
Meet the 2026 GMC Sierra 2500HD AT4, a formidable diesel-powered pickup engineered for serious work and commanding presence. This Sterling Metallic example combines the legendary capability of the 6.6L V8 Diesel Turbocharged engine with AT4 refinement and off-road readiness. With just 10 miles on the odometer, this truck is essentially factory fresh and ready to serve as your trusted workhorse.
Key Features:
- 6.6L V8 Diesel Turbocharged engine with 10-Speed Automatic and 4WD
- AT4 Premium Plus Package with premium interior appointments
- Gooseneck/5th Wheel Prep Package for serious towing capability
- Hitch Package with Trailer Tire Pressure Monitor Sensors
- LPO Black Badging Package for distinctive styling
- 220-Amp Alternator and Engine Block Heater for dependable power
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- BF Goodrich Off-Road T/A KO3 Tires (LT275/65R20) for rugged terrain
- Heated front seats, power driver seat, and remote vehicle starter
- Advanced safety features including Automatic Emergency Braking and HD Surround Vision
This Sierra 2500HD AT4 represents the pinnacle of capability and modern convenience. The combination of diesel efficiency, advanced towing technology, and premium comfort features makes this truck equally at home on the job site or the highway. Schedule your test drive today to experience this exceptional truck firsthand.





