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
Meet the 2026 GMC Sierra 3500HD Pro In-Transit, a heavy-duty truck engineered to handle demanding work with capability and reliability.
- 6.6L V8 Diesel Turbocharged (Duramax) with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- Snow Plow Prep Package for winter operations
- Suspension Package for enhanced stability and control
- Convenience Package with practical daily-use features
- Electric Rear-Window Defogger
- 220 Amp Alternator for sustained electrical power
- Lane Departure Warning System and Forward Collision Alert
- Dual rear wheels for superior load capacity
- GMC Infotainment System with Apple CarPlay and Android Auto
- Auto High-beam Headlights with IntelliBeam technology
- 2-Speed Electronic Shift Transfer Case
- Electronic Stability Control and Traction Control
- 40-Gallon rear fuel tank for extended range
- Upfitter Switch Kit with 5 switches for work equipment integration
The Duramax diesel engine is built for the demands of commercial and heavy-duty applications. With 975 lb-ft of torque delivered at 1600 rpm, this truck provides the pulling power and efficiency needed for serious work. The engine block heater ensures reliable cold-weather starts, and B20-diesel compatibility offers fuel flexibility for your operation.
This Sierra 3500HD combines work-ready capability with thoughtful engineering. The suspension package delivers the stability necessary for loaded hauls, while the Snow Plow Prep Package makes this truck ready for winter service work. The 2-Speed electronic shift transfer case provides the control you need in varied driving conditions, and dual rear wheels maximize load capacity and stability on the road.
The truck features practical technology that supports your workday. The GMC Infotainment System integrates Apple CarPlay and Android Auto for seamless connectivity, while the Upfitter Switch Kit allows you to control auxiliary work equipment directly from the cab. SiriusXM trial subscription provides access to satellite radio, and the premium audio system keeps your time on the road productive and informed.
Safety systems throughout the Sierra 3500HD protect you and your crew. Forward Collision Alert, Lane Departure Warning System, Electronic Stability Control, and Traction Control work together to enhance awareness and control. The truck is equipped with multiple airbags, ABS brakes, and OnStar Services capability for emergency communication when you need it most.
From its chrome bumpers and grille with flat black insert bars to its high-visibility molded-in black outside mirrors, this truck presents a professional appearance that commands respect on any jobsite. The deep-tinted glass reduces interior glare, while perimeter lighting and auto high-beam headlights improve visibility and safety during early morning or evening operations.
When you need a truck that works as hard as you do, the 2026 GMC Sierra 3500HD Pro In-Transit delivers the capability, durability, and features to get the job done right. Visit our showroom to experience this heavy-duty performer firsthand. Not all customers may qualify for all rebates listed, see dealer for details. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 08/31/2026 $2500 - GM Bonus Cash. Exp. 08/31/2026