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107 listings
  • Stock photo**
    • 41,634 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Star GMC Quakertown (51 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Quakertown, PA / 51 miles away from Wilmington, DE

    6-Speed Automatic, 4WD, Jet Black Vinyl. 2020 GMC Sierra 3500HD Summit White 4WD 6-Speed Automatic 4D Crew Cab Recent Arrival!HUGE Memorial Day Sale!!...

    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: 1GT49SE75LF343123
    Stock: Q25366A
    Certified Pre-Owned: No
    Listed since: 05-24-2025

  • New Listing
    • 132,213 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6l, 8cyl
    • Dean's Auto Plaza (74 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Hanover, PA / 74 miles away from Wilmington, DE

    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: 1GT52XCG4JZ140101
    Stock: 140101
    Certified Pre-Owned: No

    • 138,432 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Star GMC Quakertown (51 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Quakertown, PA / 51 miles away from Wilmington, DE

    2020 GMC Sierra 3500HD Onyx Black AT4 4WD 10-Speed Automatic 4D Crew CabHUGE Memorial Day Sale!! Offering Lifetime Powertrain Warranties on most of ou...

    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: 1GT49VEY5LF164431
    Stock: Q25357A
    Certified Pre-Owned: No
    Listed since: 05-09-2025

  • Price Drop
    Stock photo**
    $40,528
    great price
    $2,235 below market
    • 144,234 miles
    • 2 accidents, 2 owners, corporate fleet vehicle
    • 6'7” bed, 6.6l, 8cyl
    • Burns Auto Group (48 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fairless Hills, PA / 48 miles away from Wilmington, DE

    This GMC Sierra 3500HD boasts a Turbocharged Diesel V8 6.6L/403 engine powering this Automatic transmission. TRANSMISSION, ALLISON 1000 6-SPEED AUTOMA...

    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: 1GT42WEY2KF204831
    Stock: B17168T
    Certified Pre-Owned: No
    Listed since: 05-04-2025

  • 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.
  • $52,366
    fair price
    $1,151 below market
    • 65,896 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Burns Auto Group (48 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fairless Hills, PA / 48 miles away from Wilmington, DE

    Only 65,874 Miles! This GMC Sierra 3500HD delivers a Turbocharged Diesel V8 6.6L/403 engine powering this Automatic transmission. TRANSMISSION, ALLISO...

    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: 1GT42WEYXKF102760
    Stock: B17105
    Certified Pre-Owned: No
    Listed since: 10-23-2024

  • New Listing
    • 199,151 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Driveway (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • USB Inputs
    Close

    Located in Billings, MT / 1,714 miles away from Wilmington, DE

    CarFax No Accidents Reported,High Demand,Rare Find,Bluetooth,Brake Assist,Heated Seats,Leather Seats,Premium Sound,Remote Start,Satellite Radio,Tow Hi...

    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: 1GT424C84BF240186
    Stock: 22779
    Certified Pre-Owned: No

  • Price Drop
    • 66,572 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • Driveway (In-stock online)
    • Home delivery*
    Close

    Located in Bend, OR / 2,339 miles away from Wilmington, DE

    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

  • $60,655
    good price
    $1,705 below market
    • 28,919 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (41 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 41 miles away from Wilmington, DE

    Priced below KBB Fair Purchase Price! This 2022 GMC Sierra 3500HD Denali in Pacific Blue Metallic features: 6.6L V8 6-Speed Automatic 4WD CARFAX One-O...

    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: 1GT49WE76NF163319
    Stock: 99-9409C
    Certified Pre-Owned: Yes
    Listed since: 01-25-2025

  • 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.
    • 22,509 miles
    • No accidents, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (41 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 41 miles away from Wilmington, DE

    Priced below KBB Fair Purchase Price! This 2022 GMC Sierra 3500HD AT4 in Pacific Blue Metallic features: 6.6L V8 6-Speed Automatic 4WD Certified.GMC ...

    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: 1GT49VE70NF172446
    Stock: G915A
    Certified Pre-Owned: Yes
    Listed since: 05-24-2024

    • 26,761 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Keller Bros Ford Lititz (49 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lititz, PA / 49 miles away from Wilmington, DE

    ONE OWNER!! TECH PKG!! WELL EQUIPPED!!, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Cayenne Red Tintcoat, Jet Black w/Perf Leather-Appointed...

    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: 1GT49WEY5NF282326
    Stock: 8808
    Certified Pre-Owned: No
    Listed since: 05-07-2025

    • 56,216 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Star GMC (68 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Easton, PA / 68 miles away from Wilmington, DE

    GM CERTIFIED, **LOCAL TRADE IN, **BALANCE OF FACTORY WARRANTY, **CLEAN CARFAX 1 OWNER**, **BLUETOOTH, **BACKUP CAMERA, **USB PORT, **SATELLITE RADIO, ...

