243 Automotive Ave. Bozeman, MT 59718

Showroom (406) 556-9075

Service Center (406) 556-9075

2026 GMC Sierra AT4

Coastal Dune Stock # 726-185, 1GTUUEE86TZ227405, 6 Cyl, 3.0L engine, 10-speed automatic, 26, Coastal Dune exterior
Final Price
$72,205
Finance From
$ 1558 /mo*
Customize payment
Listing Price: $74,455
Discount: $2,250
Our Price: $72,205
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Billion Auto Group
243 Automotive Ave.
Bozeman, MT 59718
Hours
Sales: 8:30 AM - 6:00 PM
Finance: 8:30 AM - 6:00 PM
Service: 7:30 AM - 5:30 PM
Parts: 7:30 AM - 5:30 PM
Body Shop: 8:00 AM - 5:30 PM
Executive Detail: 8:00 AM - 5:00 PM
Onsite Auto Glass and Accessories: 8:00 AM - 5:00 PM
Fleet: 8:30 AM - 6:00 PM
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Our team of experts is here to answer your questions!
At a Glance
           
726-185
1GTUUEE86TZ227405
2026
Coastal Dune
Jet Black w/Kalahari Accents
6 Cyl, 3.0L
10-speed automatic
22/26 City/Hwy MPG
4WD
Specs
  • Condition: New
  • Model: Sierra
  • Trim: AT4
  • Body style: Crew Cab
  • Exterior: Coastal Dune
  • Interior: Jet Black w/Kalahari Accents
  • Doors: 4
  • Stock: 726-185
  • Model number: TK10743
  • VIN #: 1GTUUEE86TZ227405
  • Engine: 6 Cyl, 3.0L
  • Transmission: 10-speed automatic
  • Fuel: Diesel
  • Drivetrain: 4WD
22 City
MPG
26 Hwy
Actual mileage will vary with options, driving conditions, driving habits, and vehicle condition
Equipment
Lane Keep Assist in it helps maintain safe driving by gently steering to stay within the lane. This 2026 GMC Sierra 1500 is pure luxury with a heated steering wheel. Apple CarPlay: Seamless smartphone integration for this 1/2 ton pickup - stay connected and entertained on the go! This model features a hands-free Bluetooth phone system. This unit has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. An off-road package is equipped on this vehicle. You'll never again be lost in a crowded city or a country region with the navigation system on this GMC Sierra. This model's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. This model features a high end BOSE stereo system. Start this 2026 GMC Sierra 1500 from inside with remote start. The steering wheel audio controls on the GMC Sierra keep the volume and station within easy reach.

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. Coastal Dune. Front and Rear Black Molded Splash Guards. Cargo Tie-Downs (4). Trailer Tire Pressure Monitor System. **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.**
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