Experience the pinnacle of performance and capability with the 2026 GMC Sierra 1500 AT4. This exceptional truck is engineered to conquer any terrain, while delivering uncompromising comfort and advanced technology.Boasting a powerful 6.2L EcoTec3 V8 engine, the Sierra AT4 delivers an impressive 420 horsepower and 460 lb-ft of torque, seamlessly paired with a 10-speed automatic transmission and robust 4WD system. Elevate your driving experience with premium features such as:- Leather-appointed seating- Heated and cooled front seats- Heated steering wheel- Blind spot monitoring- Parking sensors- Remote start- Wireless phone charging- Bose premium sound system- Power sunroof- Integrated trailer brake controllerThe Sierra AT4 is built to tackle the toughest jobs with ease. Equipped with an off-road-tuned suspension, skid plates, and all-terrain tires, this truck is ready to take on any adventure. Plus, with a class-leading towing capacity and integrated trailer system, you can haul your gear with confidence.Step inside the Sierra AT4 and be surrounded by premium materials and cutting-edge technology. The spacious cabin features a 15-inch head-up display, wireless Apple CarPlay and Android Auto, and a suite of advanced safety features, including automatic emergency braking, lane keep assist, and rear cross-traffic alert.Whether you're conquering the great outdoors or navigating the city streets, the 2026 GMC Sierra 1500 AT4 is the ultimate companion. Experience the power, capability, and refinement that set this truck apart from the rest.Price excludes applicable tax, tag, and fees.Price may not include dealer installed accessories.Ready to take the next step? Visit us at www.ParksBuickGMC.com or call today to get your questions answered, request a custom quote, or book your test drive. Parks Buick GMC in Greenville proudly serves drivers across South Carolina with a wide selection of new Buick & GMC models, commercial trucks, and quality pre-owned vehicles. Stop by 2640 Laurens Rd, Greenville, SC 29607 - we're here to help you find your next vehicle. Price includes: $1750 - Purchase Allowance. Exp. 03/31/2026 $500 - Bonus Cash. Exp. 03/31/2026