2026 GMC Sierra 1500

This 2026 GMC Sierra 1500 Denali in black represents premium truck capability with refined comfort and advanced technology working together seamlessly. - 3.0L Duramax I-6 Diesel Turbocharged engine with 305 hp and 495 lb-ft of torque - 10-speed automatic transmission with 4WD - Premium Bose 7-speaker sound system with SiriusXM 360L - Heated and cooled leather seats with 12-way power adjustment - Spray-on bedliner with GMC logo and GMC MultiPro Power Steps - Multicolor 15-inch head-up display with navigation system - Apple CarPlay and Android Auto with wireless capability - HD surround vision with bed view and rear camera mirror - Adaptive suspension with automatic high-beam headlights - Lane keep assist, forward collision alert, and automatic emergency braking - Wireless charging and Wi-Fi hotspot capability - Trailer side blind zone alert and integrated trailer brake controller - Power sunroof and power sliding rear window - 22-inch painted aluminum wheels - Denali Reserve Package with premium amenities The diesel engine delivers strong torque for towing and hauling while providing solid fuel economy at 22 city and 26 highway mpg. The Denali trim elevates this Sierra with genuine wood interior appointments, chrome grille styling, and exclusive exterior details that set it apart from standard models. This is a one-owner vehicle with a clean Carfax history, sourced locally and never smoked in, ensuring a well-maintained truck ready for immediate use. Inside, the cabin reflects Denali's commitment to quality with leather seating surfaces, heated and ventilated front seats, and a heated steering wheel for year-round comfort. The 15-inch head-up display puts critical information within your line of sight while the navigation system integrates with smartphone connectivity through wireless Apple CarPlay and Android Auto. Multiple USB ports, including two Type-C ports in the rear, ensure all passengers stay connected. Safety technology is comprehensive, featuring lane keep assist with lane departure warning, front pedestrian braking, rear cross traffic braking, and rear pedestrian detection. The ultrasonic park assist system with surround vision cameras provides confidence in confined spaces, while the following distance indicator helps maintain safe separation on highways. For truck owners who need capability, the Trailering Package includes an integrated trailer brake controller, hitch guidance, and hitch view to simplify towing setup. The trailer side blind zone alert adds an extra layer of visibility when hauling. Why buy from Greg Lair GMC? It's a great question with an even better answer! We've been a local fixture in the Panhandle for over 40 years, putting customers from Amarillo and the Panhandle first every single day. We set ourselves apart as the home of the FREE Lifetime Powertrain Warranty on all inventory under 100,000 miles. From our hassle-free buying process to our thorough multi-point inspections by Certified GM Technicians, we make s