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This 2026 GMC Sierra 1500 AT4X in Black represents a commanding presence on the road, combining capability with refined comfort for the discerning truck buyer.
- EcoTec3 6.2L V8 engine with 420 hp and 460 lb-ft of torque
- Dynamic Fuel Management with dual active sport-mode exhaust
- 10-speed automatic transmission with 4WD
- Off-road high clearance steps with heavy-duty suspension
- Driver-selectable full-locking differentials (front and rear)
- Premium Bose audio system with 12 speakers and SiriusXM 360L
- Multicolor 15" diagonal head-up display with navigation
- HD surround vision with bed view and trailer cameras
- Wireless Apple CarPlay and Android Auto integration
- Full grain leather heated and ventilated front seats with 16-way power adjustment
- Power moonroof and power sliding rear window with defogger
- Integrated trailer brake controller with tire pressure monitoring
- Automatic emergency braking with lane keep assist and rear cross traffic braking
- Ultrasonic front and rear park assist with hitch guidance
This truck arrived with just under 5,000 miles and has been meticulously maintained throughout its life at Bergeys. The vehicle is a one-owner, locally owned example backed by a clean Carfax report, fresh oil change, and professional detailing. Having received its new Pennsylvania inspection, this Sierra 1500 AT4X stands ready for serious work or weekend adventures.
The AT4X trim elevates the Sierra experience with purposeful off-road engineering, including an available off-road suspension package designed to handle challenging terrain. The 6.2L V8 delivers substantial power with impressive torque, while the 10-speed automatic ensures smooth power delivery across all driving conditions. With 14 city and 16 highway MPG, this engine balances performance with practical fuel economy for a truck of this capability.
Inside, the cabin reflects thoughtful design with genuine wood appointments on the dashboard and door panels, creating an upscale atmosphere. The heated and ventilated leather seats adjust 16 ways for both driver and passenger, while the heated steering wheel and dual-zone automatic climate control ensure comfort in any season. The 15-inch head-up display keeps essential information within your line of sight, and the premium Bose audio system delivers quality sound for every drive.
Technology integration defines modern truck ownership, and this Sierra delivers comprehensively. Wireless Apple CarPlay and Android Auto connectivity pairs seamlessly with the navigation system, while the 360-degree camera systemâ"including bed view and trailer camerasâ"provides exceptional visibility. OnStar services and Wi-Fi hotspot capability keep you connected, and the in-vehicle trailering system app simplifies towing logistics with integrated trailer brake control and tire pressure monitoring.
Safety features throughout include automatic emergency braking, lane keep assist with departure warning, rear cross traffic braking, and pedestrian detection systems. The ultrasonic parking assistance and hitch guidance take the stress out of maneuvering this capable truck in tight spaces.
This 2026 GMC Sierra 1500 AT4X offers the commanding presence, proven reliability, and comprehensive feature set that serious truck buyers demand. With careful ownership history, exceptional maintenance, and immaculate condition, it represents a confident choice for those seeking capability without compromise.