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  • $50,900
    great price
    $4,872 below market
    • 46,879 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Merit Auto Group (423 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Jacksonville, FL / 423 miles away from Huntsville, AL

    At Merit Auto Group, we're thrilled to offer top-notch pre-owned vehicles at unbeatable prices. Our cars are priced well below market value, so you ca...

    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: 1GT42YEY4JF224394
    Stock: 5374
    Certified Pre-Owned: No
    Listed since: 04-08-2025

  • Price Drop
    $46,351
    good price
    $923 below market
    • 114,644 miles
    • No accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Jeff Wyler Florence Buick GMC (314 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Florence, KY / 314 miles away from Huntsville, AL

    Jeff Wyler Florence Buick GMC is proud to offer this superb-looking 2018 GMC Sierra 3500HD Denali in Summit White. Driver Alert Package (Forward Colli...

    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: 1GT42YEY9JF273445
    Stock: 2620098A
    Certified Pre-Owned: No
    Listed since: 07-18-2025

  • New Listing
    Stock photo**
    $51,392
    fair price
    $165 below market
    • 60,565 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Thompson Buick GMC (409 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Springfield, MO / 409 miles away from Huntsville, AL

    SAVE THOUSANDS WITH INTERNET VALUE PRICING! ONLY AT THOMPSON'S IN SPRINGFIELD! LOCAL TRADE!! JUST ARRIVED!! SAVE THOUSANDS!!, SPRINGFIELD AREA'S #1 VO...

    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: 1GT42YEY5JF155683
    Stock: SF265652A
    Certified Pre-Owned: No
    Listed since: 08-01-2025

  • Price Drop
    $51,590
    fair price
    $1,272 above market
    • 80,630 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Carvana - Charlotte (329 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Charlotte, NC / 329 miles away from Huntsville, AL

    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: 1GT42YEYXJF245542
    Stock: 2003864142
    Certified Pre-Owned: No
    Listed since: 07-04-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    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
    $45,000
    fair price
    $421 below market
    • 118,432 miles
    • 1 accident, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • AutoGiant USA (355 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Indianapolis, IN / 355 miles away from Huntsville, AL

    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: 1GT42YEY7JF259348
    Stock: K259348
    Certified Pre-Owned: No
    Listed since: 07-28-2025

    • 25,427 miles
    • No accidents, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Jerry Hunt Supercenter (366 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lexington, NC / 366 miles away from Huntsville, AL

    Recent Arrival! Carfax Accident Free, Custom Wheels and Tires, Lift Kit, Leather Interior, Tow Package, Sunroof, Backup Camera, Bluetooth, Sirius XM, ...

    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: 1GT42YEY5JF253483
    Stock: 23383
    Certified Pre-Owned: No
    Listed since: 07-24-2025

    • 85,033 miles
    • No accidents, personal use only
    • Harold Chevrolet (485 mi away)
    • 4WD
    • Leather-Appointed Se...
    • Heated Driver & Fron...
    • Remote Keyless Entry
    • Remote Vehicle Start...
    Close

    Located in Angola, IN / 485 miles away from Huntsville, AL

    Allison 1000 6-Speed Automatic, 4WD, Dark Ash/Jet Black w/Leather-Appointed Seat Trim, 110-Volt AC Power Outlet, 150 Amps Alternator, 4.2" Diagonal Co...

    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: 1GT42XEY5JF181114
    Stock: P7587
    Certified Pre-Owned: No
    Listed since: 05-14-2025

    • 103,487 miles
    • No accidents, 1 owner, personal use
    • Nourse Honda (376 mi away)
    • Perforated Leather-A...
    • Heated Driver & Fron...
    • Rear Vision Camera
    • Apple CarPlay
    • Remote Keyless Entry
    Close

    Located in Chillicothe, OH / 376 miles away from Huntsville, AL

    Allison 1000 6-Speed Automatic, 4WD, Jet Black Leather.Onyx Black 2018 GMC Sierra 3500HD 4D Crew Cab Denali Duramax 6.6L V8 Turbodiesel Allison 100...

    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: 1GT42YEY8JF143849
    Stock: 28084A
    Certified Pre-Owned: No
    Listed since: 07-19-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    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
    $49,901
    great price
    $7,230 below market
    • 61,161 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Bleecker Buick GMC (421 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Red Springs, NC / 421 miles away from Huntsville, AL

    Sunroof, Heated/Cooled Leather Seats, Navigation, 4x4, Turbo Charged, Alloy Wheels, Bed Liner, Trailer Hitch, GOOSENECK / 5TH WHEEL PREP PACKAGE -- 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: 1GT42WEY0KF188404
    Stock: M5180B
    Certified Pre-Owned: No
    Listed since: 07-26-2025

  • New Listing
    Stock photo**
    • 185,781 miles
    • 3 accidents, 2 owners, personal use
    • 6'7” bed, 6.6l, 8cyl
    • Nourse Honda (376 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Chillicothe, OH / 376 miles away from Huntsville, AL

    Allison 1000 6-Speed Automatic, 4WD, Cocoa/Dark Sand Leather.Recent Arrival!White Frost Tricoat 2018 GMC Sierra 3500HD 4D Crew Cab Denali Duramax ...

    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: 1GT42YEY4JF181952
    Stock: F27476B
    Certified Pre-Owned: No
    Listed since: 08-01-2025

  • $44,555
    great price
    $5,227 below market
    • 102,595 miles
    • 2 accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Bob Mills Chevrolet (384 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Darlington, SC / 384 miles away from Huntsville, AL

    Onyx Black 2019 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic, 4WD, Jet Black...

