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574 listings
  • Price Drop
    $66,700
    fair price
    $5,658 below market
    • 21,120 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Countryside Motors (465 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Conway, AR / 465 miles away from Columbus, GA

    SIERRA AT4 3500 4x4, 1 OWNER, 6.6L V8 DIESEL DURAMAX, WARRANTY, NAVIGATION, BLUETOOTH, Please TEXT or CALL 5**-7**-3***. Get more pictures and your 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: 1GT49VEY5MF229585
    Stock: 229585
    Certified Pre-Owned: No
    Listed since: 03-25-2025

  • $56,495
    fair price
    $4,131 below market
    • 37,544 miles
    • No accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Crossroads Car and Truck (465 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Milford, OH / 465 miles away from Columbus, GA

    Clean Autocheck Report, Save $20,000 Versus Buying New, GM Warranty Still Applies, Apple Carplay/Android Auto, Navigation, Heated/Cooled Leather Seats...

    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: 1GT49UE75PF179342
    Stock: 23179342
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • Price Drop
    $65,000
    good price
    $4,309 below market
    • 37,925 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Walterboro Ford (250 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Walterboro, SC / 250 miles away from Columbus, GA

    Hi Line Auto Group is excited to introduce our latest addition, "Walterboro Ford." As a FAMILY-OWNED and operated business, we take immense pride in 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: 1GT49WEY0MF245036
    Stock: PT245036
    Certified Pre-Owned: No
    Listed since: 04-12-2025

  • $53,998
    good price
    $3,994 below market
    • 74,915 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Parks Acura (436 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Roanoke, VA / 436 miles away from Columbus, GA

    Clean One-Owner CARFAX This 2021 GMC Sierra 3500HD SLT Crew Cab delivers heavy-duty strength and premium comfort, built to conquer demanding jobs and ...

    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: 1GT49UEY6MF252058
    Stock: 6L625
    Certified Pre-Owned: No
    Listed since: 04-27-2025

  • 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.
  • $67,470
    fair price
    $99 below market
    • 23,269 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • ALM Hyundai Athens (135 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Athens, GA / 135 miles away from Columbus, GA

    GOOSENECK / 5TH WHEEL PREP PACKAGE..DENALI PREFERRED EQUIPMENT GROUP..SUSPENSION PACKAGE..BLIND SPOT..COOLED HEATED SEATS..LANE DEPARTURE..LEATHER SEA...

    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: 1GT49WEY6PF192153
    Stock: PF192153
    Certified Pre-Owned: No
    Listed since: 04-15-2025

  • $60,990
    good price
    $2,694 below market
    • 67,274 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • David Scott Lee Buick GMC (154 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Crestview, FL / 154 miles away from Columbus, GA

    CARFAX One-Owner. Certified. Cayenne Red Tintcoat 2021 GMC Sierra 3500HD Denali Duramax 6.6L V8 Turbodiesel 4WD **GM Certified Pre-Owned**, **Sunroof/...

    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: 1GT49WEY0MF255873
    Stock: 25550A
    Certified Pre-Owned: Yes
    Listed since: 05-07-2025

  • $34,787
    fair price
    $38 below market
    • 158,626 miles
    • No accidents, 4 owners, corporate fleet vehicle
    • 6'7” bed, 6.6l, 8cyl
    • Deskins Motors of Cambellsville (338 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Campbellsville, KY / 338 miles away from Columbus, GA

    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: 1GT424E87FF652640
    Stock: FF652640
    Certified Pre-Owned: No

  • $34,900
    fair price
    $490 below market
    • 157,296 miles
    • No accidents, 3 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Legg Motor Company (313 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Piney Flats, TN / 313 miles away from Columbus, GA

    Legg Motors is located just 6 miles from Bristol Motor Speedway, in Piney Flats, TN. on Highway 11E, towards Johnson City. This location conveniently ...

    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: 1GT424E86FF172976
    Stock: 3351
    Certified Pre-Owned: No
    Listed since: 04-10-2025

  • 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.
  • New Listing
    • 17,251 miles
    • No accidents, 1 owner, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Carvana - Tampa (346 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Tampa, FL / 346 miles away from Columbus, GA

    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: 1GT59SEY7PF195124
    Stock: 2003651534
    Certified Pre-Owned: No
    Listed since: 04-26-2025

  • $37,049
    fair price
    $1,971 below market
    • 129,763 miles
    • 1 accident, 5 owners, corporate fleet vehicle
    • 8'2” bed, 6.6l, 8cyl
    • Used Imports Auto (112 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Roswell, GA / 112 miles away from Columbus, GA

    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: 1GT424E8XFF185455
    Stock: RA185455
    Certified Pre-Owned: No
    Listed since: 04-05-2025

  • New Listing
    Stock photo**
    $65,988
    good price
    $996 below market
    • 35,498 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Jake Sweeney Express (471 mi away)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Cincinnati, OH / 471 miles away from Columbus, GA

    Have you ever wondered where to buy a Certified used car? Look no further! Jake Sweeney is here to Help. If you are in need of a new or used vehicle, ...

    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: 1GT49WEY4PF188151
    Stock: LP9288
    Certified Pre-Owned: No
    Listed since: 05-22-2025

  • New Listing
    $64,705
    good price
    $1,912 below market
    • 43,565 miles
    • 2 accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Deacon Jones Toyota (417 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Clinton, NC / 417 miles away from Columbus, GA

    Onyx Black 2021 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Denali Ultimate Package (Power Sunroof), Driver Alert Pack...

