The 2025 GMC Sierra 2500HD AT4 is a powerful diesel truck built for serious work and premium comfort. With its legendary Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and genuine 4WD capability, this black 4D crew cab delivers the performance you need. The leather interior, combined with the AT4 package's off-road suspension and exclusive styling, creates a truck that commands respect on any terrain.
Duramax 6.6L V8 Turbodiesel Engine with 10-Speed Automatic Transmission
4WD with 2-Speed Active Transfer Case and Off-Road Suspension
X31 Off-Road Package with Hill Descent Control
Premium Bose 7-Speaker Sound System with SiriusXM 360L and Apple CarPlay/Android Auto
Heated and Ventilated Leather Front Seats with 10-Way Power Adjusters
Spray-On Bedliner with GMC Logo and Rear Step Bumper
HD Surround Vision Camera System with Trailer Camera Provisions
Advanced Safety Suite: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert
Wireless Charging and Heated Steering Wheel
20 High Gloss Black Aluminum Wheels
This AT4 represents the pinnacle of heavy-duty truck capability, meticulously maintained and ready for your next adventure. We invite you to schedule a test drive and experience the commanding presence and refined power of this exceptional Sierra 2500HD.
** We do not accept outside financing **
** 2 YEARS COMPLIMENTARY MAINTENANCE INCLUDED WITH EVERY NEW AND USED VEHICLE PURCHASED AT SCHONER CHEVROLET **