Highlights
- AT4 Off‑Road Package: Hill Descent Control, skid plates, off‑road suspension and twin‑tube Rancho shocks.
- Powerful 6.6 L V8: 401 hp, 464 lb‑ft torque, 10‑speed automatic.
- Full‑Size Crew Cab: 5 seats, spacious cargo bed with standard box.
- Advanced Safety Suite: Forward Collision Alert, Lane Departure Warning, Adaptive Cruise Control, and more.
- Premium Comfort: Heated/ventilated seats, wireless charging, Bose audio, and a 13.4” infotainment display.
Options & Features
- Safety: StabiliTrak, Active Trailer Sway Control, Hill Descent Control, Trailer Side Blind‑Zone Alert, Tire Pressure Monitoring.
- Comfort: Heated/ventilated seats, heated steering wheel, dual‑zone climate control, wireless charging, 13.4” digital display.
- Technology: 13.4” GMC Infotainment, Apple CarPlay/Android Auto, Bluetooth, Wi‑Fi hotspot, OnStar services.
- Exterior: LED Signature DRLs, LED cargo area lighting, 20” high‑gloss black aluminum wheels, deep‑tinted glass.
- Utility: 20‑ft standard box, 11,550 lb GVWR, single rear wheels, 6‑speed transfer case, trailer brake controller.
Why Choose This Vehicle?
The 2026 GMC Sierra 3500HD AT4 delivers unmatched towing power, off‑road capability, and a host of safety and comfort features—perfect for work, adventure, or daily life.
