2026 GMC Sierra AT4X
Coastal Dune
Stock # 726-285, 3GTUUFEL0TG234912, V8, 6.2L engine, 10-speed automatic, 16, Coastal Dune exterior
At a Glance
726-285
3GTUUFEL0TG234912
2026
Coastal Dune
Obsidian Rush
V8, 6.2L
10-speed automatic
14/16 City/Hwy MPG
4WD
Specs
- Condition: New
- Model: Sierra
- Trim: AT4X
- Body style: Crew Cab
- Exterior: Coastal Dune
- Interior: Obsidian Rush
- Doors: 4
- Stock: 726-285
- Model number: TK10543
- VIN #: 3GTUUFEL0TG234912
- Engine: V8, 6.2L
- Transmission: 10-speed automatic
- Fuel: Gasoline
- Drivetrain: 4WD
14 City
16 Hwy
Actual mileage will vary with options, driving conditions, driving habits, and vehicle condition





The vehicle features a hands-free Bluetooth phone system. You'll never again be lost in a crowded city or a country region with the navigation system on it. Start this unit from inside with remote start. An off-road package is installed on this 1/2 ton pickup so you are ready for your four-wheeling best. This vehicle has auto-adjust speed for safe following. This unit features steering wheel audio controls. See what's behind you with the back up camera on the vehicle. It's Lane Departure Warning helps keep you in your lane. This 1/2 ton pickup stays safely in its lane with Lane Keep Assist. This 1/2 ton pickup comes equipped with Android Auto for seamless smartphone integration on the road. This GMC Sierra is equipped with the latest generation of XM/Sirius Radio. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. This 1/2 ton pickup offers Apple CarPlay for seamless connectivity.
Packages
Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; Power Sliding Rear Window with Rear Defogger; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Gloss Black Header with Dark Nickel 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; Driver-Selectable Full-Locking Front Differential; Heated 2nd Row Outboard Seats; Off-Road Suspension; Power Front Passenger Windows with Express Up/down; Driver-Selectable Full-Locking Rear Differential; 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; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series with 12- Speaker System; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; Floor-Mounted Center Console; MultiPro Tailgate Audio System by Kicker; Bed View Camera; Rear Cross Traffic Braking; Trailer Tire Pressure Monitor System; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; Universal Home Remote; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; 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; Power Door Locks. Rocker Protection. Off-Road Removable Assist Steps. Soft Folding Truck Bed Cover (LPO). Coastal Dune. Dual Active Exhaust. Rear Underseat Storage. GMC MultiPro Tailgate Step Lights. Cargo Tie-Downs (4). **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.**