This 2026 GMC Sierra 2500HD AT4 delivers commanding presence with its black exterior and purposeful design. Powered by a 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD capability, this truck is engineered for heavy-duty performance and capability. The AT4 trim brings premium features and premium capability to your workday or weekend adventures.

- 6.6L V8 Diesel Turbocharged Engine
- Premium GMC Infotainment System with Apple CarPlay/Android Auto
- Bose Premium 7-Speaker Sound System with SiriusXM
- Heated and Ventilated Leather-Appointed Front Seats
- Multicolor 15" Head-Up Display
- Bed View Camera with Trailer Viewing Software
- Off-Road Suspension with Hill Descent Control
- Wireless Phone Projection and Charging
- Power Sunroof
- Ultrasonic Front and Rear Park Assist

This truck comes equipped with advanced safety technology including automatic emergency braking, lane departure warning, forward collision alert, and rear cross traffic alert. The HD surround vision system provides multiple camera angles to keep you aware of your surroundings. Interior appointments feature premium materials, 10-way power seats with lumbar support, and dual-zone automatic climate control. A spray-on bedliner with GMC logo, power-retractable assist steps, and an engine block heater round out the practical touches that make this Sierra ready for serious work or weekend expeditions.

Experience the confidence that comes with genuine truck capability. Visit us today to see this remarkable Sierra 2500HD AT4 in person and discover why serious truck buyers choose GMC. As a dealer for the people, we believe everyone deserves a nicer, newer car! Call our team at 765-737-2325. Customer Must Qualify for GM Employee Pricing$1000 - Buick & GMC Consumer Cash Program. Exp. 09/30/2026