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226 listings
    • 57,439 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Hilton Head Buick GMC (342 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Bluffton, SC / 342 miles away from Port Saint Lucie, FL

    2020 Sierra 3500HD Denali ONE OWNER, Sierra 3500HD Denali, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Onyx Black, Jet Black Le...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY6LF236548
    Stock: LF236548
    Certified Pre-Owned: No
    Listed since: 05-19-2025

    • 241,309 miles
    • 2 accidents, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Taylor Trading (212 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Orange Park, FL / 212 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42YEY0JF219998
    Stock: 219998
    Certified Pre-Owned: No
    Listed since: 04-17-2025

  • $52,985
    fair price
    $659 below market
    • 79,708 miles
    • 1 accident, 3 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Sandy Sansing Chevrolet (467 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pensacola, FL / 467 miles away from Port Saint Lucie, FL

    Denali SIRIUS XM SATELLITE RADIO, REVERSE BACKUP CAMERA, BACK UP SENSORS, BUILT-IN WIFI HOTSPOT, NAVIGATION, DVD ENTERTAINMENT SYSTEM, REMOTE KEYLESS ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42WEYXKF108235
    Stock: F13333
    Certified Pre-Owned: No
    Listed since: 01-31-2025

  • New Listing
    • 164,525 miles
    • Frame damage reported, 2 owners, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Xtreme Motors (92 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Hollywood, FL / 92 miles away from Port Saint Lucie, FL

    The front windshield is in excellent condition. The paint is in great shape and condition. Some dings are visible on this vehicle. The tires are sligh...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: Yes

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42WEY7KF249005
    Stock: 249005
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra HD Denali
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • 76,519 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Rivard Buick GMC (126 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Tampa, FL / 126 miles away from Port Saint Lucie, FL

    CARFAX One-Owner. White Frost Tricoat 2021 GMC Sierra 3500HD Denali Duramax 6.6L V8 Turbodiesel 4WD 10-Speed Automatic Leather Seats, Backup/Rearview ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY3MF183339
    Stock: LB0008
    Certified Pre-Owned: No
    Listed since: 05-01-2025

    • 99,583 miles
    • No accidents, 3 owners, corporate fleet vehicle
    • 6'7” bed, 6.6l, 8cyl
    • The Connection Motors (101 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Hialeah, FL / 101 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42WEY6KF270315
    Stock: 11000
    Certified Pre-Owned: No
    Listed since: 09-21-2024

    • 73,492 miles
    • No accidents, 1 owner, personal use only
    • Driver's Mart (105 mi away)
    • Sunroof/Moonroof
    • Upgraded Engine
    • Heads up display
    Close

    Located in Winter Park, FL / 105 miles away from Port Saint Lucie, FL

    This 2021 GMC Sierra 3500HD Denali, has a Pacific Blue Metallic exterior and an Jet Black interior color. 73492 miles. Stock Number MF125706. ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY0MF125706
    Stock: MF125706
    Certified Pre-Owned: No
    Listed since: 04-09-2025

  • Price Drop
    • 98,522 miles
    • No accidents, 1 owner, personal use only
    • Bob Mills Chevrolet (482 mi away)
    • Sunroof/Moonroof
    • Upgraded Engine
    • Towing Hitch
    Close

    Located in Darlington, SC / 482 miles away from Port Saint Lucie, FL

    White Frost Tricoat 2021 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Leather, 10-Wa...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY1MF320066
    Stock: CU1601
    Certified Pre-Owned: No
    Listed since: 01-08-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra HD Denali
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • 66,572 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • Driveway (In-stock online)
    • Home delivery*
    Close

    Located in Bend, OR / 2,534 miles away from Port Saint Lucie, FL

    CarFax No Accidents Reported,CarFax 1-Owner

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42VCY9KF164499
    Stock: KF164499J
    Certified Pre-Owned: No

