Used 2023 GMC Sierra 1500 AT4

2023 GMC Sierra 1500 AT4 Crew Cab 4x4 – 6.2L V8 | Power Sunroof | Onyx Black | Premium Off-Road Luxury

Uncompromising strength meets refined luxury in this bold 2023 GMC Sierra 1500 AT4 Crew Cab 4x4. Built to tackle rugged terrain while delivering a first-class driving experience, this Sierra is equipped with the legendary 6.2L V8 engine, a 10-speed automatic transmission, and finished in sleek Onyx Black. From its aggressive stance to its high-end interior, this AT4 is the ultimate combination of off-road readiness and premium style.

Power & Performance:

• Engine: 6.2L V8 (L87) – A powerhouse with 420 HP and 460 lb-ft of torque

• Transmission: 10-Speed Automatic (MHS) – Smooth, responsive shifting for both towing and trail running

• Drivetrain: 4x4 with off-road-tuned suspension and 2-speed AutoTrac™ transfer case

• Suspension: AT4-exclusive with Rancho® shocks and skid plates for enhanced off-road capability

Exterior & Design:

• Color: Onyx Black – A deep, glossy black finish that adds boldness and elegance

• Wheels: 18" dark-finish aluminum (standard AT4 design)

• AT4 Signature Styling: Dark chrome accents, vertical red tow hooks, blacked-out trim

• CF5 – Power Sunroof: Open up the cabin for light and fresh air with a touch of a button

Interior Comfort & Premium Features:

• Seating: HVD – Perforated Jet Black Leather with Kalahari Accents – Striking and exclusive to AT4

• Heated and ventilated front bucket seats

• Heated rear outboard seats

• Heated leather-wrapped steering wheel

• Dual-zone automatic climate control

• 13.4” touchscreen infotainment system with Google built-in

• Wireless Apple CarPlay® & Android Auto™

• Wireless charging pad

• Premium Bose® audio system

Technology & Safety:

• Rear Vision Camera with Hitch Guidance

• Advanced trailering package

• Forward Collision Alert

• Lane Keep Assist with Lane Departure Warning

• Rear Cross Traffic Alert and Side Blind Zone Alert

• Keyless Open & Start with Remote Vehicle Start

Tough, Capable, and Well-Equipped:

This 2023 Sierra 1500 AT4 delivers serious off-road capability without sacrificing daily comfort or premium features. Whether you're heading into the backcountry, hauling gear, or driving downtown, this truck is ready for it all—with style.

📞 Call or visit Stetson GM today to test drive this fully equipped AT4. Apply for easy, on-the-spot financing online or in store.