2023 GMC Sierra 3500HD AT4 Crew Cab 4×4 – Rugged Diesel Power Meets Premium AT4 Comfort This Sierra 3500HD AT4 combines the brute strength of a Duramax diesel with AT4 off-road capability and luxury touches. With advanced trailering tech, premium interior amenities, and comprehensive safety features, it’s built for those who demand serious performance without compromising comfort.
Key Features:
Performance & Capability: • 6.6L Duramax V8 Turbo Diesel with Allison 10-Speed Automatic • 4×4 with Autotrac 2-Speed Transfer Case • Heavy-Duty Transmission & Engine Oil Cooler • Trailer Brake Controller, Advanced Trailering System & Gooseneck/5th Wheel Prep • Off-Road High Clearance Steps & Skid Plates • GMC MultiPro Tailgate & Spray-On Bedliner
Interior & Comfort: • Jet Black/Kalahari Accents – Heated & Ventilated Front Seats • Heated Rear Outboard Seats & Heated Steering Wheel • Power Sunroof & Power Sliding Rear Window • 10-Way Power Driver & 8-Way Power Passenger Seats with Memory • Tri-Zone Automatic Climate Control & Premium Floor Liners • Digital 8" Driver Information Center & Multi-Color Head-Up Display
Technology & Safety: • Premium GMC Infotainment System with Navigation & Bose Audio • Wireless Charging, Apple CarPlay® & Android Auto™ • HD Surround Vision with Bed View Camera & Rear Camera Mirror • Forward Collision Alert, Lane Departure Warning & Rear Cross-Traffic Alert • Lane Change Alert with Side Blind Zone Alert & Automatic Emergency Braking • OnStar® & Wi-Fi Hotspot Capable
Exterior & Utility: • Onyx Black Exterior with Body-Color Bumpers • Red Front Recovery Hooks & Chrome Assist Steps • LED Headlamps, Fog Lamps & Cargo Bed Lighting • Rear Bumper Corner Steps • Active Aero Shutters & Off-Road Suspension (Z71 Package)