  • Price Drop
    • 50,850 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Toyota of Fort Walton Beach (434 mi away)
    • AWD/4WD
    • Back-up camera
    • Upgraded Headlights
    • Tire Pressure Warnin...
    • USB Inputs
    Close

    Located in Fort Walton Beach, FL / 434 miles away from Port Saint Lucie, FL

    Allison 1000 6-Speed Automatic, 4WD, Dark Ash Seats With Jet Black Interior Accents Vinyl. Odometer is 50121 miles below market average!Gooseneck/5th ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42TCY0KF210886
    Stock: KF210886
    Certified Pre-Owned: No
    Listed since: 05-16-2025

    • 85,167 miles
    • 2 accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Gerald Jones GMC (439 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Graniteville, SC / 439 miles away from Port Saint Lucie, FL

    Command the road and everything beyond it with this powerful and luxurious 2019 GMC Sierra 3500HD Denali, finished in a bold Onyx Black and buil...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42WEYXKF162831
    Stock: 620711A
    Certified Pre-Owned: No
    Listed since: 04-19-2025

    • 177,769 miles
    • 1 accident, 2 owners, personal use
    • Motor Max (473 mi away)
    • 4WD
    • Premium Leather Seat...
    • Sunroof
    • Back-up camera
    • Seamless access
    Close

    Located in Griffin, GA / 473 miles away from Port Saint Lucie, FL

    Introducing the 2019 GMC Sierra 3500 Denali HD, a powerful and luxurious heavy-duty truck designed to tackle the toughest tasks while delivering a pre...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42WEY3KF106097
    Stock: 11283
    Certified Pre-Owned: No
    Listed since: 02-11-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra HD Denali
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $68,490
    good price
    $3,986 below market
    • 28,766 miles
    • 2 accidents, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Lexus of Wesley Chapel (134 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Wesley Chapel, FL / 134 miles away from Port Saint Lucie, FL

    Ebony Twilight Metallic 2022 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel **PLATINUM DETAIL**, **ACCESS TO OUR CAR WASH...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEYXNF326384
    Stock: T326384
    Certified Pre-Owned: No
    Listed since: 04-30-2025

  • New Listing
    Stock photo**
    $49,968
    good price
    $5,022 below market
    • 97,000 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Woody Folsom Chrysler Dodge Jeep Ram (330 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Baxley, GA / 330 miles away from Port Saint Lucie, FL

    SHOP FROM HOME PURCHASE YOUR VEHICLE 100% FROM HOME - FREE DELIVERY UP TO 300 MILES - CALL US FOR DETAILSWe can do everything over the phone and deliv...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49VEY7LF246578
    Stock: JT043058
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • $55,898
    good price
    $4,790 below market
    • 92,043 miles
    • 1 accident, 2 owners, corporate fleet vehicle
    • 8'2” bed, 6.6l, 8cyl
    • Ultimate Motor Cars (190 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Saint Augustine, FL / 190 miles away from Port Saint Lucie, FL

    ABOUT THIS VEHICLE 2020 GMC Sierra 3500HD Denali 4WD: 6.6L Turbo-Diesel, Allison 10-Speed Automatic Transmission, Jet Black Leather, 10-Way Power Driv...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEYXLF349435
    Stock: P349435
    Certified Pre-Owned: No
    Listed since: 04-19-2025

  • $54,780
    fair price
    $168 below market
    • 94,416 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Phillips Buick GMC (141 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Fruitland Park, FL / 141 miles away from Port Saint Lucie, FL

    This 2020 GMC Sierra 3500HD Denali is a powerful and luxurious vehicle. It has a 6.6 liter Duramax Biodiesel Turbo V8 445hp 910 lb-ft engine, and onyx...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY4LF202270
    Stock: U197A
    Certified Pre-Owned: No
    Listed since: 05-19-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra HD Denali
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $67,982
    fair price
    $531 above market
    • 42,064 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Starling Buick GMC Stuart (15 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Stuart, FL / 15 miles away from Port Saint Lucie, FL

