
This 2026 GMC Sierra 1500 AT4X In-Transit delivers the capability and refinement you expect from a premium full-size pickup truck ready to handle whatever comes your way.
- EcoTec3 6.2L V8 with 420 hp and 460 lb-ft of torque
- Dynamic Fuel Management and dual active exhaust
- 4WD with driver-selectable full-locking front and rear differentials
- Off-road suspension with hill descent control
- Black Badging Package with black GMC emblems and Sierra nameplates
- Trailering Package with hitch guidance and integrated trailer brake controller
- Premium GMC Infotainment system with wireless Apple CarPlay and Android Auto
- Bose Premium Series 12-speaker audio system with MultiPro Tailgate Audio by Kicker
- Navigation system with 15-inch diagonal head-up display
- Three-year SiriusXM subscription included
- Power moonroof and power sliding rear window
- 16-way power driver and passenger seats with lumbar support and heating/ventilation
- Full grain leather seat trim with heated rear seats
- HD surround vision with bed view camera and trailer camera provisions
This truck's 6.2L V8 engine combines raw power with efficiency through Dynamic Fuel Management, producing 420 horsepower and 460 pound-feet of torque. The dual active exhaust system provides commanding acoustics and performance capability. With four-wheel drive and the ability to lock both front and rear differentials, you'll have the control needed for serious off-road conditions or challenging terrain.
The AT4X trim emphasizes capability with features like off-road suspension tuned specifically for this model, hill descent control for technical descents, and an off-road high clearance step. The interior reflects a commitment to comfort and technology, featuring full grain leather trim, heated and ventilated front seats, and a heated steering wheel for year-round driving comfort.
Inside, you'll find a modern technology suite designed for connectivity and convenience. The premium infotainment system supports both wireless Apple CarPlay and Android Auto, keeping you connected seamlessly. The 15-inch head-up display projects essential information directly in your line of sight, while the navigation system integrates seamlessly with premium audio from Bose.
The trailering package rounds out this truck's versatility with hitch guidance, an integrated trailer brake controller, and a trailer tire pressure monitor system. These features work together to make towing safer and more manageable, regardless of your cargo needs. The spray-on bed liner with GMC logo protects your truck bed while complementing the truck's premium appearance.
With black 18-inch painted aluminum wheels, black badging throughout, and a commanding presence on the road, this Sierra 1500 AT4X In-Transit announces its capability before you even turn the key. Visit our showroom to experience this truck's blend of power, technology, and refined truck craftsmanship firsthand. Not all customers may qualify for all rebates listed, see dealer for details. Price includes: $1500 - Buick GMC Bonus Cash. Exp. 08/03/2026 $1750 - Buick & GMC Consumer Cash Program. Exp. 08/03/2026
