2026 GMC Sierra AT4

Vehicle Details
2026 GMC Sierra 3500 AT4 4WD V8 6.6L Diesel - Rexburg ID - Best Price

Looking for a heavy-duty truck that blends power, comfort, and advanced safety? This 2026 GMC Sierra 3500 AT4 with a 6.6L V8 diesel engine and 4WD delivers exceptional towing capacity, rugged capability, and refined interior features - now available in Rexburg, ID at the best price in the area.

Interior comfort includes premium leather seats that keep driver and passengers comfortable on long hauls. Technology and convenience features such as remote start and a back-up camera make daily driving and job-site tasks easier and safer. Safety systems include lane departure warning and adaptive cruise control for confident highway driving and enhanced situational awareness.

The AT4 trim brings off-road-ready suspension, durable exterior styling, and functional bed accessories to handle tough work and weekend adventures. Ideal for towing trailers, hauling payloads, and navigating Idaho's varied terrain, the diesel V8 provides robust torque and long-lasting performance.

Ready for immediate sale in Rexburg, ID, this GMC Sierra 3500 AT4 represents top value for drivers seeking capability and comfort without compromise. Contact us to schedule a test drive and see why this 2026 GMC Sierra 3500 AT4 is priced to move - the best price in Rexburg for a truck of this class and specification.

Equipment
The vehicle has auto-adjust speed for safe following. See what's behind you with the back up camera on this 2026 GMC Sierra 3500. The leather seats in it are a must for buyers looking for comfort, durability, and style. This model's Lane Departure Warning helps keep you in your lane. This GMC Sierra features a high end BOSE stereo system. Start this unit from inside with remote start. Keep your hands warm all winter with a heated steering wheel in this model . The steering wheel audio controls on this GMC Sierra keep the volume and station within easy reach. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving the GMC Sierra. Anywhere on the planet, you will have hundreds of digital stations to choose from. An off-road package is installed on this GMC Sierra so you are ready for your four-wheeling best.

Packages
AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step. 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 Camera Provisions; Electric Rear-Window Defogger; Floor-Mounted Center Console; 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; Premium Front Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Premium Rear Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Windows with Passenger 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; Gloss Black Header and Grille Insert Bars; Rear Wheelhouse Liners. Technology Package: Multicolor 15" Diagonal Head-Up Display; Auto-Dimming Inside Rearview Mirror with Camera. AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Off-Road High Clearance Step. Power Sunroof. Gooseneck/5th Wheel Prep Package. LT275/65R20E 126/123 Off-Road T/A KO3 Tires. 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.**AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step. 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 Camera Provisions; Electric Rear-Window Defogger; Floor-Mounted Center Console; 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; Premium Front Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Premium Rear Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Windows with Passenger 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; Gloss Black Header and Grille Insert Bars; Rear Wheelhouse Liners. Technology Package: Multicolor 15" Diagonal Head-Up Display; Auto-Dimming Inside Rearview Mirror with Camera. AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Off-Road High Clearance Step. Power Sunroof. Gooseneck/5th Wheel Prep Package. LT275/65R20E 126/123 Off-Road T/A KO3 Tires. 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.**

Additional Information
*Select inventory is subject to a Market Adjustment


Published price is subject to change without notice to correct errors or omissions or in the event of inventory fluctuations. Price does not include tax, title, registration, or acquisition fees. Not responsible for typographical or technical errors. Not valid with prior sales. Picture may not represent actual vehicle. Please confirm all accuracy of information with dealer prior to purchase.