Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
This 2026 GMC Sierra 2500HD AT4X In-Transit combines serious capability with refined comfort, delivered in a pristine White exterior ready to handle whatever you demand from a heavy-duty truck.
- Duramax 6.6L V8 Turbodiesel engine producing 470 hp and 975 lb-ft of torque
- Gooseneck and 5th wheel prep package for professional-grade towing setup
- Black Badging Package with black GMC emblems and Sierra nameplates
- Power moonroof and sunroof for enhanced cabin ambiance
- Premium Bose audio system with 12 speakers and SiriusXM with 360L
- 15-inch multicolor head-up display with driver-focused information
- HD Surround Vision with bed view camera and trailer camera provisions
- Heated and ventilated leather front seats with 16-way power adjustment
- Full grain leather seat trim throughout with heated rear outboard seats
- Wireless charging and phone projection for device integration
- Automatic emergency braking with forward pedestrian braking
- Ultrasonic front and rear park assist with trailer side blind zone alert
- Off-road suspension with 2-speed active transfer case
- 18-inch machined aluminum wheels with high gloss black accents
- Premium floor liners front and rear with removable carpet inserts
The AT4X designation signals this truck's commitment to off-road performance without compromising on-road refinement. The sophisticated interior features full grain leather, heated and ventilated seating, and a comprehensive technology ecosystem designed to keep you connected and informed. Whether you're managing demanding worksites or enjoying weekend adventures, the available trailering suite including trailer tire pressure monitoring, hitch guidance with hitch view, and in-vehicle trailering system app provides the confidence you need.
Climate control comes standard with automatic temperature regulation, dual-zone front air conditioning, and heated rear outboard seats, ensuring comfort across all seasons. The power moonroof and sunroof add an open-air dimension to the cabin that elevates the driving experience.
Safety technology is prominent throughout this Sierra. Automatic emergency braking, forward pedestrian braking, and rear cross traffic alert work together with electronic stability control and traction management to protect you and your passengers. Lane departure warning, IntelliBeam automatic high beam functionality, and a 360-degree surround vision system provide comprehensive visibility and awareness.
The Duramax diesel powerplant delivers the torque you need when loaded or towing, backed by a 10-speed automatic transmission optimized for efficiency and performance. The engine block heater and B20 diesel compatibility offer flexibility for your operational needs.
Visit our showroom to experience this Sierra 2500HD AT4X In-Transit. Our team is prepared to walk you through its capabilities and help you understand how it fits your lifestyle and work demands. Price includes $225 in dealer added accessories.