2025 GMC Sierra 2500 HD AT4X

2025 GMC Sierra 2500HD AT4X Duramax Diesel, Off-Road Ready, Under 22K Miles If you need a heavy-duty truck that can also handle the trail, this Sierra 2500HD AT4X is the one to see. Finished in Sterling Metallic over Obsidian Rush leather, it shows just 21,461 miles barely broken in for an HD. Under the hood is the 6.6L Duramax Turbo-Diesel V8, rated at 470 hp and 975 lb-ft of torque, paired with the Allison 10-speed automatic good for up to 18,500 lbs of towing. The AT4X package adds real off-road hardware: twin-tube Rancho shocks, skid plates, a rear electronic-locking differential, and Hill Descent Control, plus 11.6 inches of ground clearance. Inside, expect the AT4X's rugged-premium cabin leather, a big touchscreen, and GMC's ProGrade Trailering System with multiple camera views for confident hitching. Whether you're pulling equipment across the Mid-South or just want the toughest truck in the lot, this AT4X delivers diesel muscle with off-road credibility. Used 2025 GMC Sierra 2500HD for sale near Memphis, West Memphis, and the Mid-South. Call 870-739-7337 or come see us at 6601 I-55, Marion, AR 72364.