2026 GMC Sierra AT4 Diesel

Equipment
The GMC Sierra warns of approaching vehicles with Cross-Traffic Alert. The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. Bluetooth technology is built into the vehicle, keeping your hands on the steering wheel and your focus on the road. This 2026 GMC Sierra 2500 is equipped with the latest generation of XM/Sirius Radio. The steering wheel audio controls on the GMC Sierra keep the volume and station within easy reach. Protect it from unwanted accidents with a cutting edge backup camera system. This model has auto-adjust speed for safe following. Keep your hands warm all winter with a heated steering wheel in this model . An off-road package is installed on this vehicle so you are ready for your four-wheeling best. The vehicle offers Android Auto for seamless smartphone integration. This 3/4 ton pickup's Lane Departure Warning helps keep you in your lane.

Packages
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; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners. AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step; Technology Package. AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Technology Package. Off-Road High Clearance Step. Power Sunroof. Gooseneck/5th Wheel Prep Package. Onyx Black. Black Front and Rear Molded Splash Guards. Cargo Tie-Down Rings (set of 4). LED Smoked Amber Roof Marker Lamps. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**