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Map 243 Automotive Ave., Bozeman, MT Today 8:30-6pm (833) 441-4611
Home / New 2026 Gmc Sierra Bozeman, Mt / New 2026 Gmc Sierra At4 in Bozeman Mt

2026 GMC Sierra AT4 Diesel

VIN 1GT4UVEY9TF262697
Mileage 11
Newest Arrival
2026 GMC Sierra AT4 Bozeman MT
2026 GMC Sierra AT4 Bozeman MT
2026 GMC Sierra AT4 Bozeman MT
2026 GMC Sierra AT4 Bozeman MT

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2026 GMC Sierra AT4 Bozeman MT
2026 GMC Sierra AT4 Bozeman MT
2026 GMC Sierra AT4 Bozeman MT
2026 GMC Sierra AT4 Bozeman MT
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6.6 8 Cyl
10-speed automatic
Jet Black w/Kalahari Accents Interior
Crew Cab
4WD

About This Vehicle

Equipment
It features a high end BOSE stereo system. This GMC Sierra is equipped with the latest generation of XM/Sirius Radio. This 2026 GMC Sierra 3500 has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. Never get into a cold vehicle again with the remote start feature on this vehicle. This unit's Lane Departure Warning helps keep you in your lane. This 2026 GMC Sierra 3500 is pure luxury with a heated steering wheel. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. The steering wheel audio controls on this 2026 GMC Sierra 3500 keep the volume and station within easy reach. See what's behind you with the back up camera on the GMC Sierra. An off-road package is installed on the vehicle so you are ready for your four-wheeling best. It has an elegant black exterior finish.

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 Camera Provisions; Electric Rear-Window Defogger; Floor-Mounted Center Console; 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; Premium Front Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Premium Rear Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Windows with Passenger 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; Gloss Black Header and Grille Insert Bars; Rear Wheelhouse Liners. AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Truck Bed Cover by RealTruck Advantage (LPO). Off-Road High Clearance Step. Gooseneck/5th Wheel Prep Package. Onyx Black. Black Front and Rear Molded Splash Guards. LED Smoked Amber Roof Marker Lamps. Trailer Tire Pressure Monitor Sensors. **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.**

Vehicle Specs

Stock:
726-420
VIN:
1GT4UVEY9TF262697
Dealer:
Billion Auto Group
Type:
New
Year:
2026
Make:
GMC
Model:
Sierra
Mileage:
11
Dealer Certified:
No
Certified:
No
Date in Stock:
04/30/2026
Trim:
AT4
Model Number:
TK30743
Body:
Crew Cab
Body Style:
Crew Cab
Transmission:
10-speed automatic
Transmission Description:
10-speed automatic
Doors:
4
Cylinders:
8
Displacement:
6.6
Description:
V8, 6.6L
Drivetrain:
4WD
Fuel Type:
Diesel
Exterior Color:
Onyx Black
Interior Color:
Jet Black w/Kalahari Accents
All pricing and details are believed to be accurate, but we do not warrant or guarantee such accuracy. The prices shown above, may vary from region to region, as will incentives, and are subject to change. Vehicle information is based off standard equipment and may vary from vehicle to vehicle. Call or email for complete vehicle specific information.

Vehicle Information

Generic
  • Adaptive cruise control
  • Aerial view camera
  • AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote
  • Auto high-beam headlights
  • Automatic Emergency Braking predictive brake assist system
  • AutoTrac part and full-time 4WD
  • Black Front and Rear Molded Splash Guards
  • Blind spot warning
  • Bose speakers
  • Built-in virtual assistant
  • Cruise control with steering wheel mounted controls
  • cushion tilt
  • diesel
  • Driver seat power reclining
  • Dual-zone front climate control
  • Duramax 6.6L V-8
  • Duramax 6.6L V-8 diesel direct injection
  • engine with 470HP
  • Following distance alert
  • fore/aft control and height adjustable control
  • Forward collision mitigation with pedestrian impact prevention
  • Front mounted camera with washer
  • Front wireless smart device charging
  • Full gauge cluster screen
  • Gauge cluster display size: 12.30
  • Gooseneck/5th Wheel Prep Package
  • Handsfree wireless device connectivity
  • Heated driver and front passenger seats
  • Heated rear seats
  • Heated steering wheel
  • Hitch Guidance with Hitch View vehicle to trailer hitching assist
  • Immobilizer
  • intercooled turbo
  • Keyfob remote start
  • Keyfob window control
  • Keyless Open/Keyless Start with hands-free access and push button start
  • Lane departure warning
  • Leather front seat upholstery
  • LED Smoked Amber Roof Marker Lamps
  • Left side camera
  • lumbar support
  • Mobile hotspot internet access
  • Off-Road High Clearance Step
  • OnStar Services capable vehicle integrated emergency SOS system
  • Onyx Black
  • Pedestrian impact prevention
  • Pickup box camera
  • 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 Camera Provisions; Electric Rear-Window Defogger; Floor-Mounted Center Console; 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; Premium Front Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Premium Rear Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Windows with Passenger Express Up/down; Bose Premium 7-Sp
  • Primary monitor touchscreen
  • Push-button
  • Rear collision warning
  • Rear mounted camera
  • Right side camera
  • Smart device remote start
  • Smart device wireless mirroring
  • Teen Driver restricted driving mode/alerts
  • Trailer light malfunction warning
  • Trailer light test
  • Trailer theft alarm
  • Trailer Tire Pressure Monitor Sensors
  • Trailer tire pressure sensors
  • Truck Bed Cover by RealTruck Advantage (LPO)
  • Ventilated driver and front passenger seats
  • Weight capacity alert
  • Wireless audio streaming
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Showroom

243 Automotive Ave., Bozeman, MT 59718
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Sales: (833) 441-4611 | Hours
Finance: (833) 441-4611 | Hours
Fleet: (833) 441-4611 | Hours

Service

243 Automotive Ave., Bozeman, MT 59718
Get Directions

Service: (833) 469-1243 | Hours
Parts: (833) 469-1243 | Hours
Body Shop: (406) 582-7700 | Hours
Executive Detail: (406) 585-8888 | Hours
Onsite Auto Glass and Accessories: (406) 556-9075 | Hours

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