Used 2025 Gmc Sierra 3500 HD SLT

Power, Precision, and Off-Road Confidence. This 2025 GMC Sierra 3500 SLT is built to handle the toughest jobs with style and strength. Under the hood, the legendary Duramax diesel engine delivers uncompromising torque and towing capability, paired with the proven Allison transmission for smooth, confident performance in any condition. Outfitted with the X31 Off-Road Package, this truck is ready to leave the pavement behind. With off-road suspension tuning, skid plates, hill descent control, and a heavy-duty air filter, it's designed to take on rough terrain without hesitation - whether you're on the ranch, the job site, or deep in the backcountry. The SLT trim brings a refined touch to this workhorse, with premium materials, advanced tech, and a quiet, comfortable cabin that makes long hauls and tough days easier. From hauling heavy loads to weekend adventures, this Sierra 3500 is built to do it all and look good doing it. If you're looking for a truck that works as hard as you do and never backs down, this GMC Sierra 3500 SLT with the X31 package is ready to roll.

• X31 Off-Road Package
• Off-road suspension tuning
• Skid plates
• Hill descent control
• Heavy-duty air filter
• Premium materials
• Advanced tech
• Quiet, comfortable cabin
• Heated driver & front outboard passenger seats
• Keyless open & start
• LED cargo area lighting
• Manual tilt-wheel/telescoping steering column
• Power front windows w/passenger express up/down
• Push button start
• Remote vehicle starter system
• SiriusXM w/360L trial subscription
• Steering wheel audio controls
• Wireless phone projection

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