2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
COASTAL DUNE
4WD
Gasoline
6 Miles
Jet Black w/Kalahari Accents
103717
1GT4UPE77TF127091
2500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 2500 AT4 4WD — Marinette WI's Best Price on a Powerful V8 Truck Looking for a heavy-duty pickup with premium off-road capability and modern tech? This 2026 GMC Sierra 2500 AT4 with a 6.6L V8 gasoline engine delivers best-in-class power, towing confidence, and rugged 4WD performance. Located in Marinette, WI, this GMC Sierra 2500 AT4 is priced competitively — we guarantee the best price in the area. Built for work and weekend adventures, the AT4 trim adds off-road-tuned suspension, durable skid plates, and bold exterior styling. Inside you'll find a refined cabin with convenient features including Android Auto, XM Radio, and Remote Start for cold Wisconsin mornings. Safety-focused systems include Cross-Traffic Alert and a Back-Up Camera to help protect passengers and cargo on tight jobsite or campground maneuvers. The 6.6L V8 provides strong low-end torque for heavy towing and hauling, while the 4WD system ensures traction in snow, mud, or uneven terrain. Whether you need a dependable work truck or a capable trail rig, this GMC Sierra 2500 AT4 balances comfort, capability, and modern connectivity. Stop by in Marinette, WI to test drive this 2026 GMC Sierra 2500 AT4 and see why it's the best-priced heavy-duty truck available locally. Competitive financing and available warranties make ownership easy.
Equipment
It is pure luxury with a heated steering wheel. The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. The GMC Sierra features a hands-free Bluetooth phone system. This 3/4 ton pickup has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. This GMC Sierra offers Android Auto for seamless smartphone integration. This vehicle is equipped with the latest generation of XM/Sirius Radio. The vehicle's Lane Departure Warning helps keep you in your lane. Apple CarPlay: Seamless smartphone integration for the vehicle - stay connected and entertained on the go! This vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. The steering wheel audio controls on the vehicle keep the volume and station within easy reach. Engulf yourself with the crystal clear sound of a BOSE sound system in this 2026 GMC Sierra 2500. Never get into a cold vehicle again with the remote start feature on this model.
Packages
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 Sunroof. Gooseneck/5th Wheel Prep Package. Coastal Dune. Hitch Package. LT275/65R20E 126/123 Off-Road T/A KO3 Tires. 1st and 2nd Rows All-Weather Floor Liners. Black Front and Rear Molded Splash Guards. 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 — Marinette WI's Best Price on a Powerful V8 Truck Looking for a heavy-duty pickup with premium off-road capability and modern tech? This 2026 GMC Sierra 2500 AT4 with a 6.6L V8 gasoline engine delivers best-in-class power, towing confidence, and rugged 4WD performance. Located in Marinette, WI, this GMC Sierra 2500 AT4 is priced competitively — we guarantee the best price in the area. Built for work and weekend adventures, the AT4 trim adds off-road-tuned suspension, durable skid plates, and bold exterior styling. Inside you'll find a refined cabin with convenient features including Android Auto, XM Radio, and Remote Start for cold Wisconsin mornings. Safety-focused systems include Cross-Traffic Alert and a Back-Up Camera to help protect passengers and cargo on tight jobsite or campground maneuvers. The 6.6L V8 provides strong low-end torque for heavy towing and hauling, while the 4WD system ensures traction in snow, mud, or uneven terrain. Whether you need a dependable work truck or a capable trail rig, this GMC Sierra 2500 AT4 balances comfort, capability, and modern connectivity. Stop by in Marinette, WI to test drive this 2026 GMC Sierra 2500 AT4 and see why it's the best-priced heavy-duty truck available locally. Competitive financing and available warranties make ownership easy.
Equipment
It is pure luxury with a heated steering wheel. The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. The GMC Sierra features a hands-free Bluetooth phone system. This 3/4 ton pickup has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. This GMC Sierra offers Android Auto for seamless smartphone integration. This vehicle is equipped with the latest generation of XM/Sirius Radio. The vehicle's Lane Departure Warning helps keep you in your lane. Apple CarPlay: Seamless smartphone integration for the vehicle - stay connected and entertained on the go! This vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. The steering wheel audio controls on the vehicle keep the volume and station within easy reach. Engulf yourself with the crystal clear sound of a BOSE sound system in this 2026 GMC Sierra 2500. Never get into a cold vehicle again with the remote start feature on this model.
Packages
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 Sunroof. Gooseneck/5th Wheel Prep Package. Coastal Dune. Hitch Package. LT275/65R20E 126/123 Off-Road T/A KO3 Tires. 1st and 2nd Rows All-Weather Floor Liners. Black Front and Rear Molded Splash Guards. 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
- 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 Sunroof
- Gooseneck/5th Wheel Prep Package
- Coastal Dune
- Hitch Package
- LT275/65R20E 126/123 Off-Road T/A KO3 Tires
- 1st and 2nd Rows All-Weather Floor Liners
- Black Front and Rear Molded Splash Guards
- 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
- 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
- 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
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