2025 GMC Sierra 2500

Take on any job with confidence in the 2025 GMC Sierra 2500HD SLT--now at Sam Boswell Buick GMC! Under the hood you'll find a robust 6.6L V8 (choose between the 401-hp gasoline engine or the 445-hp Duramax Turbo-Diesel with 910 lb-ft of torque) paired to a smooth 10-speed Allison automatic transmission. With best-in-class towing of up to 18,500 lbs when properly equipped, a heavy-duty suspension, and available AutoTrac 4WD, this truck gives you the muscle and capability to haul trailers, equipment, or toys wherever your work (or play) takes you. Slide into the SLTs refined cabin, featuring leather-appointed seating, heated front seats, and an 8-way power drivers seat for all-day comfort. The 13.4-inch diagonal GMC Infotainment System with wireless Apple CarPlay and Android Auto keeps you connected, while MultiPro Tailgate and the available ProGrade Trailering System simplify loading and backing up with smart, integrated camera views. Advanced safety features like Forward Collision Alert, Lane Departure Warning, and HD Surround Vision help keep you in control--no matter the conditions. Swing by Sam Boswell Buick GMC today and experience the perfect blend of rugged power and everyday luxury in the 2025 Sierra 2500HD SLT! Sterling Metallic 2025 GMC Sierra 2500HD SLT 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Dark Walnut/Slate Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge/Data USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 Charge-Only Rear USB Ports, 2-Speed Active Transfer Case, 6-Speaker Audio System Feature, Adaptive Cruise Control, All-Weather Floor Liners (LPO), Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Chrome Surround Grille w/Chrome Insert Bars, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Bucket Seats, Front Rain-Sensing Wipers, Gooseneck/5th Wheel Prep Package, HD Rear Vision Camera Delete, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Hill Descent Control, Keyless Open & Start, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Off-Road Suspension, OnStar Services Capable, Power Front Passenger Windows w/Express Up/Down, Power Sliding Rear Window w/Defogger, Preferred Equipment Group 4SA, Push Button Start, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Sierra HD Pro Safety Plus Package, SiriusXM w/360L Trial Subscription, SLT Convenience Package, SLT Preferred Package, Spray-On Pickup Bedliner w/GMC Logo, Steering Wheel Audio Controls, Suspension Package, Trailer Cam Provisions & Trailer Viewing Software, Trailer Side Blind Zone Alert, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wheels: 20 Bright Face w