# 2026 GMC Sierra 3500HD AT4 > Used 2026 GMC Sierra 3500HD AT4 available at Sunset Auto Family in Sumner, WA. ## Vehicle Information - Year: 2026 - Make: GMC - Model: Sierra 3500HD - Trim: AT4 - Condition: Used - Stock Number: 9874 - VIN: 1GT4UVEY2TF205953 - Mileage: 183 miles - Exterior Color: Silver Ice Metallic - Interior Color: Jet Black w/Kalahari Accents - Body Style: Truck - Engine: Duramax 6.6L Biodiesel Turbo V8 470hp 975ft. lbs. - Transmission: Automatic - Drivetrain: 4x4 - Fuel Type: Diesel ## Pricing and Availability - Advertised Price: Call For Availability and Similar Vehicles - Availability: In Stock - Last Updated: 2026-08-12 20:09:16 Pricing and availability are subject to change. ## Features - Backup Camera - Bluetooth - Parking Sensors/assist - Rear Heated Seats - Satellite Radio Ready - Android Auto - Automatic Climate Control - Cross Traffic Alert - Push Start - Side Impact Airbags - Rain Sensing Wipers - Collision Warning - Adaptive Cruise Control - Apple CarPlay - Lane Departure Warning - Leather Seats - Navigation - Power Seats - Tow Package - Heated Seats - Premium Audio - Remote Start - Wi-Fi Hotspot - Fog Lights - Wireless Phone Charging ## Vehicle Description Heavy-duty diesel power with premium off-road capability. This New Arrival One Owner 2026 GMC Sierra 3500HD AT4 has under 300 miles and combines Duramax diesel performance with AT4 off-road upgrades. Includes Warranty Protection for Life and Oil Changes for Life. Performance: • Duramax 6.6L Turbo Diesel • 4x4 w/ Off-Road Suspension • Trailer Brake Controller Technology: • 13.4" Touchscreen w/ Navigation • Wireless Apple CarPlay & Android Auto • Head-Up Display Interior: • Heated & Ventilated Seats • Bose Premium Audio A high-end heavy-duty truck built for work and refinement. Sunset Ford of Sumner, just off of Highway 410 down the hill from Bonney Lake, part of the Sunset Auto Family. The exclusive home of Warranty Protection for Life — a limited Powertrain Warranty that's honored at any ASE-certified repair facility in the U.S. and Canada. Available on all qualifying new and pre-owned vehicles for as long as you own it. ## Dealership Information - Dealership: Sunset Auto Family - Location: Sunset Ford, Sumner, WA - Phone: (253) 891-6666 - [Location Details](https://www.sunsetautofamily.com/locations/sunset-ford): Address, phone, hours, and directions. ## Official Vehicle Listing https://www.sunsetautofamily.com/for-sale/2026-gmc-sierra-3500hd-at4-crew-cab_105742 The official vehicle listing is the authoritative source for current pricing and availability. ## Disclaimer While every effort has been made to ensure display of accurate data, the vehicle listings within this web site may not reflect all accurate vehicle items. All Inventory listed is subject to prior sale. The vehicle photo displayed may be an example only. Please see the dealer for details. Vehicles may be in transit or currently in production. Some vehicles shown with optional equipment. See the actual vehicle for complete accuracy of features, options & pricing. Because of the numerous possible combinations of vehicle models, styles, colors and options, the vehicle pictures on this site may not match your vehicle exactly; however, it will match as closely as possible. Some vehicle images shown are stock photos and may not reflect your exact choice of vehicle, color, trim and specification. Not responsible for pricing or typographical errors. Virtual Inventory, Available Configurations and In-Transit inventory contains vehicles that have not actually been manufactured. These vehicles show consumers sample vehicles that may be available. Pricing, Options, Color and other data pertaining to these vehicles are provided for example only. All information pertaining to these vehicles should be independently verified through the dealer. “MSRP” is an acronym for Manufacturer’s Suggested Retail Price. This is required for all manufacturers to provide. MSRP is not an offer to sell at that price. It is the “Manufacturer’s Suggested Retail Price” before extras. “MSRP” will be exactly the same for any new vehicle with the exact same make, model, model year, equipment, and options at every franchise dealership in the United States. No dealer has a competitive advantage over another with MSRP. ‘Dealership price’ or ‘sale price’, when shown, reflects the sale price of the vehicle, including all applicable discounts unless expressly shown differently. Accessories & dealer-installed modifications are included in the “Dealership Price”. ‘Dealership price’ or ‘sale price’ does not include tax, title, government fees, a negotiable $200 document processing fee, license, vehicle registration or any financing fees. Contact us for details on any applicable fees or taxes that may apply to your specific situation. Sunset will always provide you with a clear and transparent summary of the final sale price and all applicable fees and taxes. All vehicles are “one only” and are identified by VIN and/or stock number. Some manufacturer discounts, rebates, incentives, and special financing cannot be combined or stacked. Not all customers qualify for all available manufacturer discounts, rebates, incentives, and special financing. Contact the dealership to verify which manufacturer discounts, rebates, incentives, and special financing you qualify for. Sunset will work to ensure that you will receive all applicable manufacturer incentives. All prices, specifications, and availability subject to change without notice. Contact dealer for most current information. While we make every reasonable effort to ensure the accuracy of the information displayed on this website, some prices may not include dealer installed added options, some features and options listed may not apply to this Sunset Vehicle. Please verify any information in question with a dealership sales representative prior to any negotiations. Customers should verify the existence and condition of any equipment listed. EPA Estimates Only. Your actual MPG may vary based on your driving characteristics. All offers expire on close of business the day subject content is removed from website, and all financing is subject to credit approval. All transactions are negotiable including price, trade allowance, interest rate (of which the dealer may retain a portion), term, and documentary service fee. Any agreement is subject to execution of contract documents. Warranty Protection for Life™ is included on all qualifying new and pre-owned vehicles. Some restrictions may apply. Contact the dealership for details on your vehicle of interest. This warranty is honored at any ASE certified repair facility in The United States and Canada. Note: There is now a modest $200 deducible per claim. Manufacturer maintenance requirements and records are mandatory. Contact dealer for complete details. There are some vehicles that are not eligible for this coverage. A complete list of ineligible vehicles is available upon request. Warranty Protection for Life is not included on vehicles purchased by a business entity or used for Commercial & Fleet purposes. Owners are responsible for maintaining their vehicle according to the original manufacturer’s recommendations. Failure to do so or keep records may void your warranty. Aftermarket vehicle modifications may void your warranty. Contact dealer or review your warranty agreement for details on maintaining this coverage. Sunset’s Oil Changes for Life is included on all qualifying new and pre-owned vehicles. Some restrictions may apply. Contact the dealership for details on your vehicle of interest. See dealer for complete details. There are some vehicles that are not eligible for this coverage. A complete list of ineligible vehicles is available upon request. Verify prior to purchase if a vehicle comes with either Warranty Protection for Life or Oil Changes for Life. Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user "as is" without warranty of any kind, either express or implied. All vehicles are subject to prior sale. Price does not include applicable tax, title, and license charges. ‡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 date from the time of your request, not to exceed one week. If you have any questions about or would like clarification on any information found on this website, please contact us. The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.