Sierra 3500

Spider

8-Cylinder Turbo

X31 Off-Road Package Take capability and luxury to the next level with this 2025 GMC Sierra 3500 SLT, equipped with the legendary 6.6L Duramax Turbo-Diesel V8 delivering 470 horsepower and an incredible 975 lb-ft of torque. Paired with the Allison 10-speed automatic transmission, this heavy-duty beast is built to handle the toughest jobs with ease, offering a max towing capacity of up to 36,000 lbs when properly equipped. The X31 Off-Road Package adds rugged confidence with twin-tube Rancho shocks, skid plates, and hill descent control, making it perfect for work sites or weekend adventures. Inside, the SLT trim surrounds you with premium comfort: leather-appointed seating, a 13.4-inch touchscreen infotainment system, wireless Apple CarPlay and Android Auto, and advanced trailering technology for ultimate convenience. With bold styling, the MultiPro tailgate, and GMCs ProGrade trailering system, this Sierra 3500 isn't just a truck - it's a professional-grade powerhouse ready for anything. +++++++++++++++++++++++ +++++++++++++++++++++++ 10-Speed Automatic, 4WD, Jet Black w/Perf Leather-Appointed Front Outboard Seat Trim, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Active Transfer Case, 6-Speaker Audio System Feature, Chrome Surround Grille w/Chrome Insert Bars, Deep-Tinted Glass, Electric Rear-Window Defogger, Front Rain-Sensing Wipers, Heated Driver &amp; Front Outboard Passenger Seats, Hill Descent Control, Keyless Open &amp; Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, Off-Road Suspension, Power Front Windows w/Passenger Express Up/Down, Preferred Equipment Group 4SA, Push Button Start, Rear Wheelhouse Liners, Remote Vehicle Starter System, SiriusXM w/360L Trial Subscription, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, Wireless Phone Projection, X31 Off-Road Package. ++++++++++++++++++++++++ ++++++++++++++++++++++ Dwayne Lane's Auto Family!!! We'll Take Care of You!

Used 2025 GMC Sierra 3500 SLT w/ X31 Off-Road Package

Used 2025 GMC Sierra 3500 SLT w/ X31 Off-Road Package Arlington WA 98223

X31 Off-Road Package

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Some vehicles may be subject to manufacturer safety recalls. See if there are any open safety recalls for this vehicle. This does not include non-safety recalls. Recently announced safety recalls may not yet be posted and there may be a delay between the time a repair is made and before it is reported or posted to the website. Before purchasing, be sure to ask the seller for an up-to-date status on any recalls.

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Dwayne Lane's Arlington Chevrolet

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Used 2025 GMC Sierra 3500

w/ X31 Off-Road Package SLT