    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: 1GT49TEY0NF208228
    Stock: 451174A
    Certified Pre-Owned: Yes
    Listed since: 04-24-2025

  • Stock photo**
    • 21,956 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • King of Cars and Trucks (23 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Westville, NJ / 23 miles away from Wilmington, DE

    She Bad

    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: 1GT49WEY0LF179473
    Stock: NJTK1657
    Certified Pre-Owned: No
    Listed since: 07-18-2024

  • 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.
  • New Listing
    • 54,335 miles
    • No accidents, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • CarMax (In-stock online)
    • Transfer available from TX to DE*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Houston, TX / 1,314 miles away from Wilmington, DE

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    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: 1GT49SEY5LF259893
    Stock: 27352849
    Certified Pre-Owned: No

  • New Listing
    • 42,577 miles
    • No accidents, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Atlanta, GA / 641 miles away from Wilmington, DE

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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: 1GT49WE71LF229482
    Stock: 2003717116
    Certified Pre-Owned: No
    Listed since: 05-16-2025

  • New Listing
    • 74,530 miles
    • No accidents, 3 owners, personal use only
    • Lime Ridge Auto Sales (59 mi away)
    • Back-up camera
    • Sunroof/Moonroof
    • Upgraded Engine
    • Heads up display
    • 360-degree camera
    Close

    Located in Mount Joy, PA / 59 miles away from Wilmington, DE

    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: 1GT49WEYXLF319691
    Stock: F319691
    Certified Pre-Owned: No
    Listed since: 05-28-2025

  • New Listing
    • 53,813 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Ciocca Cadillac of Flemington (63 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Flemington, NJ / 63 miles away from Wilmington, DE

    Heated/Cooled Leather Seats, Heated Rear Seat, 4x4, Alloy Wheels, Bed Liner, TRANSMISSION, ALLISON 10-SPEED AUTOMA... ENGINE, DURAMAX 6.6L TURBO-DIESE...

    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: 1GT49VEY4LF216065
    Stock: 20206065A
    Certified Pre-Owned: No
    Listed since: 05-24-2025

  • 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.
    • 49,248 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (41 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 41 miles away from Wilmington, DE

    This 2022 GMC Sierra 3500HD AT4 in Ebony Twilight Metallic features: 6.6L V8 6-Speed Automatic 4WD CARFAX One-Owner.Odometer is 3382 miles below mar...

    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: 1GT49VE78NF159217
    Stock: G12671A
    Certified Pre-Owned: No
    Listed since: 05-17-2025

  • New Listing
    $61,990
    fair price
    $572 below market
    • 9,453 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Carvana - Harrisburg (80 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Harrisburg, PA / 80 miles away from Wilmington, DE

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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: 1GT49UE76PF167801
    Stock: 2003598074
    Certified Pre-Owned: No
    Listed since: 04-10-2025

  • $63,499
    fair price
    $674 above market
    • 28,835 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Lucas Chevrolet (44 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lumberton, NJ / 44 miles away from Wilmington, DE

    Free CarFax History report available on all inventory. Please email or call 609.288.7623 for availability. 10-Speed Automatic, 4WD, Dark Walnut/Slate ...

    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: 1GT49UEY6PF258317
    Stock: P6758
    Certified Pre-Owned: No
    Listed since: 01-17-2025

  • New Listing
    $59,998
    good price
    $2,588 below market
    • 69,332 miles
    • 6'10” bed, 6.6l, 8cyl
    • CarMax (In-stock online)
    • Transfer available from CT to DE*
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Waterbury, CT / 184 miles away from Wilmington, DE

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEYXMF255850
    Stock: 26816717
    Certified Pre-Owned: No

  • $55,995
    good price
    $615 below market
    • 57,957 miles
    • 1 accident, 1 owner, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Ciocca Cadillac of Flemington (63 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Flemington, NJ / 63 miles away from Wilmington, DE

    Heated Leather Seats, Nav System, Satellite Radio, Running Boards, 4x4, Aluminum Wheels, Hitch, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPA...

    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: 1GT49UEY9MF252684
    Stock: 20212684
    Certified Pre-Owned: No
    Listed since: 05-22-2025

Showing 22 - 42 out of 107 listings

Used 2020 GMC Sierra 3500HD in Wilmington, DE Values

Estimated values
2020 GMC Sierra 3500HD 4dr Crew Cab 4WD LB (6.6L 8cyl 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$27,838$31,908$35,831
Clean$27,248$31,213$35,030
Average$26,265$30,055$33,695
Rough$24,987$28,550$31,960

The average list price of a used 2020 GMC Sierra 3500HD in Wilmington, Delaware is $55,814. The average mileage on a used GMC Sierra 3500HD 2020 for sale in Wilmington, Delaware is 65,932. Based on the average mileage of 65,932 for used 2020 GMC Sierra 3500HD for sale in Wilmington, DE 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 Wilmington, Delaware to be $26,265.

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