2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
Onyx Black
4WD
Diesel
4 Miles
Jet Black w/Kalahari Accents
GB515
1GT4UPEYXTF120645
2500
Leather
AT4
Estimated Payment
$0 / month
About This 2026 GMC Sierra
Vehicle Details
Experience powerful capability and premium comfort with this 2026 GMC Sierra 2500 AT4 4WD, located in Demotte, IN. Powered by a robust 6.6L V8 diesel, this GMC Sierra delivers exceptional towing and hauling performance while maintaining smooth highway manners. The rugged AT4 trim pairs off-road-ready suspension and protective skid plates with refined interior appointments, making it perfect for work, play, or weekend adventures. This GMC Sierra 2500 is packed with tech and convenience features to enhance every drive. Stay connected with Apple CarPlay and Hands Free Bluetooth for seamless smartphone integration and safe calling. XM Radio ensures endless entertainment on long trips, while Remote Start gives you climate control comfort before you step inside. Adaptive Cruise Control provides advanced driver assistance to reduce fatigue on long hauls and highway commutes. Looking for value? This GMC Sierra 2500 AT4 4WD with the powerful 6.6L diesel has the best price in the area, making it an unbeatable combination of capability, comfort, and savings. Whether you need a dependable work truck or a capable off-road cruiser, this vehicle delivers premium performance without compromise. Located in Demotte, IN, it’s ready for immediate test drives and inspections. Don’t miss your chance to own a top-tier heavy-duty truck at the best price—schedule your visit today and experience the 2026 GMC Sierra 2500 AT4 for yourself.
Equipment
The steering wheel audio controls on this GMC Sierra keep the volume and station within easy reach. This unit warns of approaching vehicles with Cross-Traffic Alert. This unit has auto-adjust speed for safe following. Keep your hands warm all winter with a heated steering wheel in this 2026 GMC Sierra 2500 . The GMC Sierra features a high end BOSE stereo system. This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. This unit offers Apple CarPlay for seamless connectivity. This model features a hands-free Bluetooth phone system. Start it from inside with remote start. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. An off-road package is installed on this 2026 GMC Sierra 2500 so you are ready for your four-wheeling best. This unit's Lane Departure Warning keeps you safe by alerting you when you drift from your lane.
Packages
Cargo Convenience Package: Console-Mounted Safe; Rear Underseat Storage. 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. Black Sport Step. Gooseneck/5th Wheel Prep Package. Onyx Black. Console-Mounted Safe. 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.**
Experience powerful capability and premium comfort with this 2026 GMC Sierra 2500 AT4 4WD, located in Demotte, IN. Powered by a robust 6.6L V8 diesel, this GMC Sierra delivers exceptional towing and hauling performance while maintaining smooth highway manners. The rugged AT4 trim pairs off-road-ready suspension and protective skid plates with refined interior appointments, making it perfect for work, play, or weekend adventures. This GMC Sierra 2500 is packed with tech and convenience features to enhance every drive. Stay connected with Apple CarPlay and Hands Free Bluetooth for seamless smartphone integration and safe calling. XM Radio ensures endless entertainment on long trips, while Remote Start gives you climate control comfort before you step inside. Adaptive Cruise Control provides advanced driver assistance to reduce fatigue on long hauls and highway commutes. Looking for value? This GMC Sierra 2500 AT4 4WD with the powerful 6.6L diesel has the best price in the area, making it an unbeatable combination of capability, comfort, and savings. Whether you need a dependable work truck or a capable off-road cruiser, this vehicle delivers premium performance without compromise. Located in Demotte, IN, it’s ready for immediate test drives and inspections. Don’t miss your chance to own a top-tier heavy-duty truck at the best price—schedule your visit today and experience the 2026 GMC Sierra 2500 AT4 for yourself.
Equipment
The steering wheel audio controls on this GMC Sierra keep the volume and station within easy reach. This unit warns of approaching vehicles with Cross-Traffic Alert. This unit has auto-adjust speed for safe following. Keep your hands warm all winter with a heated steering wheel in this 2026 GMC Sierra 2500 . The GMC Sierra features a high end BOSE stereo system. This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. This unit offers Apple CarPlay for seamless connectivity. This model features a hands-free Bluetooth phone system. Start it from inside with remote start. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. An off-road package is installed on this 2026 GMC Sierra 2500 so you are ready for your four-wheeling best. This unit's Lane Departure Warning keeps you safe by alerting you when you drift from your lane.
Packages
Cargo Convenience Package: Console-Mounted Safe; Rear Underseat Storage. 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. Black Sport Step. Gooseneck/5th Wheel Prep Package. Onyx Black. Console-Mounted Safe. 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
- Cargo Convenience Package: Console-Mounted Safe; Rear Underseat Storage
- 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
- Black Sport Step
- Gooseneck/5th Wheel Prep Package
- Onyx Black
- Console-Mounted Safe
- 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
- 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
- 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
- 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
- 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
- Bose speakers
- OnStar vehicle integrated emergency SOS system
- Bluetooth handsfree wireless device connectivity
- Trailer brake controller
- Trailer sway control
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