2026 GMC Sierra AT4
GMC Sierra Details
Automatic
6 Cyl, 3.0L
Onyx Black
4WD
Diesel
0 Miles
Jet Black w/Kalahari Accents
104160
1GTUUEE80TZ266748
1500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
Conquer every trail and highway in style with this 2026 GMC Sierra 1500 AT4 4WD, now available in Marinette, WI. Built for rugged capability and refined comfort, the GMC Sierra AT4 combines a muscular 6-cylinder, 3.0L diesel engine with a stout four-wheel-drive system and an Off-Road Package that elevates performance over rough terrain. Whether you're towing, hauling, or exploring backcountry routes, the diesel torque delivers confident passing power and excellent fuel efficiency for long drives. Step inside to a premium cabin appointed with leather seats that provide comfort and durability on every trip. Advanced technology keeps you connected and in command: integrated navigation guides you to your destination, hands-free Bluetooth ensures safe phone and audio control, and a back-up camera gives precise visibility for tight parking and trailhead maneuvering. The AT4's rugged suspension and off-road-tuned features enhance ground clearance and stability, while purposeful styling signals capability and confidence. Located in Marinette, WI, this GMC Sierra 1500 AT4 is ready for buyers who demand capability, comfort, and modern technology in one commanding pickup. Ideal for outdoor enthusiasts, contractors, and everyday drivers who value diesel efficiency and off-road readiness. Schedule a test drive today to experience the blend of power, refinement, and trail-ready capability that defines the 2026 GMC Sierra 1500 AT4.
Equipment
This 2026 GMC Sierra 1500 stays safely in its lane with Lane Keep Assist. The steering wheel audio controls on this 1/2 ton pickup keep the volume and station within easy reach. The GMC Sierra is pure luxury with a heated steering wheel. The leather seats in this model are a must for buyers looking for comfort, durability, and style. This vehicle offers Android Auto for seamless smartphone integration. Start this unit from inside with remote start. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this GMC Sierra. Anywhere on the planet, you will have hundreds of digital stations to choose from. Engulf yourself with the crystal clear sound of a BOSE sound system in the vehicle. The installed navigation system will keep you on the right path. An off-road package is equipped on the vehicle. The vehicle has auto-adjust speed for safe following.
Packages
AT4 Premium Package: Off-Road High Clearance Step. Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Wheelhouse Liners; 20" X 9" Machined Aluminum Wheels; Auto-Locking Rear Differential; Power Door Locks. AT4 Preferred Package: Power Sliding Rear Window with Rear Defogger; Universal Home Remote. Off-Road High Clearance Step. Power Sunroof. Onyx Black. Front and Rear Black Molded Splash Guards. LT265/60R20 BW MT Tires. **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.**
Conquer every trail and highway in style with this 2026 GMC Sierra 1500 AT4 4WD, now available in Marinette, WI. Built for rugged capability and refined comfort, the GMC Sierra AT4 combines a muscular 6-cylinder, 3.0L diesel engine with a stout four-wheel-drive system and an Off-Road Package that elevates performance over rough terrain. Whether you're towing, hauling, or exploring backcountry routes, the diesel torque delivers confident passing power and excellent fuel efficiency for long drives. Step inside to a premium cabin appointed with leather seats that provide comfort and durability on every trip. Advanced technology keeps you connected and in command: integrated navigation guides you to your destination, hands-free Bluetooth ensures safe phone and audio control, and a back-up camera gives precise visibility for tight parking and trailhead maneuvering. The AT4's rugged suspension and off-road-tuned features enhance ground clearance and stability, while purposeful styling signals capability and confidence. Located in Marinette, WI, this GMC Sierra 1500 AT4 is ready for buyers who demand capability, comfort, and modern technology in one commanding pickup. Ideal for outdoor enthusiasts, contractors, and everyday drivers who value diesel efficiency and off-road readiness. Schedule a test drive today to experience the blend of power, refinement, and trail-ready capability that defines the 2026 GMC Sierra 1500 AT4.
Equipment
This 2026 GMC Sierra 1500 stays safely in its lane with Lane Keep Assist. The steering wheel audio controls on this 1/2 ton pickup keep the volume and station within easy reach. The GMC Sierra is pure luxury with a heated steering wheel. The leather seats in this model are a must for buyers looking for comfort, durability, and style. This vehicle offers Android Auto for seamless smartphone integration. Start this unit from inside with remote start. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this GMC Sierra. Anywhere on the planet, you will have hundreds of digital stations to choose from. Engulf yourself with the crystal clear sound of a BOSE sound system in the vehicle. The installed navigation system will keep you on the right path. An off-road package is equipped on the vehicle. The vehicle has auto-adjust speed for safe following.
Packages
AT4 Premium Package: Off-Road High Clearance Step. Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Wheelhouse Liners; 20" X 9" Machined Aluminum Wheels; Auto-Locking Rear Differential; Power Door Locks. AT4 Preferred Package: Power Sliding Rear Window with Rear Defogger; Universal Home Remote. Off-Road High Clearance Step. Power Sunroof. Onyx Black. Front and Rear Black Molded Splash Guards. LT265/60R20 BW MT Tires. **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 Package: Off-Road High Clearance Step
- Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror
- Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Wheelhouse Liners; 20" X 9" Machined Aluminum Wheels; Auto-Locking Rear Differential; Power Door Locks
- AT4 Preferred Package: Power Sliding Rear Window with Rear Defogger; Universal Home Remote
- Off-Road High Clearance Step
- Power Sunroof
- Onyx Black
- Front and Rear Black Molded Splash Guards
- LT265/60R20 BW MT Tires
- 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
- Lane Keep Assist with Lane Departure Warning
- Rear Cross Traffic Braking collision mitigation
- Adaptive cruise control with stop and go
- Head-up display
- Automatic Emergency Braking predictive brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Integrated navigation system with voice activation
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- 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 3L I-6 diesel direct injection
- DOHC
- variable valve control
- intercooled turbo
- diesel
- engine with 305HP
- Duramax 3L I-6 DOHC
- Front wireless smart device charging
- Google Built-In built-in virtual assistant
- Teen Driver restricted driving mode/alerts
- Rear Pedestrian Alert rear pedestrian detection warning
- 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
- 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
- Voice-activated climate control
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