This 2023 GMC Sierra 3500HD AT4 represents serious capability wrapped in a commanding white exterior designed to handle whatever demands you place on it.

- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD
- ProGrade Trailering System with Integrated Trailer Brake Controller and Hitch Guidance
- X31 Off-Road Package with Hill Descent Control and Off-Road Suspension
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- Heated and Ventilated Perforated Leather Front Seats with 10-Way Power Adjustment
- Spray-On Pickup Bed Liner with AT4 Logo
- SiriusXM 360L Satellite Radio with 6-Speaker Premium Audio
- Heated Steering Wheel and Heated 2nd Row Outboard Seats
- Remote Vehicle Starter System with Keyless Open & Start
- HD Rear Vision Camera with Hitch View
- 2-Speed Active Transfer Case and 3.73 Rear Axle Ratio
- Multiple Power Outlets: 120V Bed-Mounted, 120V Instrument Panel, and 12V Rear Auxiliary
- Red Recovery Hooks and Rear Step Bumper
- Front Fog Lights with Fully Automatic Headlights and Auto-Dimming Rear-View Mirror
- 18 Machined Aluminum Wheels with All-Terrain Capability

Built on the legendary Duramax platform, this Sierra 3500HD delivers the diesel efficiency and torque you need for heavy hauling, towing, or daily work. The AT4 trim elevates the experience with premium materials, including perforated leather appointments on the front seats enhanced with heating and ventilation. Ten-way power adjusters with lumbar support on both driver and passenger sides ensure comfort during long days on the road or at the job site.

The ProGrade Trailering System represents a complete integration of towing technology, pairing the Integrated Trailer Brake Controller with an in-vehicle app that puts vital towing data at your fingertips. Hitch Guidance with Hitch View takes the guesswork out of backing trailers, while the red recovery hooks and heavy-duty construction signal this truck's readiness for serious work.

Interior convenience is comprehensive. The Premium GMC Infotainment System supports both Apple CarPlay and Android Auto for seamless smartphone integration. SiriusXM 360L satellite radio keeps you connected to entertainment across all your drives. Multiple USB ports, a heated steering wheel, and configurable power outlets throughout the cab address modern connectivity needs. Climate control spans front dual-zone automatic temperature management, heated front seats, heated 2nd row outboard seats, and rear window defogger for year-round comfort.

The X31 Off-Road Package paired with the 2-Speed Active Transfer Case and Hill Descent Control positions this truck for terrain beyond standard roads. Off-road suspension geometry, combined with electronic traction control and electronic stability control, maintains composure whether you're navigating challenging sites or steep grades.

Safety and security are integral. Dual front and side impact airbags, four-wheel disc ABS brakes, electronic stability control, and a comprehensive security system provide layered protection. The HD rear vision camera aids situational awareness during reversing.

This 2023 Sierra 3500HD AT4 stands ready to meet the demands of work and lifestyle with proven engineering, substantial towing integration, and refined cab appointments.