    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: 1GT42WEY7KF254172
    Stock: CU1650
    Certified Pre-Owned: No
    Listed since: 02-07-2025

  • $38,995
    fair price
    $3,665 below market
    • 147,841 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • NorthSide Ford Lincoln (324 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Effingham, IL / 324 miles away from Huntsville, AL

    This GMC Sierra 3500HD delivers a Turbocharged Diesel V8 6.6L/403 engine powering this Automatic transmission. WIRELESS CHARGING, UNDERBODY SHIELD, FR...

    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: 1GT42VEY0KF161858
    Stock: 0379A
    Certified Pre-Owned: No
    Listed since: 06-18-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    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.
  • $51,950
    good price
    $2,150 below market
    • 76,710 miles
    • No accidents, 4 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Impex Auto Sales (390 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Greensboro, NC / 390 miles away from Huntsville, AL

    This 2019 GMC Sierra 3500HD Denali 4WD, with 76710 miles, has been thoroughly inspected and reconditioned by our expert service team. At Impex Auto Sa...

    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: 1GT42WEY7KF222760
    Stock: 1GT4623A
    Certified Pre-Owned: No
    Listed since: 04-19-2025

  • $44,985
    great price
    $3,658 below market
    • 74,965 miles
    • 1 accident, 4 owners, corporate fleet vehicle
    • 8'2” bed, 6.6l, 8cyl
    • United Global Imports (140 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Cumming, GA / 140 miles away from Huntsville, AL

    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: 1GT42XEY8HF234284
    Stock: 3563
    Certified Pre-Owned: No

  • New Listing
    Stock photo**
    $51,138
    good price
    $1,751 below market
    • 84,587 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Reidsville Nissan (403 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Reidsville, NC / 403 miles away from Huntsville, AL

    Your Next Ride Starts Here at Reidsville Nissan!Clean CARFAX. Onyx Black 2019 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6...

    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: 1GT42WEY0KF281536
    Stock: R13467
    Certified Pre-Owned: No
    Listed since: 07-29-2025

  • New Listing
    $36,000
    fair price
    $970 below market
    • 127,207 miles
    • 2 accidents, 1 owner, personal use only
    • 8'2” bed, 6l, 8cyl
    • Mountain Top Motor Co (378 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Troy, MO / 378 miles away from Huntsville, AL

    *NOW AVAILABLE*Features include;Leather Seats, Heated and Cooled Seats, Sunroof/Moonroof, Navigation/GPS/NAVI, Backup Camera, Cruise Control, Steeri...

    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: 1GT42WEG7KF121435
    Stock: T9738
    Certified Pre-Owned: No
    Listed since: 06-05-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    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.
  • Stock photo**
    $44,556
    fair price
    $1,817 below market
    • 132,721 miles
    • 1 accident, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Stokes Toyota Hilton Head (367 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Bluffton, SC / 367 miles away from Huntsville, AL

    ***Stokes Toyota Hilton Head*** Navigation** Power Sunroof** 2019 GMC Sierra 3500HD Denali in Onyx Black, Factory Equipped With: 110-Volt AC Power Out...

    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: 1GT42WEYXKF270981
    Stock: 34493A
    Certified Pre-Owned: No
    Listed since: 07-23-2025

    • 89,795 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 6'7” bed, 6.6l, 8cyl
    • CRM Motors (99 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pelham, AL / 99 miles away from Huntsville, AL

    Looking for a truck that can handle any task with ease? Look no further than this White 2019 GMC Sierra 3500HD! This beast of a truck not only looks s...

    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: 210860
    Certified Pre-Owned: No

    • 157,062 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Joe Maus Chrysler Dodge Jeep Ram of Dublin (261 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Dublin, GA / 261 miles away from Huntsville, 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: 1GT42YEY5HF183168
    Stock: R2915B
    Certified Pre-Owned: No
    Listed since: 07-25-2025

  • Stock photo**
    • 72,015 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Twin City Buick GMC (166 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Alcoa, TN / 166 miles away from Huntsville, AL

    This vehicle is located at Twin City Auto Center 3076 Airport HWY Alcoa TN 37701, 865-970-3900! This 2019 GMC Sierra 3500HD Denali is loaded with th...

    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: 1GT42WEY8KF241642
    Stock: KF241642E
    Certified Pre-Owned: No
    Listed since: 06-12-2025

    • 128,683 miles
    • 1 accident, 3 owners, corporate fleet vehicle
    • 6'7” bed, 6.6l, 8cyl
    • CRM Motors (99 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pelham, AL / 99 miles away from Huntsville, AL

    Get ready to dominate the road in this sleek Black 2017 GMC Sierra 3500HD! This powerhouse of a truck is equipped with a V8 engine that roars to life ...

    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: 1GT42YEY8HF172357
    Stock: 172357
    Certified Pre-Owned: No

Showing 1 - 21 out of 707 listings

Consumer Reviews for the GMC Sierra 3500HD

Read recent reviews for the GMC Sierra 3500HD
Overall Consumer Rating
3.1 out of 5 stars9 Reviews
Write a vehicle reviewSee all 9 reviews
  • 5 star
    (33%)
  • 4 star
    (22%)
  • 3 star
    (0%)
  • 2 star
    (11%)
  • 1 star
    (33%)
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 2018 GMC Sierra 3500HD in Huntsville, AL Values

Estimated values
2018 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$36,204$39,984$43,089
Clean$35,205$38,868$41,872
Average$33,540$37,008$39,845
Rough$31,376$34,590$37,209

The average list price of a used 2018 GMC Sierra 3500HD in Huntsville, Alabama is $48,416. The average mileage on a used GMC Sierra 3500HD 2018 for sale in Huntsville, Alabama is 98,868. Based on the average mileage of 98,868 for used 2018 GMC Sierra 3500HD for sale in Huntsville, 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 2018 in Huntsville, Alabama to be $33,540.

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