2026 GMC Sierra AT4X
GMC Sierra Details
Automatic
V8, 6.6L
COASTAL DUNE
4WD
Diesel
0 Miles
Obsidian Rush
16456
1GT4UZEYXTF125968
2500
Leather
AT4X
Estimated Payment
$0 / month
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 2500 AT4X 4WD with the V8 6.6L Diesel offers uncompromising capability and premium comfort for demanding drivers. This rugged heavy-duty pickup delivers exceptional towing and hauling performance thanks to its stout 6.6L Duramax-style diesel V8 and robust four-wheel-drive system, making it ideal for work sites, trailheads, and long hauls. The AT4X trim elevates off-road readiness with reinforced suspension, durable skid plates, and off-road-tuned shocks for confidence over rough terrain. Inside, expect a refined cabin with modern connectivity and convenience. Enjoy smartphone integration through Apple CarPlay and Android Auto, and stay comfortable with a heated steering wheel for cold mornings on the road. Advanced safety features include Lane Departure Warning and Rear Cross-Traffic Alert to help protect you and your crew in busy conditions. Premium seats, intuitive controls, and ample storage make professional use and family trips equally accommodating. This GMC Sierra 2500 is located in Indio, CA, ready for test drives and immediate delivery. With top-tier mechanical strength and upscale interior technology, it represents exceptional value. We’re offering the best price on this 2026 GMC Sierra 2500 AT4X 4WD V8 6.6L Diesel—an unbeatable combination of performance, capability, and comfort for those who demand more from their truck. Contact us to schedule a viewing.
Equipment
The leather seats in this 2026 GMC Sierra 2500 are a must for buyers looking for comfort, durability, and style. This vehicle features steering wheel audio controls. An off-road package is equipped on it. The vehicle features a high end BOSE stereo system. Apple CarPlay: Seamless smartphone integration for the vehicle - stay connected and entertained on the go! The vehicle is equipped with the latest generation of XM/Sirius Radio. This unit's Lane Departure Warning helps keep you in your lane. This 2026 GMC Sierra 2500 has auto-adjust speed for safe following. Keep your hands warm all winter with a heated steering wheel in it . See what's behind you with the back up camera on this model. Bluetooth technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road. This unit comes equipped with Android Auto for seamless smartphone integration on the road.
Packages
Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Inside Rearview Auo-Dimming Rear Camera Mirror; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; LED Smoked Amber Roof Marker Lamps; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Rear Premium Floor Liners with Removable Carpet Insert; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series 12-Speaker System; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; Bed View Camera with Two Trailer Camera Provisions; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; 120-Volt Bed Mounted Power Outlet; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Rear Wheelhouse Liners. Gooseneck/5th Wheel Prep Package. Coastal Dune. **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.**
Manufacturer Incentives
Price includes: Guaranteed Incentives: $500 - Buick & GMC Consumer Cash Program - Exp. 9/30/2025. Contact dealer to verify final pricing.
2026 GMC Sierra 2500 AT4X 4WD with the V8 6.6L Diesel offers uncompromising capability and premium comfort for demanding drivers. This rugged heavy-duty pickup delivers exceptional towing and hauling performance thanks to its stout 6.6L Duramax-style diesel V8 and robust four-wheel-drive system, making it ideal for work sites, trailheads, and long hauls. The AT4X trim elevates off-road readiness with reinforced suspension, durable skid plates, and off-road-tuned shocks for confidence over rough terrain. Inside, expect a refined cabin with modern connectivity and convenience. Enjoy smartphone integration through Apple CarPlay and Android Auto, and stay comfortable with a heated steering wheel for cold mornings on the road. Advanced safety features include Lane Departure Warning and Rear Cross-Traffic Alert to help protect you and your crew in busy conditions. Premium seats, intuitive controls, and ample storage make professional use and family trips equally accommodating. This GMC Sierra 2500 is located in Indio, CA, ready for test drives and immediate delivery. With top-tier mechanical strength and upscale interior technology, it represents exceptional value. We’re offering the best price on this 2026 GMC Sierra 2500 AT4X 4WD V8 6.6L Diesel—an unbeatable combination of performance, capability, and comfort for those who demand more from their truck. Contact us to schedule a viewing.
Equipment
The leather seats in this 2026 GMC Sierra 2500 are a must for buyers looking for comfort, durability, and style. This vehicle features steering wheel audio controls. An off-road package is equipped on it. The vehicle features a high end BOSE stereo system. Apple CarPlay: Seamless smartphone integration for the vehicle - stay connected and entertained on the go! The vehicle is equipped with the latest generation of XM/Sirius Radio. This unit's Lane Departure Warning helps keep you in your lane. This 2026 GMC Sierra 2500 has auto-adjust speed for safe following. Keep your hands warm all winter with a heated steering wheel in it . See what's behind you with the back up camera on this model. Bluetooth technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road. This unit comes equipped with Android Auto for seamless smartphone integration on the road.
Packages
Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Inside Rearview Auo-Dimming Rear Camera Mirror; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; LED Smoked Amber Roof Marker Lamps; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Rear Premium Floor Liners with Removable Carpet Insert; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series 12-Speaker System; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; Bed View Camera with Two Trailer Camera Provisions; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; 120-Volt Bed Mounted Power Outlet; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Rear Wheelhouse Liners. Gooseneck/5th Wheel Prep Package. Coastal Dune. **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.**
Manufacturer Incentives
Price includes: Guaranteed Incentives: $500 - Buick & GMC Consumer Cash Program - Exp. 9/30/2025. Contact dealer to verify final pricing.
Features & Options
- Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Inside Rearview Auo-Dimming Rear Camera Mirror; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; LED Smoked Amber Roof Marker Lamps; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Rear Premium Floor Liners with Removable Carpet Insert; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series 12-Speaker System; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; Bed View Camera with Two Trailer Camera Provisions; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; 120-Volt Bed Mounted Power Outlet; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Rear Wheelhouse Liners
- Gooseneck/5th Wheel Prep Package
- Coastal Dune
- 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
- seatback side bolster 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
- 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
- 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 tire pressure sensors
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Off-road speed control
- Full gauge cluster screen
- Auto high-beam headlights
- Massaging driver seat
- -