2026 GMC Sierra 1500 AT4 Crew Cab 4WD

The 2026 GMC Sierra 1500 AT4 is a rugged, capable truck that's ready to take on any adventure. With its powerful EcoTec3 6.2L V8 engine, delivering 420 horsepower and 460 lb-ft of torque, this Sierra AT4 has the muscle to handle tough jobs and challenging terrain. Paired with a smooth-shifting 10-speed automatic transmission and robust 4-wheel drive system, this truck is engineered to conquer whatever the road or trail throws its way. - 6.2L V8 (EcoTec3) engine with Dynamic Fuel Management - Off-Road Suspension - Auto-Locking Rear Differential - Power Rake and Telescoping Steering Column - Spray-on Pickup Bedliner with GMC Logo - Wireless Charging Beyond its impressive capabilities, the Sierra AT4 is packed with premium features that elevate the driving experience. The Bose 7-speaker sound system, heated and ventilated leather seats, and 15-inch color head-up display create an exceptional level of comfort and convenience. Advanced safety technologies like Automatic Emergency Braking, Lane Keep Assist, and Rear Pedestrian Detection provide added peace of mind. Designed with the adventurous spirit in mind, this Sierra AT4 is the perfect companion for those who demand more from their truck. Whether you're tackling rugged off-road terrain, towing a heavy load, or simply enjoying the open road, this capable and well-equipped GMC will exceed your expectations. At Greg Lair GMC, we're proud to offer this 2026 Sierra 1500 AT4 as part of our exceptional inventory. As a local fixture in the Panhandle for nearly 40 years, we've built a reputation for putting our customers first and delivering a hassle-free buying experience. From our thorough multi-point inspections to our exclusive Lifetime Powertrain Warranty, we ensure that your next vehicle is safe, reliable, and ready for the road. 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 nearly 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 sure your next vehicle is safe, reliable, and ready for the road. Stop by today and see the Greg Lair difference for yourself!.