Certified Pre-Owned 2026 GMCSierra 2500HD AT4 Truck Duramax V8 Turbodiesel

Meet the 2026 GMC Sierra 2500HD AT4, a full-size pickup engineered to handle demanding work and daily driving with capability and refinement.

- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case
- AT4 Premium Plus Package with power sunroof and Technology Package
- Power-Retractable Black Assist Steps with LED lighting
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- Bose Premium 7-Speaker Sound System with SiriusXM 360L Trial Subscription
- Heated and Ventilated Front Seats with 10-Way Power Adjustment and Lumbar Support
- Wireless Phone Projection and Wireless Charging
- Ultrasonic Front and Rear Park Assist with Rear Cross Traffic Alert
- X31 Off-Road Package with Hill Descent Control and Off-Road Suspension
- Spray-on Pickup Bedliner with GMC Logo and LED Cargo Area Lighting
- Multicolor 15" Diagonal Head-Up Display
- Remote Vehicle Starter System with Push Button Start
- 220-Amp Alternator and Engine Block Heater

This Sierra 2500HD arrives finished in White, presenting a clean, professional appearance ready for any task. The AT4 trim combines rugged capability with premium comfort, featuring an interior appointed with perforated leather seats, heated steering wheel, and dual-zone automatic climate control. Advanced technology integration includes a premium infotainment system, wireless charging pad, and multiple USB charging ports strategically placed throughout the cabin for convenience.

The Duramax turbodiesel engine delivers substantial torque for towing and hauling, paired with a robust 10-speed automatic transmission and four-wheel drive. The 2-Speed Active Transfer Case provides flexibility for various terrain and road conditions. Trailering features such as hitch guidance, integrated trailering system app, and trailer side blind zone alert make towing intuitive and safer.

This vehicle is certified pre-owned, backed by a manufacturer inspection that confirms its mechanical integrity and overall condition. Certification provides you with assurance that this Sierra 2500HD meets strict quality standards and is ready for years of reliable service.

Safety technology throughout this pickup includes automatic emergency braking, forward collision alert, lane departure warning, and a comprehensive airbag system. Rear cross traffic alert and ultrasonic park assist add confidence during everyday maneuvers. The electronic stability control, traction control, and brake assist systems work seamlessly to maintain control in varying conditions.

The AT4 package emphasizes outdoor capability with its off-road suspension, hill descent control, and high-clearance step design. A spray-on bedliner protects the cargo bed, while LED lighting throughoutâ€"including cargo area lights and smoked amber roof markersâ€"enhances visibility and nighttime functionality.

We invite you to come see this 2026 GMC Sierra 2500HD AT4 in person and experience the combination of diesel power, premium comfort, and advanced technology it offers.