2023 GMC Sierra 1500 AT4 Crew Cab 4x4 – 6.2L V8 | Power Sunroof | Onyx Black | Premium Off-Road LuxuryUncompromising 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 torqueTransmission: 10-Speed Automatic MHS – Smooth, responsive shifting for both towing and trail runningDrivetrain: 4x4 with off-road-tuned suspension and 2-speed AutoTrac™ transfer caseSuspension: AT4-exclusive with Rancho® shocks and skid plates for enhanced off-road capabilityExterior & Design:Color: Onyx Black – A deep, glossy black finish that adds boldness and eleganceWheels: 18" dark-finish aluminum standard AT4 design AT4 Signature Styling: Dark chrome accents, vertical red tow hooks, blacked-out trimCF5 – Power Sunroof: Open up the cabin for light and fresh air with a touch of a buttonInterior Comfort & Premium Features:Seating: HVD – Perforated Jet Black Leather with Kalahari Accents – Striking and exclusive to AT4Heated and ventilated front bucket seatsHeated rear outboard seatsHeated leather-wrapped steering wheelDual-zone automatic climate control13.4” touchscreen infotainment system with Google built-inWireless Apple CarPlay® & Android Auto™Wireless charging padPremium Bose® audio systemTechnology & Safety:Rear Vision Camera with Hitch GuidanceAdvanced trailering packageForward Collision AlertLane Keep Assist with Lane Departure WarningRear Cross Traffic Alert and Side Blind Zone AlertKeyless Open & Start with Remote Vehicle StartTough, 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. AMVIC Licensed Dealer