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
The 2026 GMC Sierra 3500HD Pro In-Transit delivers the capability and reliability you need from a heavy-duty truck, backed by proven performance and practical design.
- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- Convenience Package and Suspension Package
- GMC Infotainment System with Apple CarPlay and Android Auto
- Wireless Phone Projection
- Electric Rear-Window Defogger
- Lane Departure Warning System and Forward Collision Alert
- Electronic Stability Control and Traction Control
- IntelliBeam Automatic High Beam technology
- Dual rear wheels for enhanced stability
- Remote keyless entry and Buckle to Drive technology
- OnStar Services capable with Emergency Communication System
- Chrome bumpers and grille with flat black insert bars
- 4-Wheel Disc Brakes with ABS
- Deep-Tinted Glass
This Sierra 3500HD is equipped with the legendary Duramax diesel engine, engineered to handle serious work while maintaining efficiency. The turbocharged powerplant delivers substantial torque at low RPMs, making it responsive whether you're hauling heavy loads or navigating daily driving. The 10-speed automatic transmission works seamlessly with the four-wheel drive system to provide confidence in varied conditions.
The Pro In-Transit trim prioritizes functionality without unnecessary complexity. You'll find the GMC Infotainment System responsive and straightforward, with wireless phone projection keeping you connected safely. Modern safety features like Lane Departure Warning, Forward Collision Alert, and IntelliBeam automatic high beams provide awareness and protection on the road. The Electronic Stability Control and Traction Control systems work together to maintain grip when conditions demand it.
Built for work, this truck features dual rear wheels that enhance load-carrying stability and a heavy-duty 80 amp-hour battery paired with a 170-amp alternator to support demanding electrical loads. The suspension package and 4-wheel independent front suspension create a foundation that absorbs impacts while maintaining control. Chrome bumpers and a distinctive grille give the Sierra a professional appearance that reflects its capable nature.
Interior comfort balances practicality with convenience. The split front bench seat with 4-way manual adjustment accommodates various driver preferences, while split folding rear seats expand versatility. Tilt steering, power windows, and power steering make daily operation effortless. The compass, trip computer, and outside temperature display provide useful information at a glance.
The Sierra 3500HD Pro In-Transit represents straightforward value for buyers who need genuine truck capability. With the proven Duramax diesel engine, solid safety technology, and practical features, this truck is ready to work. We invite you to visit our showroom to experience this truck firsthand and discuss how it can serve your needs. 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 Price includes $8,900 in dealer added accessories.