*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.
Meet the 2025 GMC Sierra 2500HD AT4 in Sterling, a pickup that combines capability with refined luxury for those who demand both performance and comfort from their work truck.
- Power-Retractable Black Assist Steps with LED lighting
- 6.6L V8 Duramax Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 220-Amp Alternator and Engine Block Heater
- Heavy-Duty Front Spring/Camper Package
- AT4 Premium Plus Package with Power Sunroof
- Technology Package with Apple CarPlay and Android Auto
- Bose Premium 7-Speaker Sound System with SiriusXM 360L
- 20" High Gloss Black Aluminum Wheels with LT275/65R20 BF Goodrich Off-Road T/A KO3 tires
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- 10-Way Power Driver Seat with Lumbar Support and Memory
- Heated and Ventilated Front Seats
- Lane Departure Warning and Automatic Emergency Braking
- 2-Speed Active Transfer Case with Hill Descent Control
- Off-Road High Clearance Step
- Spray-On Pickup Bedliner with GMC Logo
The Duramax turbodiesel engine delivers substantial power and torque, engineered for hauling and towing with confidence. The 10-speed automatic transmission works seamlessly with the 4-wheel drive system, providing smooth shifts and responsive performance whether you're on the job site or navigating challenging terrain. The four-wheel independent suspension and off-road-tuned chassis offer capable handling across varied conditions.
Inside, the AT4 Premium Plus Package elevates the cabin experience. Perforated leather seats are heated and ventilated for year-round comfort, while the power sunroof brings in natural light and fresh air. The 15-inch head-up display projects essential driving information directly into your line of sight, and the Bose sound system delivers quality audio for your daily commute or remote jobsite.
Safety and technology work together to protect you and your cargo. Automatic emergency braking, lane departure warning, and rear cross-traffic alert keep you aware of potential hazards. The HD Surround Vision system provides a comprehensive view around your truck, while the hitch guidance system simplifies trailering. Wireless phone projection and charging keep your devices connected and powered throughout the day.
The AT4 trim brings distinctive styling with its gloss black grille, led marker lamps, and standard all-terrain presence. The power-retractable assist steps with integrated LED lighting make entry easier while adding functional design. Heated door mirrors and rain-sensing wipers handle winter conditions, while the spray-on bedliner protects your cargo area from the rigors of work.
This Sierra 2500HD AT4 is built to work hard and ride with distinction. The combination of diesel power, advanced safety systems, and premium comfort makes it an intelligent choice for those who need a truck that performs as seriously as you do. Visit our showroom to experience the capability and refinement this truck delivers.
