GMC Sierra 3500Hd 2026

Highlights

• 6.6 L Duramax V8 Turbo‑Diesel delivering 400 hp and 1,200 lb‑ft of torque
• AT4 off‑road package with 15‑inch HUD, power‑retractable steps, and 4‑wheel drive
• 12,100 lb (5,488 kg) GVWR and 6‑speed automatic transmission
• Summit White exterior, Jet Black interior with Kalahari accents
• Full suite of safety tech: Adaptive Cruise Control, HD Surround Vision, Trailer Sway Control

Options

• Comfort: 10‑way power heated & ventilated front seats, heated second‑row seats, power‑tilt steering
• Technology: 13.4‑inch touchscreen with Google navigation, 15‑inch HUD, Bose premium audio, wireless Apple CarPlay/Android Auto, OnStar
• Utility: Power‑retractable steps, GMC MultiPro Tailgate, EZ‑Lift power lock, trailer brake controller
• Safety: Adaptive Cruise Control, Automatic Emergency Braking, Lane Departure Warning, Rear Cross‑Traffic Alert

Why Choose This Vehicle?

The 2026 GMC Sierra 3500HD AT4 combines unmatched towing capacity with premium comfort and cutting‑edge safety features, making it the ideal choice for serious work and everyday reliability.