2026 GMC Sierra AT4
Coastal Dune
Stock # 726-188, 1GTUUEEL3TZ199678, V8, 6.2L engine, 10-speed automatic, 19, Coastal Dune exterior
2026 GMC Sierra AT4
Final Price
$72,605
Finance From
$
1329
/mo*
Customize payment
At a Glance
726-188
1GTUUEEL3TZ199678
2026
Coastal Dune
Jet Black w/Kalahari Accents
V8, 6.2L
10-speed automatic
15/19 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: 726-188
- Model number: TK10743
- VIN #: 1GTUUEEL3TZ199678
- Engine: V8, 6.2L
- Transmission: 10-speed automatic
- Fuel: Gasoline
- Drivetrain: 4WD
15 City
19 Hwy
Actual mileage will vary with options, driving conditions, driving habits, and vehicle condition





The leather seats in this model are a must for buyers looking for comfort, durability, and style. This 1/2 ton pickup's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Protect the vehicle from unwanted accidents with a cutting edge backup camera system. The vehicle is pure luxury with a heated steering wheel. Engulf yourself with the crystal clear sound of a BOSE sound system in this GMC Sierra. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. An off-road package is equipped on this 1/2 ton pickup. This GMC Sierra 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 unit. This 2026 GMC Sierra 1500 is equipped with the latest generation of XM/Sirius Radio.
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. Coastal Dune. Dual Active Exhaust. **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.**