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143 listings
  • Price Drop
    $56,420
    great price
    $6,952 below market
    • 61,793 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • ALM Kia South (173 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Union City, GA / 173 miles away from Tuscaloosa, AL

    $79K ORIGINAL MSRP !!!..DENALI ULTIMATE PKG..DRIVER ALERT PKG I..DRIVER ALERT PKG II..GOOSENECK/5TH WHEEL PKG..GOOSENECK/5TH WHEEL PREP PKG..PREFERRED...

    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: 1GT49WEY7LF302797
    Stock: LF302797
    Certified Pre-Owned: No
    Listed since: 03-19-2025

  • New Listing
    Stock photo**
    • 123,250 miles
    • 2 accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Susan Schein Automotive (40 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pelham, AL / 40 miles away from Tuscaloosa, AL

    This Quicksilver Metallic 2019 GMC Sierra 3500HD would be a welcomed addition to your family or business. It comes well-equipped with: 1 Subwoofer, 11...

    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: 1GT42WEY7KF238599
    Stock: 238599-A
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • Price Drop
    $51,770
    fair price
    $617 below market
    • 121,835 miles
    • No accidents, 3 owners, corporate fleet vehicle
    • 8'2” bed, 6.6l, 8cyl
    • City Auto Mitsubishi (192 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Murfreesboro, TN / 192 miles away from Tuscaloosa, AL

    Vehicle DetailsDiscover the robust power and luxury of the 2020 GMC Sierra 3500 Denali, a top-tier choice for those seeking a harmonious blend...

    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: 1GT49WEYXLF196233
    Stock: 509138
    Certified Pre-Owned: No
    Listed since: 04-02-2025

  • Stock photo**
    • 173,126 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • John Thornton Buick GMC (141 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Carrollton, GA / 141 miles away from Tuscaloosa, AL

    Recent Arrival! Thank you for considering this beautiful 2020 GMC Sierra 3500HD SLT finished in stunning Summit White with Jet Black Leather.We are yo...

    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: 1GT49UEY8LF241660
    Stock: SG903A
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • 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.
  • Price Drop
    $48,998
    good price
    $1,428 below market
    • 89,682 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 6'7” bed, 6.6l, 8cyl
    • Serra Nissan (55 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Birmingham, AL / 55 miles away from Tuscaloosa, AL

    Clean CARFAX. Come on down to Serra Nissan/VW to see this 2019 Sierra 3500HD in Summit White. Odometer is 40046 miles below market average!Allison 100...

    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: 1GT42WEY6KF210860
    Stock: NP210860
    Certified Pre-Owned: No
    Listed since: 02-24-2025

  • $58,970
    fair price
    $1,887 below market
    • 55,347 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • ALM Kennesaw (176 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Kennesaw, GA / 176 miles away from Tuscaloosa, AL

    80K$ MSRP..DRIVER ALERT PKG I..DRIVER ALERT PKG II.. GOOSENECK/5TH WHEEL PREP PKG..HEAVY DUTY FRONT SPRING/CAMPER PKG..PREFERRED EQUIPMENT GROUP 5SA.....

    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: 1GT49WEY3MF176911
    Stock: MF176911
    Certified Pre-Owned: No
    Listed since: 05-24-2025

  • $49,990
    fair price
    $250 below market
    • 95,632 miles
    • No accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Shottenkirk's Cherokee Chrysler Dodge Jeep Ram (188 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Canton, GA / 188 miles away from Tuscaloosa, AL

    Clean CARFAX.LOCAL TRADE IN, CLEAN CARFAX, 110-Volt AC Power Outlet, 150 Amps Alternator, 220 Amp Alternator, 4-Wheel Disc Brakes, 7 Speakers, 8" Mult...

    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: 1GT42WEY9KF141436
    Stock: R3665A
    Certified Pre-Owned: No
    Listed since: 05-14-2025

    • 100,714 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • City Auto Memphis (194 mi away)
    • Sunroof/Moonroof
    • Upgraded Engine
    • Heads up display
    • Towing Hitch
    Close

    Located in Memphis, TN / 194 miles away from Tuscaloosa, AL

    Vehicle DetailsDiscover excellence on the road with our immaculate 2021 GMC Sierra 3500 Denali. This robust pickup combines power and luxury, ...

