GMC Sierra 3500Hd 2026

Highlights

• 6.6‑L V8 gasoline engine delivering 401 hp
• AT4 4WD Crew Cab with standard box for maximum payload
• 10‑speed automatic transmission and 2‑speed transfer case
• Heavy‑duty features: Hill Descent Control, Trailer Brake Controller, and Integrated Trailering System
• Premium interior: heated seats, wireless charging, Bose sound system
• Advanced safety: Proactive Roll‑Avoidance, Lane‑Departure Warning, and OnStar services

Options & Features

• Safety: Stability Control, Advanced Driver Assistance (ADAS) suite, Rear‑Cross‑Traffic Alert, Trailer Side Blind‑Zone Alert
• Comfort: Dual‑zone climate control, heated/ventilated seats, power‑adjustable driver seat
• Technology: 13.4” touch‑screen infotainment, Apple CarPlay/Android Auto, Wi‑Fi hotspot, OnStar
• Exterior: LED signature DRLs, LED cargo‑area lighting, 20” black aluminum wheels
• Mechanical: Heavy‑duty 720 CCA battery, 2‑speed transfer case, 10‑speed automatic

Why Choose This Vehicle?

The 2026 GMC Sierra 3500HD AT4 is built for heavy‑duty work and long‑haul comfort. With a powerful V8, advanced safety tech, and a fully equipped interior, it delivers both performance and reliability for commercial and personal use.