Vehicle Details2026 GMC Sierra 2500 AT4 4WD with the robust 6.6L V8 Diesel a premium heavy-duty pickup built for work and weekend adventures. Located in Livingston, TX, this GMC Sierra 2500 AT4 blends serious capability with refined comfort, offering a commanding towing and hauling platform while delivering a smooth, confident on-road experience. Powered by the proven 6.6L V8 diesel, the drivetrain pairs with advanced four-wheel drive systems to handle rough terrain and difficult weather with ease. Inside, experience a suite of modern conveniences: Adaptive Cruise Control for safer long-distance driving, a BOSE stereo system that elevates every drive with rich, balanced sound, and seamless phone integration via Android Auto. Warm up or cool down remotely with Remote Start, and stay comfortable on chilly mornings with a Heated Steering Wheel that keeps your hands cozy during early departures. The AT4 trim adds off-road-ready suspension and rugged styling, making this GMC Sierra equally suited for job sites and backcountry routes. Competitively priced and positioned as the best deal in the area, this 2026 GMC Sierra 2500 AT4 in Livingston, TX delivers exceptional value without compromising capability or comfort. Contact us today to schedule a test drive and see why this diesel-powered 4WD truck is the smart choice for drivers who demand strength, technology, and refinement.EquipmentIt's Lane Departure Warning helps keep you in your lane. Keep your hands warm all winter with a heated steering wheel in this 2026 GMC Sierra 2500 . This 2026 GMC Sierra 2500 warns of approaching vehicles with Cross-Traffic Alert. This vehicle features a hands-free Bluetooth phone system. See what's behind you with the back up camera on the vehicle. This 3/4 ton pickup offers Android Auto for seamless smartphone integration. Engulf yourself with the crystal clear sound of a BOSE sound system in this GMC Sierra. Start this model from inside with remote start. This 3/4 ton pickup has auto-adjust speed for safe following. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. This unit offers Apple CarPlay for seamless connectivity. Keep safely connected while in this GMC Sierra with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling.