Vehicle Details
Take on tough jobs and weekend adventures in this 2026 GMC Sierra 2500 AT4, a heavy-duty pickup built for power, capability, and comfort. Equipped with 4WD and a V8, 6.6L Diesel engine, this GMC Sierra 2500 AT4 delivers the strength you want for hauling, towing, and demanding workdays. The bold AT4 trim adds a rugged look with off-road confidence, while the refined cabin keeps every drive comfortable. Stay connected with Hands Free Bluetooth®, enjoy your favorite stations with XM Radio, and make cold mornings easier with the Heated Steering Wheel. Remote Start adds convenience before you even climb in, and Lane Departure Warning helps support safer driving on the road. Whether you're navigating ranch roads, job sites, or the highway, this GMC Sierra 2500 AT4 is ready for the challenge. Located in Stephenville TX, this diesel-powered 4x4 truck is a smart choice for drivers who need serious capability without sacrificing modern features. Visit us today to see why the 2026 GMC Sierra 2500 AT4 stands out among heavy-duty trucks. From its commanding stance to its proven performance, this GMC Sierra 2500 AT4 is ideal for buyers searching for a diesel 4WD truck in Stephenville TX, a dependable workhorse for towing, hauling, and everyday driving with premium technology and rugged GMC capability and performance confidence.

Equipment
The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. This GMC Sierra features a high end BOSE stereo system. Never get into a cold vehicle again with the remote start feature on this 3/4 ton pickup. The steering wheel audio controls on this unit keep the volume and station within easy reach. This model warns of approaching vehicles with Cross-Traffic Alert. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this unit. Anywhere on the planet, you will have hundreds of digital stations to choose from. An off-road package is equipped on this model. Bluetooth® technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road. Apple CarPlay: Seamless smartphone integration for this 3/4 ton pickup - stay connected and entertained on the go! This GMC Sierra offers Android Auto for seamless smartphone integration.

Packages
AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step; Technology Package. Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats