Certified 2025 GMC Sierra 3500HD SLT in Monroe, WA
- Was
- $71,710
- Dwayne Lane's Discount
- - $5,915
-
Document FeeA negotiable documentary service fee of up to $200 may be added to the sale price or capitalized cost.
- +$200
- Today's Price
- $65,995

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.
Call us today 360-794-1155 speedwaychevrolet.com
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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 & Front Outboard Passenger Seats, Hill Descent Control, Keyless Open & 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, 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.
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Clean CARFAX.
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Negotiable $200 documentary fee added to purchase price or capitalized cost.
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DRIVE WITH CONFIDENCE – The LJ WAY! Most used vehicles include a 6 Month / 6000 Mile Warranty, plus we offer a 7-Day Exchange! Learn more: https://www.speedwaychevrolet.com/drive-with-confidence.(more)
Vehicle Details
Dealership Information
Disclaimer
*All vehicles are one of each. Both Pre-Owned and Certified vehicles are considered used. The sale price of this vehicle may include or exclude implied warranties based on the vehicle's Buyers Guide status: "AS IS-NO DEALER WARRANTY" results in a negotiated waiver of implied warranties, whereas "IMPLIED WARRANTIES ONLY" means the offering price incorporates implied warranties of merchantability. The specific form of Buyers Guide applicable can be confirmed with the Dealer. Additionally, a negotiable documentary service fee of up to $200 may be added to the sale or capitalized cost. Please be aware that all prices, specifications, and availability are subject to change without notice and that any agreement is contingent upon the execution of contract documents. All transactions, including price, trade allowance, interest rate (of which the dealer may retain a portion), term, and documentary service fee, are negotiable. Vehicles shown at different locations are not currently in our inventory (Not in Stock) but can be made available to you at our location within a reasonable timeframe from your request, subject to prior sale. It's essential to verify any information in question with a dealership sales representative. Although every effort is made to ensure the accuracy of vehicle descriptions displayed on this page, the dealer makes no warranties, express or implied, regarding the vehicle or vehicle description. Pricing and availability are also subject to availability and no sale is binding until finalized in a written purchase order with the dealer. Prices exclude tax, title, license, and shipping. MSRP is the Manufacturer’s Suggested Retail Price and not our sale price; The Net MSRP after rebates is for comparison purposes only and not an advertised price. MPG figures are based on EPA estimates for newly manufactured vehicles; actual rating will vary with driving conditions, habits, and vehicle condition. The pricing shown is non-binding and does not constitute an offer.
All sale prices expire at 11:59pm on 06/10/26

