2023 GMC Sierra 2500 HD AT4

This 2023 GMC Sierra 2500HD AT4 in Onyx Black represents serious capability paired with refined comfort. Built on the strength of the Duramax 6.6L V8 Turbodiesel engine, this truck delivers 445 horsepower and 910 lb-ft of torque, engineered to handle demanding tasks while maintaining the quality you expect from GMC.

- Gooseneck/5th Wheel Package with integrated camera provisions
- Duramax 6.6L V8 Turbodiesel engine with 220-amp alternator
- 2-Speed Active Transfer Case for versatile terrain management
- X31 Off-Road Package with enhanced suspension
- Integrated Trailer Brake Controller with Hitch Guidance
- Engine Block Heater for reliable cold-weather starts
- 10-Way power driver and passenger seats with lumbar support and heating/ventilation
- Heated and ventilated front bucket seats
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- SiriusXM 360L satellite radio with 6-speaker audio
- Bed View Camera with HD Rear Vision Camera
- Spray-On Pickup Box Bed Liner with AT4 Logo
- LED smoked amber roof marker lamps and cargo area lighting
- Remote Vehicle Starter System with keyless open and start
- Wi-Fi hotspot capability and wireless phone projection

The AT4 trim elevates this Sierra with premium appointments designed for those who refuse to compromise. Heated door mirrors, a heated steering wheel, and premium floor liners create a commanding driving environment. The front-end styling features a painted black surround grille and body-color bumpers that reinforce the truck's authoritative presence on the road.

Designed for those who tow and haul with purpose, this truck integrates advanced technology to simplify the work. The In-Vehicle Trailering System App puts critical information at your fingertips, while red recovery hooks and dual rear wheels provide the stability needed for serious jobs. The spray-on bed liner protects your investment while showcasing the AT4 badge with pride.

The climate control system keeps you comfortable in any season with automatic temperature management, front dual-zone air conditioning, and heated rear seats. Power-adjustable windows, doors, and mirrors respond to your commands, while the premium leather-appointed front seat trim adds a touch of sophistication to your work truck.

Safety and security are built into every system. Dual front impact airbags, side impact airbags, and overhead airbags protect your cabin. Electronic Stability Control, traction control, and ABS brakes work together to keep you in command, while the security system and unauthorized entry theft-deterrent system protect your truck when you're not in it.

This 2023 GMC Sierra 2500HD AT4 stands ready to handle whatever you demand. Visit our showroom today and discover why this truck represents the ideal balance of capability, comfort, and confidence for serious work and weekend adventures.