Key Features
Body Type Pickup
Mileage 1 mi
Fuel Type
Engine Description
Drivetrain 4WD
Cab Type Crew Cab
Trim AT4
Vehicle Details
Stock Number
26416
Stock Type
New
Year
2026
Make
Model
Model Code
TK10543
Cab Type
Crew
Vehicle Trim
AT4
Body Type
VIN
3GTUUEE8XTG246345
Brake Type
Hydraulic
Dimensions
Class
2
Drivetrain
4WD
Transmission
Transmission Type
Automatic
Engine Description
3.0L Duramax<sup>®</sup> Turbo Diesel engine
Engine Cylinder Count
6
Engine Model
LZ0
Engine Size (L)
3.0
Horsepower
305
Fuel Type
Diesel
Seat Dimensions
Seating Capacity
5
Exterior Color
Gray
Interior Color
Jet Black with Kalahari accents, Perforated leather front seat trim
Sheehan Buick GMC, Inc. ci2 Test Site
location_on Lighthouse Point, FL
schedule
Listing Notes
Experience the ultimate combination of power, luxury, and technology in the new 2026 GMC Sierra 1500 AT4 Crew Cab 4WD, finished in sleek Gray. Equipped with the robust Duramax 3.0L Turbo-Diesel I6 engine delivering 305hp and 495 lb-ft of torque, paired with a 10-speed automatic transmission and advanced AutoTrac 4WD for exceptional off-road and towing capability. The AT4 Premium Package brings heated and ventilated leather front bucket seats, heated rear outboard seats, a heated steering wheel, wireless charging, and a premium Bose sound system. Stay connected with a 13.4-inch touchscreen, wireless Apple CarPlay/Android Auto, built-in Google Assistant, and integrated navigation. Enjoy confidence on the road with GMC Pro Safety including forward collision alert, lane keep assist, automatic emergency braking, surround vision cameras, and rear cross traffic braking. Features like the MultiPro Tailgate, spray-on bedliner, 20" machined aluminum wheels, power sunroof, and adaptive cruise control add utility and comfort. With only 1 mile on the odometer, this Sierra AT4 is ready for your next adventure.
Price includes: $1750 - Buick & GMC Consumer Cash Program 26-40ACB-004 (Exp. 03/31/2026), $500 - Buick GMC Bonus Cash 26-40AG-004 (Exp. 03/31/2026)
Price includes: $1750 - Buick & GMC Consumer Cash Program 26-40ACB-004 (Exp. 03/31/2026), $500 - Buick GMC Bonus Cash 26-40AG-004 (Exp. 03/31/2026)
%
/month
Excludes tax, tag and other fees. This estimate is for general information purposes only.