    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: 1GT49WEY4MF250093
    Stock: 509720
    Certified Pre-Owned: No
    Listed since: 04-23-2025

  • 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.
  • $52,985
    fair price
    $665 below market
    • 79,708 miles
    • 1 accident, 3 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Sandy Sansing Chevrolet (189 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pensacola, FL / 189 miles away from Tuscaloosa, AL

    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

  • Price Drop
    • 21,598 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Tutton Chrysler Dodge Jeep Ram (194 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Jasper, GA / 194 miles away from Tuscaloosa, AL

    ONLY A MINOR ON THE CARFAX!! PRICED BELOW MARKET VALUE!! LIKE NEW CONDITION!! GREAT SERVICE RECORDS!!Ebony Twilight Metallic 2021 GMC Sierra 3500HD AT...

    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: 1GT49VE72MF312429
    Stock: 301723A
    Certified Pre-Owned: No
    Listed since: 05-02-2025

    • 106,823 miles
    • No accidents, 1 owner, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Chrysler Dodge Jeep Ram of Albertville (104 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Albertville, AL / 104 miles away from Tuscaloosa, AL

    CARFAX One-Owner. **Call Phillip @ 256-558-8021** 2021 GMC Sierra 3500HD SLT Summit White 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel** Backu...

    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: 1GT49UEYXMF304498
    Stock: P1390
    Certified Pre-Owned: No
    Listed since: 02-23-2024

    • 98,770 miles
    • No accidents, 1 owner, personal use only
    • ALM Kennesaw (176 mi away)
    • Forge Perforated Lea...
    • Heated Driver & Fron...
    • HD Rear Vision Camer...
    • Apple CarPlay
    • Rear Cross Traffic A...
    Close

    Located in Kennesaw, GA / 176 miles away from Tuscaloosa, AL

    $80K ORIGINAL MSRP !!!..DRIVER ALERT PACKAGE II..DRIVER ALERT PACKAGE I..STORAGE PACKAGE..TRAILERING PACKAGE..X31 OFF-ROAD PACKAGE..SNOW PLOW PREP/CAM...

    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: 1GT49WEY6MF222392
    Stock: MF222392
    Certified Pre-Owned: No
    Listed since: 04-29-2025

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

    Located in Bend, OR / 1,954 miles away from Tuscaloosa, AL

    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

    • 148,954 miles
    • No accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Auto Innovation (162 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Ridgeland, MS / 162 miles away from Tuscaloosa, AL

    Buckle up and get ready to hit the road in this sleek and reliable 2019 White GMC Sierra! This beauty isn't just a truck, it's a powerful companion re...

    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: Yes

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42WEY8KF182169
    Stock: 3830
    Certified Pre-Owned: No
    Listed since: 03-14-2025

  • New Listing
    • 124,615 miles
    • No accidents, 4 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • GM Sales (104 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Albertville, AL / 104 miles away from Tuscaloosa, AL

    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: 1GT42WEY6KF154533
    Stock: 25-127
    Certified Pre-Owned: No
    Listed since: 05-28-2025

  • Price Drop
    • 50,850 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Toyota of Fort Walton Beach (198 mi away)
    • AWD/4WD
    • Back-up camera
    • Upgraded Headlights
    • Tire Pressure Warnin...
    • USB Inputs
    Close

    Located in Fort Walton Beach, FL / 198 miles away from Tuscaloosa, AL

    Allison 1000 6-Speed Automatic, 4WD, Dark Ash Seats With Jet Black Interior Accents Vinyl. Odometer is 59833 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

  • 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.
    • 177,769 miles
    • 1 accident, 2 owners, personal use
    • Motor Max (185 mi away)
    • 4WD
    • Premium Leather Seat...
    • Sunroof
    • Back-up camera
    • Seamless access
    Close

    Located in Griffin, GA / 185 miles away from Tuscaloosa, AL

    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

  • Stock photo**
    $47,998
    good price
    $2,716 below market
    • 68,000 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Ford of Columbia (170 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Columbia, TN / 170 miles away from Tuscaloosa, AL

    Priced below KBB Fair Purchase Price!At Ford of Columbia, we're committed to a hassle-free, customer-first experience. If you want a good deal, you've...

