*Picture may not represent actual vehicle. Price varies based on Trim Levels and Options. See Dealer for in-stock inventory and actual selling price. All prices plus tax, title & license with approved credit. TSRP includes delivery, processing, and handling fees. Dealer doc fee of $225 included in the price. Prices may be different outside of each advertised period and do not necessarily reflect cash price at any other time. Inventory is subject to prior sale. We are not responsible for typographical, technical, or misprint errors. Please contact us directly via phone or email to verify all information. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at (409) 895-3700 or by visiting us at the dealership.
The 2025 GMC Sierra 1500 AT4 delivers commanding capability wrapped in striking white exterior design, ready to handle whatever demands you place on it.
- EcoTec3 6.2L V8 with 420 hp and 460 lb-ft of torque
- Dual active sport-mode exhaust system
- 4WD with off-road suspension and hill descent control
- Auto-locking rear differential for enhanced traction
- Premium Bose 7-speaker sound system with SiriusXM 360L
- Wireless Apple CarPlay and Android Auto integration
- Navigation system with HD surround vision
- Heated and ventilated front leather seats with power adjustment
- Heated rear seats for passenger comfort
- 10-way power driver seat with lumbar support
- Automatic emergency braking with lane keep assist
- Ultrasonic front and rear park assist
- Spray-on bedliner with GMC logo
This truck combines power and sophistication with its potent V8 engine and responsive 10-speed automatic transmission. The dual active exhaust delivers distinctive performance character while dynamic fuel management optimizes efficiency. Whether you're navigating city streets or venturing off the beaten path, the Sierra 1500 AT4 adapts to your needs with precision.
Built for those who demand both capability and refinement, the AT4 trim stands apart with features engineered for serious work and serious comfort. The off-road suspension pairs with hill descent control to inspire confidence on challenging terrain, while the auto-locking rear differential maximizes grip when you need it most. The integrated trailer brake controller and comprehensive trailering system make hauling straightforward and secure.
Inside, premium leather seating surfaces extend across heated and ventilated front seats and heated rear outboard seats, ensuring comfort in any season. The navigation system works seamlessly with wireless smartphone integration, keeping you connected while the premium audio system elevates every drive. Practical conveniences like the wireless charging pad, multiple USB ports, and power outlets throughout the cabin add daily utility.
Safety technology works proactively to protect you and your passengers. Automatic emergency braking, lane keep assist, trailer side blind zone alert, and rear cross traffic braking all contribute to confident operation. The HD surround vision gives you complete awareness around the truck, while the safety alert seat provides additional assurance.
This 2025 Sierra 1500 AT4 represents a serious investment in capability, comfort, and technology. We invite you to visit our showroom and experience firsthand why discerning truck buyers choose the Sierra 1500 AT4 for their toughest challenges and longest journeys.