2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
ONYX BLACK
4WD
Diesel
2 Miles
Jet Black w/Kalahari Accents
BT262088
1GT4UPEY0TF126051
2500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 2500 AT4 4WD — 6.6L V8 Diesel, Beckley WV. Ready for heavy-duty work and refined off-road capability, this GMC Sierra 2500 AT4 delivers power, confidence, and premium features at the best price in Beckley. The 6.6L V8 Duramax diesel provides outstanding torque for towing and hauling, while the 4WD system and AT4 suspension tackle rough roads and steep terrain with ease. Safety and convenience come standard: Lane Departure Warning and Cross-Traffic Alert help prevent collisions, Adaptive Cruise Control reduces driver fatigue on long hauls, and the Back-Up Camera makes trailer hookups and tight parking simple. Stay entertained and informed with XM Radio and a modern infotainment system built for both workdays and weekend adventures. This GMC Sierra 2500 AT4 combines rugged capability with upscale interior touches and smart driver-assist technology. Whether you're towing heavy equipment, navigating mountain roads near Beckley, WV, or seeking a comfortable daily driver with commercial-grade performance, this truck stands out for value and capability. We price competitively to offer the best deal in the area — don't miss this opportunity. Contact us in Beckley, WV to schedule a test drive and secure the best-priced 2026 GMC Sierra 2500 AT4 4WD with the 6.6L diesel today.
Equipment
An off-road package is installed on this model so you are ready for your four-wheeling best. See what's behind you with the back up camera on the GMC Sierra. This unit comes equipped with Android Auto for seamless smartphone integration on the road. Apple CarPlay: Seamless smartphone integration for this model - stay connected and entertained on the go! Keep your hands warm all winter with a heated steering wheel in it . This 2026 GMC Sierra 2500 has auto-adjust speed for safe following. The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. Start it from inside with remote start. This 2026 GMC Sierra 2500 features steering wheel audio controls. Engulf yourself with the crystal clear sound of a BOSE sound system in the vehicle. This 3/4 ton pickup warns of approaching vehicles with Cross-Traffic Alert. Bluetooth technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road.
Packages
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; 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. Snow Plow Prep/camper Package: 220-Amp Alternator; Skid Plates. Power-Retractable Black Assist Steps. Technology Package. Power Sunroof. Gooseneck/5th Wheel Prep Package. Onyx Black. High Idle Switch. Upfitter Switch Kit (5). 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 — 6.6L V8 Diesel, Beckley WV. Ready for heavy-duty work and refined off-road capability, this GMC Sierra 2500 AT4 delivers power, confidence, and premium features at the best price in Beckley. The 6.6L V8 Duramax diesel provides outstanding torque for towing and hauling, while the 4WD system and AT4 suspension tackle rough roads and steep terrain with ease. Safety and convenience come standard: Lane Departure Warning and Cross-Traffic Alert help prevent collisions, Adaptive Cruise Control reduces driver fatigue on long hauls, and the Back-Up Camera makes trailer hookups and tight parking simple. Stay entertained and informed with XM Radio and a modern infotainment system built for both workdays and weekend adventures. This GMC Sierra 2500 AT4 combines rugged capability with upscale interior touches and smart driver-assist technology. Whether you're towing heavy equipment, navigating mountain roads near Beckley, WV, or seeking a comfortable daily driver with commercial-grade performance, this truck stands out for value and capability. We price competitively to offer the best deal in the area — don't miss this opportunity. Contact us in Beckley, WV to schedule a test drive and secure the best-priced 2026 GMC Sierra 2500 AT4 4WD with the 6.6L diesel today.
Equipment
An off-road package is installed on this model so you are ready for your four-wheeling best. See what's behind you with the back up camera on the GMC Sierra. This unit comes equipped with Android Auto for seamless smartphone integration on the road. Apple CarPlay: Seamless smartphone integration for this model - stay connected and entertained on the go! Keep your hands warm all winter with a heated steering wheel in it . This 2026 GMC Sierra 2500 has auto-adjust speed for safe following. The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. Start it from inside with remote start. This 2026 GMC Sierra 2500 features steering wheel audio controls. Engulf yourself with the crystal clear sound of a BOSE sound system in the vehicle. This 3/4 ton pickup warns of approaching vehicles with Cross-Traffic Alert. Bluetooth technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road.
Packages
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; 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. Snow Plow Prep/camper Package: 220-Amp Alternator; Skid Plates. Power-Retractable Black Assist Steps. Technology Package. Power Sunroof. Gooseneck/5th Wheel Prep Package. Onyx Black. High Idle Switch. Upfitter Switch Kit (5). 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
- 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; 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
- Snow Plow Prep/camper Package: 220-Amp Alternator; Skid Plates
- Power-Retractable Black Assist Steps
- Technology Package
- Power Sunroof
- Gooseneck/5th Wheel Prep Package
- Onyx Black
- High Idle Switch
- Upfitter Switch Kit (5)
- 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
- -










