
"Mosaic Auto Group: One Name. One Location. One Goal. "Bring trust in car buying and passion into service."
This 2026 GMC Sierra 3500HD AT4 in striking Volcanic Red combines raw capability with premium comfort. Finished in Jet Black leather with Kalahari accents, the Crew Cab interior invites you into a workspace designed for both work and refined driving. Powered by the legendary Duramax 6.6L V8 Turbodiesel and paired with a 10-Speed Automatic transmission, this 4WD truck delivers the performance and efficiency you demand.
- Apple CarPlay & Google Android Auto
- Heated Steering Wheel
- Heated/Cooled Front Seats
- Bose Premium 7-Speaker Sound System with SiriusXM 360L Trial
- HD Surround Vision with Bed View Camera
- Off-Road Suspension with 2-Speed Active Transfer Case
- Spray-on Pickup Bedliner with GMC Logo
- Wireless Phone Projection and Charging
- Remote Vehicle Starter System
- Black Badging Package with X31 Off-Road Package
The AT4 Preferred Package elevates every journey with technology and convenience features that make this truck as enjoyable on the road as it is capable off it. From the Multicolor 15" Head-Up Display to Ultrasonic Front and Rear Park Assist, every detail reflects GMC's commitment to innovation. The X31 Off-Road Package, Hill Descent Control, and active transfer case prepare this Sierra for any terrain you encounter.
Visit us today to experience this exceptional 3500HD in person and discover why Mosaic Auto Group is your trusted partner in finding the right truck.