2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
Sterling Metallic
4WD
Diesel
0 Miles
Jet Black w/Kalahari Accents
N8593
1GT4UPEY0TF138183
2500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 2500 AT4 4WD with V8 6.6L Diesel — located in Corinth, MS — delivers commanding capability, comfort, and technology at the best price. Built for heavy-duty towing and confident off-road performance, this GMC Sierra AT4 pairs a proven 6.6L V8 diesel with a robust 4WD system and advanced trail-ready components to tackle worksite tasks or weekend adventures. The rugged exterior is matched by a refined interior featuring premium materials and thoughtful ergonomics. Stay connected and entertained with a BOSE stereo system, Apple CarPlay, and hands-free Bluetooth that keep music, navigation, and calls seamless while you drive. Adaptive Cruise Control enhances highway comfort and safety by maintaining a set distance from traffic, and a heated steering wheel adds warmth and convenience on chilly mornings. Intelligent towing technologies and a durable suspension provide stability and control when hauling heavy loads. This GMC Sierra 2500 AT4 offers the utility of a heavy-duty truck without sacrificing modern conveniences and driver-assist features. Whether you need maximum towing capacity, off-road capability, or a comfortable daily driver with commercial-grade performance, this 2026 model meets those demands. Visit our showroom in Corinth, MS to see why this GMC Sierra AT4 represents the best price and exceptional value for drivers seeking power, comfort, and advanced technology in a 4WD diesel pickup.
Equipment
The vehicle has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. Start this GMC Sierra from inside with remote start. An off-road package is equipped on it. It's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. Engulf yourself with the crystal clear sound of a BOSE sound system in the GMC Sierra. The leather seats in it are a must for buyers looking for comfort, durability, and style. See what's behind you with the back up camera on this model. This model offers Android Auto for seamless smartphone integration. This 3/4 ton pickup features a hands-free Bluetooth phone system. 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. Apple CarPlay: Seamless smartphone integration for this unit - stay connected and entertained on the go!
Packages
Max Trailering Package: Gooseneck/5th Wheel Prep Package. AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps. 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; 6.6L V8 with Direct Injection and Variable Valve Timing Engine; 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 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Power-Retractable Black Assist Steps. Technology Package. Power Sunroof. Body Color Wheel Arch Moldings. MulitPro Audio System by Kicker. Gooseneck/5th Wheel Prep Package. Sterling Metallic. Hitch Package. Rear Underseat Storage. 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.**
2026 GMC Sierra 2500 AT4 4WD with V8 6.6L Diesel — located in Corinth, MS — delivers commanding capability, comfort, and technology at the best price. Built for heavy-duty towing and confident off-road performance, this GMC Sierra AT4 pairs a proven 6.6L V8 diesel with a robust 4WD system and advanced trail-ready components to tackle worksite tasks or weekend adventures. The rugged exterior is matched by a refined interior featuring premium materials and thoughtful ergonomics. Stay connected and entertained with a BOSE stereo system, Apple CarPlay, and hands-free Bluetooth that keep music, navigation, and calls seamless while you drive. Adaptive Cruise Control enhances highway comfort and safety by maintaining a set distance from traffic, and a heated steering wheel adds warmth and convenience on chilly mornings. Intelligent towing technologies and a durable suspension provide stability and control when hauling heavy loads. This GMC Sierra 2500 AT4 offers the utility of a heavy-duty truck without sacrificing modern conveniences and driver-assist features. Whether you need maximum towing capacity, off-road capability, or a comfortable daily driver with commercial-grade performance, this 2026 model meets those demands. Visit our showroom in Corinth, MS to see why this GMC Sierra AT4 represents the best price and exceptional value for drivers seeking power, comfort, and advanced technology in a 4WD diesel pickup.
Equipment
The vehicle has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. Start this GMC Sierra from inside with remote start. An off-road package is equipped on it. It's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. Engulf yourself with the crystal clear sound of a BOSE sound system in the GMC Sierra. The leather seats in it are a must for buyers looking for comfort, durability, and style. See what's behind you with the back up camera on this model. This model offers Android Auto for seamless smartphone integration. This 3/4 ton pickup features a hands-free Bluetooth phone system. 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. Apple CarPlay: Seamless smartphone integration for this unit - stay connected and entertained on the go!
Packages
Max Trailering Package: Gooseneck/5th Wheel Prep Package. AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps. 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; 6.6L V8 with Direct Injection and Variable Valve Timing Engine; 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 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Power-Retractable Black Assist Steps. Technology Package. Power Sunroof. Body Color Wheel Arch Moldings. MulitPro Audio System by Kicker. Gooseneck/5th Wheel Prep Package. Sterling Metallic. Hitch Package. Rear Underseat Storage. 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.**
Features & Options
- Max Trailering Package: Gooseneck/5th Wheel Prep Package
- AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps
- 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; 6.6L V8 with Direct Injection and Variable Valve Timing Engine; 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 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote
- Power-Retractable Black Assist Steps
- Technology Package
- Power Sunroof
- Body Color Wheel Arch Moldings
- MulitPro Audio System by Kicker
- Gooseneck/5th Wheel Prep Package
- Sterling Metallic
- Hitch Package
- Rear Underseat Storage
- LED Smoked Amber Roof Marker Lamps
- Apple CarPlay/Android Auto smart device wireless mirroring
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- Wi-Fi Hotspot capable mobile hotspot internet access
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Adaptive cruise control
- Head-up display
- Automatic Emergency Braking predictive brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- Lane Departure Warning
- Rear Cross-Traffic Alert collision warning
- First-row sliding and tilting glass sunroof with express open/close activation sunshade
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- Duramax 6.6L V-8 diesel direct injection
- intercooled turbo
- diesel
- engine with 470HP
- Duramax 6.6L V-8
- Front wireless smart device charging
- Google Built-In built-in virtual assistant
- Teen Driver restricted driving mode/alerts
- Keyless Open/Keyless Start with hands-free access and push button start
- Keyfob window control
- HD Surround Vision w/Hitch View aerial view camera
- Smart device remote start
- Push-button
- GCW Alert weight capacity alert
- Video-feed rearview mirror
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Bluetooth wireless audio streaming
- Hitch Guidance vehicle to trailer hitching assist
- Gauge cluster display size: 12.30
- Front mounted camera with washer
- Right side camera
- Pickup box camera
- Left side camera
- Trailer Side Blind Zone Alert blind spot warning
- Following Distance Indicator
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Full gauge cluster screen
- Auto high-beam headlights
- Immobilizer
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