside, the cabin reflects the AT4's elevated positioning with perforated leather-appointed front seats that heat and ventilate for year-round comfort. The power sunroof, dual-zone climate control, and technology package create an environment that rivals premium pickups while maintaining the rugged character of the Sierra 2500HD. Navigation and connectivity come through the premium infotainment system with wireless phone projection and SiriusXM satellite radio.
Safety and visibility receive significant attention with features including Automatic Emergency Braking, Lane Departure Warning, and Forward Collision Alert. The Bed View Camera with trailer provisions and the HD Surround Vision system give you complete situational awareness whether you're navigating tight spaces or managing a heavy trailer. The trailer side blind zone alert and trailer cam provisions add confidence when towing.
The off-road capability shines through the X31 Off-Road Package, 2-Speed Active Transfer Case, and the high-clearance AT4 step. An engine block heater and 220-amp alternator support reliable operation in challenging conditions. The spray-on bedliner and rear wheelhouse liners protect your investment for years of service.
This Sierra 2500HD AT4 sits ready to handle whatever comes next whether that's the job site, the towing assignment, or the open road. The combination of diesel torque, premium interior appointments, and genuine capability makes this truck a comprehensive solution for demanding work and life.
Family owned and operated for over 50 years!
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