    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: 1GT49WEY6MF138640
    Stock: CG34147A
    Certified Pre-Owned: No
    Listed since: 05-07-2025

  • 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.
  • $56,900
    fair price
    $1,294 above market
    • 103,349 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Platinum Motorsports (162 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Cleveland, GA / 162 miles away from Columbus, GA

    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: 1GT49WEY1MF302103
    Stock: N2917
    Certified Pre-Owned: No
    Listed since: 11-21-2024

  • $41,999
    fair price
    $978 above market
    • 109,881 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Bring Your Own Bids Retail (121 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Rainbow City, AL / 121 miles away from Columbus, GA

    GOOD DIESEL!! WON'T LAST LONG! CAN YOU SAY DENAL?! CALL AND SCHEDULE YOUR VIP APPOINTMENT TODAY 2**-8**-2***

    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: 1GT424E88FF117316
    Stock: 117316
    Certified Pre-Owned: No
    Listed since: 04-19-2025

  • $33,900
    fair price
    $698 above market
    • 170,669 miles
    • No accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Bolts Auto Sales (212 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Easley, SC / 212 miles away from Columbus, GA

    2015 GMC Sierra 3500hd Denali 170k miles 6.6l v8 4x4 automatic tuned and deleted. sharp truck inside and out. runs and drives great.

    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: 1GT424E86FF587845
    Stock: 2169
    Certified Pre-Owned: No
    Listed since: 11-21-2024

  • $61,888
    fair price
    $1,366 above market
    • 68,258 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Gettel Toyota of Charlotte County (421 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Punta Gorda, FL / 421 miles away from Columbus, GA

    This 2021 GMC Sierra 3500HD Denali, has a great Summit White exterior, and a clean Dark Walnut/Dark Ash Grey interior! This model has many valuable op...

    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: 1GT49WEY2MF182179
    Stock: TS2883
    Certified Pre-Owned: No
    Listed since: 02-18-2025

  • 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.
  • $51,295
    fair price
    $298 above market
    • 114,219 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Pure Country Chevrolet (420 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Grayson, KY / 420 miles away from Columbus, GA

    Recent Arrival! Clean CARFAX.2021 GMC Sierra 3500HD Black Denali Duramax 6.6L V8 Turbodiesel 4WD 10-Speed AutomaticWhy Buy at Pure Country Auto?**MASS...

    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: 1GT49WEY0MF233890
    Stock: A1158
    Certified Pre-Owned: No
    Listed since: 03-28-2025

    • 18,886 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Mullinax Buick GMC (74 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Montgomery, AL / 74 miles away from Columbus, GA

    Mullinax Bronze vehicles give you the assurance of a 5 DAY/300-Mile RETURN POLICY, and a complete CARFAX vehicle history report! If you don't like it,...

    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: 1GT49WEY6MF158578
    Stock: 158578C
    Certified Pre-Owned: No
    Listed since: 05-13-2025

  • Stock photo**
    • 5 miles
    • No accidents, 2 owners, personal use only
    • Lake Keowee Ford (195 mi away)
    • Sunroof/Moonroof
    • Upgraded Engine
    • Heads up display
    • Towing Hitch
    Close

    Located in Seneca, SC / 195 miles away from Columbus, GA

    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: 1GT49WEY2MF264347
    Stock: 18967B
    Certified Pre-Owned: No
    Listed since: 05-11-2025

  • New Listing
    • 50,468 miles
    • No accidents, 1 owner, personal use only
    • Akins Ford of Winder (126 mi away)
    • Sunroof/Moonroof
    • Upgraded Engine
    • Heads up display
    • Towing Hitch
    Close

    Located in Winder, GA / 126 miles away from Columbus, GA

    ABOUT THIS VEHICLE Check out this 2021 GMC Sierra 3500HD Denali. Its Automatic transmission and Turbocharged Diesel V8 6.6L/ engine will keep you goin...

    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: 1GT49WEY7MF122396
    Stock: TF122396
    Certified Pre-Owned: No
    Listed since: 05-31-2025

    • 30,791 miles
    • No accidents, 2 owners, personal use only
    • Sarasota Ford (384 mi away)
    • Sunroof/Moonroof
    • Upgraded Engine
    • Heads up display
    • Towing Hitch
    Close

    Located in Sarasota, FL / 384 miles away from Columbus, GA

    Prices are Plus tax, tag, title fee, $1199 Pre-Delivery Service Charge, and $299 Electronic Filing Fee.FACTORY CERTIFIED BLUE ADVANTAGE! 3 MONTH/4,000...

    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: 1GT49WEYXPF173833
    Stock: PF173833
    Certified Pre-Owned: No
    Listed since: 03-30-2025

Showing 169 - 189 out of 574 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 2021 GMC Sierra 3500HD in Columbus, GA Values

Estimated values
2021 GMC Sierra 3500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$37,382$42,069$46,782
Clean$36,698$41,258$45,834
Average$35,557$39,905$44,253
Rough$34,075$38,147$42,198

The average list price of a used 2021 GMC Sierra 3500HD in Columbus, Georgia is $55,417. The average mileage on a used GMC Sierra 3500HD 2021 for sale in Columbus, Georgia is 70,027. Based on the average mileage of 70,027 for used 2021 GMC Sierra 3500HD for sale in Columbus, GA 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 2021 in Columbus, Georgia to be $35,557.

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