    2022 GMC Sierra 3500HD Denali Summit White Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD CARFAX One-Owner. Clean CARFAX. ONE OWNER, Bluetooth, Po...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY5NF304101
    Stock: 304101T
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • $47,900
    fair price
    $5 below market
    • 151,059 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Andalusia Ford (458 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Andalusia, AL / 458 miles away from Port Saint Lucie, FL

    Call Jenny today to schedule your test drive! 3**-2**-1***

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY3LF143146
    Stock: T3091A
    Certified Pre-Owned: No
    Listed since: 07-26-2023

  • $55,999
    fair price
    $370 above market
    • 106,506 miles
    • No accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Hillsboro Auto Mart (135 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Tampa, FL / 135 miles away from Port Saint Lucie, FL

    *** www.HillsboroAutoMart.com *** ***2020 GMC SIERRA 3500 DENALI*** ***6.6L V8 DI DSL T/C 6.6L*** ***DRW*** ***NO ACCIDENTS*** ***DENALI ULTIMATE PKG*...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEYXLF261808
    Stock: 261808
    Certified Pre-Owned: No
    Listed since: 03-21-2025

    • 27,439 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Vera Buick GMC (91 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Pembroke Pines, FL / 91 miles away from Port Saint Lucie, FL

    CARFAX One-Owner. Certified. White Frost Tricoat 2022 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel *ONE OWNER*, *NAVIGA...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY2NF158532
    Stock: G226577A
    Certified Pre-Owned: Yes
    Listed since: 05-03-2025

  • New Listing
    $61,156
    fair price
    $1,293 above market
    • 79,692 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • Gainesville Buick GMC (199 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Gainesville, FL / 199 miles away from Port Saint Lucie, FL

    FULLY SERVICED! GREAT VEHICLE HISTORY! ***HOME OF THE LIFETIME WARRANTY***150 Point Inspection*** Recent Arrival!GMC Sierra 3500HD 2020 Onyx Black Dur...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY7LF173153
    Stock: F173153
    Certified Pre-Owned: No
    Listed since: 05-05-2025

Showing 43 - 63 out of 226 listings

Consumer Reviews for the GMC Sierra 3500HD

Read recent reviews for the GMC Sierra 3500HD
Overall Consumer Rating
4.2 out of 5 stars12 Reviews
Write a vehicle reviewSee all 12 reviews
  • 5 star
    (58%)
  • 4 star
    (17%)
  • 3 star
    (8%)
  • 2 star
    (17%)
  • 1 star
    (0%)
4.63 out of 5 stars

The new diesel is "wow"

Brian, 10/16/2007
2008 GMC Sierra 3500HD Work Truck 2dr Regular Cab 4WD LB DRW (6.0L 8cyl 6A)
This non dually 3500 with the new diesel is a blast and very man like. I just purchased a 2006 3500 dump for my construction business. I love the fuel economy and the way it pulls my big trailers I didn't care for the new body style so I found a new 06. I added a pickup this month and all they had were 07 & 08. I bought the 08. Holy cow is the power different. This truck is sharp and … can pull a trailer. It gets worked on job sites and I pile the mile on. Good fuel economy and pretty comfortable for a 3500. I will buy more as I update my fleet from Ford to GMC.
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Used 2020 GMC Sierra 3500HD in Port Saint Lucie, FL Values

Estimated values
2020 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD LB DRW (6.6L 8cyl Turbodiesel 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$38,242$41,072$43,802
Clean$37,432$40,177$42,822
Average$36,081$38,687$41,190
Rough$34,326$36,749$39,069

The average list price of a used 2020 GMC Sierra 3500HD in Port Saint Lucie, Florida is $53,833. The average mileage on a used GMC Sierra 3500HD 2020 for sale in Port Saint Lucie, Florida is 94,783. Based on the average mileage of 94,783 for used 2020 GMC Sierra 3500HD for sale in Port Saint Lucie, FL and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used GMC Sierra 3500HD 2020 in Port Saint Lucie, Florida to be $36,081.

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