    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: 1GT42XCY4JF234954
    Stock: 5693A
    Certified Pre-Owned: No
    Listed since: 05-18-2025

  • $39,936
    fair price
    $670 above market
    • 152,251 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Riverside Chevrolet Buick GMC (163 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in South Pittsburg, TN / 163 miles away from Tuscaloosa, AL

    Home of the Lifetime Warranty!, **NO-HASSLE EASY PRICING **, 6-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather. Clean CARFAX. Summit Whi...

    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: 1GT49VE74LF116023
    Stock: R4288A
    Certified Pre-Owned: No
    Listed since: 04-08-2025

  • Stock photo**
    $52,344
    fair price
    $2,043 below market
    • 111,356 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Carplex (37 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Helena, AL / 37 miles away from Tuscaloosa, AL

    Visit Carplex LLC to shop our great deals. You can contact us or call 2**-8**-2*** to schedule your test drive today.

    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: 1GT49WEY8LF183450
    Stock: 183450
    Certified Pre-Owned: No
    Listed since: 04-30-2025

  • $47,900
    fair price
    $41 above market
    • 151,059 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Andalusia Ford (143 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Andalusia, AL / 143 miles away from Tuscaloosa, AL

    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

Showing 1 - 21 out of 143 listings

Consumer Reviews for the GMC Sierra 3500HD

Read recent reviews for the GMC Sierra 3500HD
Overall Consumer Rating
3.5 out of 5 stars13 Reviews
Write a vehicle reviewSee all 13 reviews
  • 5 star
    (46%)
  • 4 star
    (15%)
  • 3 star
    (0%)
  • 2 star
    (15%)
  • 1 star
    (23%)
4 out of 5 stars

The designers and engineers should drive it more

Mike Langford, 01/16/2020
2017 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD LB DRW (6.0L 8cyl 6A)
The Nav system is almost useless as far as address input, The 4 wheel selector knob doesn't need to above the very similar headlight knob, Why not put a DEF gauge in it? When DEF warning triggers the DIC, no other information is available until the DEF tank is filled! Entertainment system (CD, books on disk and downloaded library books) startup again when I approach the vehicle … (phone in my pocket) and the engine is running. I have lost my place in many books many times because of this. The backup camera surely came from a Cracker Jacks box, substandard quality. The center display will ruin your night vision when put in reverse (it could use a dimmer/off switch). And why not allow full time use of the back up camera and back up lighting? (I live and work on my farm). Steering wheel buttons could be a little more intuitive, It's easy to turn on the steering wheel heater when the intent was to reduce the cruise speed. My truck has the 6.6 Duramax (awsome!) and I drive about 10k miles/mo. Needless to say, I'm in it a lot. Don't misunderstand, I love my truck but like I said in the beginning, the design and engineering people should have to drive their creations for a month or so. How did someone devise the notion to put the DEF filler neck under the hood and on the passenger side firewall? A common problem and more future problems will occur as the caustic DEF fluid splashes out of the filler neck, it drains down on top of and puddles in the wiring harness on the bottom of the DEF tank where the wires go into the bottom of the tank. It's happened once and it damaged the DEF tank heater... thingie. Luckily it was under extended warranty. And one thing Edmunds, I couldn't find the 6.6 Duramax option on your drop down menus. There all 6.0s
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Used 2020 GMC Sierra 3500HD in Tuscaloosa, AL Values

Estimated values
2020 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD LB (6.6L 8cyl Turbodiesel 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$38,294$41,218$44,040
Clean$37,482$40,321$43,055
Average$36,130$38,825$41,414
Rough$34,372$36,880$39,281

The average list price of a used 2020 GMC Sierra 3500HD in Tuscaloosa, Alabama is $49,917. The average mileage on a used GMC Sierra 3500HD 2020 for sale in Tuscaloosa, Alabama is 103,795. Based on the average mileage of 103,795 for used 2020 GMC Sierra 3500HD for sale in Tuscaloosa, AL 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 Tuscaloosa, Alabama to be $36,130.

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