2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
Sterling Metallic
4WD
Gasoline
0 Miles
Jet Black w/Kalahari Accents
G7235
1GT4UPE70TF199458
2500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 2500 AT4 4WD — Powerful V8 Performance, Pristine Condition, Best Price in Casper WY Ready to conquer Wyoming roads and trails, this 2026 GMC Sierra 2500 AT4 combines rugged capability with refined comfort. Powered by a stout 6.6L V8 gasoline engine and 4WD, the GMC Sierra 2500 AT4 delivers commanding towing and hauling performance while maintaining a confident, controlled ride. Whether you're towing heavy payloads or exploring backcountry routes, the Off-Road Package elevates ground clearance, suspension tuning, and traction for serious capability off pavement. Inside, premium Leather Seats provide a comfortable, upscale cabin for long drives and workdays alike. Steering Wheel Audio Controls and integrated XM Radio keep entertainment and hands-free convenience within reach, while advanced safety tech like Lane Departure Warning promotes confident highway travel. The AT4 trim balances rugged exterior styling with thoughtful interior appointments and durable materials built for Montana to Wyoming conditions. Located in Casper WY, this GMC Sierra 2500 AT4 is competitively priced and advertised as the best price in the area — a compelling value for buyers seeking maximum capability without overpaying. Ideal for contractors, outdoor enthusiasts, and anyone needing a heavy-duty truck that's as comfortable on the commute as it is on the trail. Contact us today to schedule a test drive and experience the power, comfort, and off-road readiness of this 2026 GMC Sierra 2500 AT4.
Equipment
Apple CarPlay: Seamless smartphone integration for this model - stay connected and entertained on the go! This 3/4 ton pickup's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. The GMC Sierra offers Android Auto for seamless smartphone integration. Start this model from inside with remote start. This vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Protect the GMC Sierra from unwanted accidents with a cutting edge backup camera system. An off-road package is equipped on it. Engulf yourself with the crystal clear sound of a BOSE sound system in this unit. Bluetooth technology is built into the GMC Sierra, keeping your hands on the steering wheel and your focus on the road. The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. This 3/4 ton pickup features steering wheel audio controls. Keep your hands warm all winter with a heated steering wheel in this GMC Sierra .
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; 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. Sterling Metallic. 3 Years SiriusXM. 1st and 2nd Rows All-Weather Floor Liners. 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 — Powerful V8 Performance, Pristine Condition, Best Price in Casper WY Ready to conquer Wyoming roads and trails, this 2026 GMC Sierra 2500 AT4 combines rugged capability with refined comfort. Powered by a stout 6.6L V8 gasoline engine and 4WD, the GMC Sierra 2500 AT4 delivers commanding towing and hauling performance while maintaining a confident, controlled ride. Whether you're towing heavy payloads or exploring backcountry routes, the Off-Road Package elevates ground clearance, suspension tuning, and traction for serious capability off pavement. Inside, premium Leather Seats provide a comfortable, upscale cabin for long drives and workdays alike. Steering Wheel Audio Controls and integrated XM Radio keep entertainment and hands-free convenience within reach, while advanced safety tech like Lane Departure Warning promotes confident highway travel. The AT4 trim balances rugged exterior styling with thoughtful interior appointments and durable materials built for Montana to Wyoming conditions. Located in Casper WY, this GMC Sierra 2500 AT4 is competitively priced and advertised as the best price in the area — a compelling value for buyers seeking maximum capability without overpaying. Ideal for contractors, outdoor enthusiasts, and anyone needing a heavy-duty truck that's as comfortable on the commute as it is on the trail. Contact us today to schedule a test drive and experience the power, comfort, and off-road readiness of this 2026 GMC Sierra 2500 AT4.
Equipment
Apple CarPlay: Seamless smartphone integration for this model - stay connected and entertained on the go! This 3/4 ton pickup's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. The GMC Sierra offers Android Auto for seamless smartphone integration. Start this model from inside with remote start. This vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Protect the GMC Sierra from unwanted accidents with a cutting edge backup camera system. An off-road package is equipped on it. Engulf yourself with the crystal clear sound of a BOSE sound system in this unit. Bluetooth technology is built into the GMC Sierra, keeping your hands on the steering wheel and your focus on the road. The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. This 3/4 ton pickup features steering wheel audio controls. Keep your hands warm all winter with a heated steering wheel in this GMC Sierra .
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; 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. Sterling Metallic. 3 Years SiriusXM. 1st and 2nd Rows All-Weather Floor Liners. 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; 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
- Sterling Metallic
- 3 Years SiriusXM
- 1st and 2nd Rows All-Weather Floor Liners
- 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
- 6.6L V-8 gasoline direct injection
- variable valve control
- regular unleaded
- engine with 401HP
- 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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