Used 2023 GMC Sierra 1500 AT4

2023 GMC Sierra 1500 AT4 Crew Cab 4x4 – Supercharged Beast | Davenport Build | Loaded with Tech & Style

If you're looking for a no-compromise, fully customized half-ton, this 2023 GMC Sierra 1500 AT4 stands in a league of its own. Professionally modified by Davenport Motorsports, this supercharged V8 powerhouse combines off-road capability, high-performance street manners, and show-stopping custom touches—all built on GMC’s luxurious and rugged AT4 foundation.

🔥 Performance & Powertrain

• Engine: 6.2L V8 (L87) – Factory rated at 420 HP

• Supercharger: Davenport Supercharged with Dedicated Water-Cooled System – pushing significant power gains well beyond stock

• Exhaust: Corsa Cat-Back Exhaust – Deep, aggressive tone with performance airflow

• Transmission: Smooth-shifting 10-Speed Automatic (MHS)

🎯 Premium Packages & Features

• AT4 Off-Road Package (4SB) – Factory-equipped with off-road-tuned suspension, skid plates, 2-inch lift, and hill descent control

• Technology Package (CWM-81):

  • 15" Head-Up Display

  • Rear Camera Mirror

  • Surround Vision

• Power Sunroof (CF5-81) – Enjoy open-sky cruising in all conditions

• AT4 High Clearance Steps (VXW-81) – Aggressive styling with practical function

🛠 Aftermarket Upgrades & Custom Touches

• Custom Painted Canopy – Matched perfectly to the stunning Titanium Rush Metallic exterior

• Custom Aftermarket Wheels – Standout style and performance-grade stance

• 3M Protection Film + Ceramic Coating – Applied from new to ensure long-term finish protection

• Door Keypad Entry – Convenient access with no key fob needed

🖤 Interior & Style

• Upholstery: Perforated Jet Black Leather with Kalahari Accents (HVD)

• Dual-zone climate, wireless charging, heated/ventilated front seats, and premium infotainment

• Signature AT4 badging and dark accents throughout for a commanding presence

🔧 Key Specs

• Engine: Supercharged 6.2L V8 (Davenport tuned)

• Drivetrain: 4x4

• Transmission: 10-Speed Automatic

• Color: Titanium Rush Metallic

• Condition: Pristine – protected since new

This is not your average AT4—this is a professionally enhanced, power-built machine tailored for drivers who want aggressive looks, refined luxury, and next-level performance. Between its custom wheels, Corsa exhaust, matched canopy, and supercharged grunt, this truck turns heads everywhere it goes.

📞 Contact Stetson GM today to inquire or schedule a private viewing. Trucks like this don’t come around often—and they don’t stay long.