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 capable and reliable heavy-duty truck built to handle serious work demands with confidence and durability.
- 6.6L V8 Duramax Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD capability
- B20-Diesel compatible with engine block heater
- Convenience Package and Suspension Package
- GMC Infotainment System with Apple CarPlay and Android Auto connectivity
- Electronic Stability Control and Traction Control for enhanced stability
- Lane Departure Warning System and Forward Collision Alert
- Low Speed Forward Automatic Braking and Front Pedestrian Braking
- IntelliBeam Automatic High Beam technology
- Remote keyless entry with wireless phone projection
- Dual rear wheels for added capability
- Chrome bumpers and grille with flat black insert bars
- Electric rear-window defogger and deep-tinted glass
- 4-Wheel disc brakes with ABS system
This Sierra 3500HD Pro comes equipped with the legendary Duramax diesel engine, delivering the power and efficiency you need for demanding applications. The advanced safety suite includes forward collision alert, lane departure warning, and automatic braking systems designed to help keep you protected on the road. With its 10-speed automatic transmission paired with 4WD, this truck provides smooth operation across varied terrain while maintaining excellent fuel efficiency for its class.
The Pro In-Transit trim combines practical features with modern convenience technology. You'll appreciate the GMC Infotainment System with smartphone integration through Apple CarPlay and Android Auto, allowing you to stay connected safely while driving. The truck's robust suspension package and electronic transfer case offer the control needed whether you're hauling heavy loads or navigating challenging conditions.
Comfort and visibility features include power windows, power steering, tilt steering wheel, and fully automatic headlights with delay-off functionality. The front 40/20/40 split-bench seating provides flexibility for different cargo and passenger configurations, while the front center armrest offers convenient storage. Speed control and trip computer help make longer drives more manageable.
Built with heavy-duty specifications including a 170-amp alternator and 80-amp-hour battery, this Sierra 3500HD is engineered to support the demands of professional work. The 2-speed electronic shift transfer case gives you precise control in varied driving conditions, while the manual regeneration diesel particulate filter helps maintain engine performance over time.
This 2026 GMC Sierra 3500HD Pro In-Transit is ready to serve your business or personal hauling needs with the dependability and capability GMC trucks are known for. Contact us today to schedule a test drive and experience the solid performance this truck delivers. 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 $225 in dealer added accessories.