Just in — this 2021 GMC Sierra 3500HD SLT with 70k miles is built for serious work without giving up comfort. Equipped with the legendary Duramax 6.6L Turbo-Diesel and loaded with premium SLT features, this heavy-duty truck delivers massive towing capability, off-road confidence, and a refined interior — and it includes Warranty Protection for Life for long-term peace of mind.
Under the hood sits the highly sought-after Duramax 6.6L Turbo-Diesel (a $9,890 upgrade when new), paired with heavy-duty trailering technology and the X31 Off-Road & Protection Package — making this Sierra ready for job sites, mountains, and everything in between.
Performance & Capability: • Duramax 6.6L Turbo-Diesel Engine • Auto Locking Rear Differential • 2-Speed Autotrac Transfer Case • 220 Amp Alternator • 120V Power Outlet (Cargo Bed & Instrument Panel) • StabiliTrak w/ Trailer Sway Control & Hill Start Assist • Digital Variable Steering Assist • All-Terrain Tires • Brake Pad Monitoring • Trailer Brake Controller • Trailering Package • ProGrade Trailering System
Interior Comfort & Technology: • GMC Premium Infotainment System w/ 8'' HD Touchscreen • Wireless Apple CarPlay & Android Auto • Bluetooth Audio Streaming • Driver Information Center • Keyless Open & Start • Remote Start • OnStar & 4G LTE Wi-Fi Capability • SiriusXM Capable • Teen Driver Mode • Rear Seat Reminder
Comfort Features: • Dual-Zone Automatic Climate Control • Heated Front Seats • 10-Way Power Front Seats w/ Lumbar • Driver Seat & Mirror Memory • Heated Leather-Wrapped Steering Wheel • Front 40/20/40 Bench Seat w/ Underseat Storage • 60/40 Rear Folding Bench w/ Storage Package
Exterior Highlights: • GMC MultiPro Tailgate • CornerStep Rear Bumper • Side BedSteps • 12 Fixed Cargo Tie Downs • Power Fold/Extend Heated Trailer Mirrors w/ Auto-Dim • LED Reflector Headlamps & Fog Lamps • LED Daytime Running Lamps & Side Marker Lights • LED Cargo Area Lighting • Front Recovery Hooks • Rear Wheelhouse Liners • Chrome Assist Steps
Original MSRP: $57,400 Duramax Diesel Upgrade: $9,890
This Sierra 3500 SLT delivers heavy-duty capability with premium comfort — whether you're towing, hauling, or just want the power and durability of a diesel HD truck.
Sunset Chevrolet — part of the Sunset Auto Family.
Home of Warranty Protection for Life — a no cost to you, limited powertrain warranty honored at any ASE certified repair facility in North America for as long as you own that qualifying vehicle.
Equipment & Features
Preferred Equipment Group 4SA
Suspension Package
6 Speakers
6-Speaker Audio System Feature
AM/FM radio: SiriusXM with 360L
HD Radio
Premium audio system: Premium GMC Infotainment System
$16,995. SALVAGE TITLE, FRONT BUMPER, HEADLIGHT, RIGHT FENDER AND HOOD REPALCED, HAS BEEN TITLED AND ON THE ROAD FOR THE LAST 2 YEARS, RUNS NEW, SERVICED BY TURNESVILLE HONDA
Sunset Mitsubishi / Kia makes no representations, expressed or implied, to any actual or prospective purchaser or owner of this vehicle as to the existence, ownership, accuracy, description or condition of the listed vehicle's equipment, accessories, price or any warranties. Any and all differences must be addressed prior to the sale of this vehicle. Vehicle pricing and availability subject to change without notice. All Pricing expires at midnight 05/07/2026. The price for listed vehicles as equipped does not include charges such as: Government fees and/or state or local taxes, license fee, registration fee, dealer documentary fee, finance charges, emissions testing fees, compliance fees, credit investigation, credit insurance, physical damage of liability insurance or delivery fees. WalkTheLot.com is not responsible for typographical or other possible errors. Please confirm all displayed data with the dealership.
LOCATION
Sunset Mitsubishi / Kia 910 Traffic Ave Sumner, WA. 98390 Google Map
