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  • Price Drop
    $54,699
    good price
    $2,882 below market
    • 57,405 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Larry H. Miller Ford Lakewood (63 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lakewood, CO / 63 miles away from Colorado Springs, CO

    Dark Slate Metallic 2019 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel, NAVIGATION, DURAMAX PLUS PKG, OFF RO...

    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: 1GT42WEY9KF256490
    Stock: LFO250727A
    Certified Pre-Owned: No
    Listed since: 06-27-2025

  • New Listing
    $47,615
    fair price
    $931 below market
    • 96,875 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Joe Cooper Ford of Edmond (461 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Oklahoma City, OK / 461 miles away from Colorado Springs, CO

    JOE COOPER FORD OF EDMOND**405-475-9000**Recent Arrival! BLUETOOTH HANDS FREE, NO ACCIDENT HISTORY ON CARFAX!!!!, NAVIGATION/GPS/NAV, REAR VIEW CAME...

    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: 1GT42WEY2KF111985
    Stock: S111985
    Certified Pre-Owned: No
    Listed since: 07-14-2025

    • 178,978 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Copple Chevrolet GMC (484 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Louisville, NE / 484 miles away from Colorado Springs, CO

    2019 GMC Sierra 3500HD Denali Duramax 6.6L V8 Turbodiesel 4WD Allison 1000 6-Speed Automatic Recent Arrival! REAR BACKUP CAMERA, REMOTE START, BLUETOO...

    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: 1GT42WEY1KF225010
    Stock: G321350A
    Certified Pre-Owned: No
    Listed since: 07-29-2025

  • New Listing
    • 65,566 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • CarMax Albuquerque (270 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Albuquerque, NM / 270 miles away from Colorado Springs, CO

    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: 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: Yes

    Features and Specs:

    Listing Information:

    VIN: 1GT42WEY0KF181386
    Stock: 27451055
    Certified Pre-Owned: No

  • Advertisement

    2 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
    Stock photo**
    • 87,951 miles
    • 1 accident, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Greg Lair Buick GMC (309 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Canyon, TX / 309 miles away from Colorado Springs, CO

    NA.

    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: 1GT42WEY9KF257039
    Stock: G88062
    Certified Pre-Owned: No
    Listed since: 05-16-2025

  • $45,379
    good price
    $4,677 below market
    • 104,850 miles
    • 1 accident, 3 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • ClearShift Loveland (109 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Loveland, CO / 109 miles away from Colorado Springs, CO

    The 2018 GMC Sierra 3500HD SLT is a heavy-duty truck that combines incredible power with premium comfort, making it perfect for both work and leisure....

    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: 1GT42XCY9JF112798
    Stock: 112798T
    Certified Pre-Owned: No
    Listed since: 02-19-2025

  • Stock photo**
    $49,290
    good price
    $3,524 below market
    • 69,991 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • O'Meara Ford (72 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Northglenn, CO / 72 miles away from Colorado Springs, CO

    CARFAX One-Owner. Clean CARFAX. White Frost Tricoat 2018 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel Local...

    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: 1GT42YEY4JF238103
    Stock: MP6303A
    Certified Pre-Owned: No
    Listed since: 07-19-2025

  • Stock photo**
    $53,476
    good price
    $2,391 below market
    • 53,742 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Pueblo Toyota (39 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Pueblo, CO / 39 miles away from Colorado Springs, 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: 1GT49UEY8LF171304
    Stock: 258248B
    Certified Pre-Owned: No
    Listed since: 07-14-2025

  • Advertisement

    2 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.
  • $47,000
    good price
    $2,140 below market
    • 92,660 miles
    • 2 accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Salt Lake Valley Buick GMC (396 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Salt Lake City, UT / 396 miles away from Colorado Springs, CO

    2018 Sierra 3500HD DenaliOdometer is 758 miles below market average!CARFAX One-Owner.The sale price includes a $1,000 finance savings, availab...

    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: 1GT42YEY4JF239753
    Stock: G43782B
    Certified Pre-Owned: No
    Listed since: 05-30-2025

    • 108,918 miles
    • 1 accident, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Greg Lair Buick GMC (309 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Canyon, TX / 309 miles away from Colorado Springs, CO

    Onyx Black 2018 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: 1GT42YEY5JF161211
    Stock: 6830
    Certified Pre-Owned: No
    Listed since: 06-04-2025

  • Stock photo**
    • 134,486 miles
    • No accidents, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Tillery GMC (297 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Los Lunas, NM / 297 miles away from Colorado Springs, CO

    Summary2018 GMC Sierra 3500 HD Denali Four Wheel Drive Crew Cab. Clean Carfax! With having reputation for being one of the most dependable veh...

    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: Yes

    Features and Specs:

    Listing Information:

    VIN: 1GT42YEYXJF149300
    Stock: T25P053
    Certified Pre-Owned: No
    Listed since: 06-27-2025

  • New Listing
    • 16,965 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Modern Classic Motors (201 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Grand Junction, CO / 201 miles away from Colorado Springs, CO

    2020 GMC Sierra 3500HD Denali 10-Speed Automatic, 4WD, Jet Black Leather. 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselKBB Fair Market Range Hig...

    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: 1GT49WEY5LF267757
    Stock: 256VA
    Certified Pre-Owned: No
    Listed since: 08-02-2025

  • Advertisement

    2 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
    • 69,762 miles
    • No accidents, 1 owner, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Hansen Chevrolet GMC (420 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Brigham City, UT / 420 miles away from Colorado Springs, CO

    Clean CARFAX. Carbon Black Metallic 2020 GMC Sierra 3500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Sierra 3500HD AT4, Duramax 6.6L V8 T...

    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: 1GT49VEY4LF340899
    Stock: 6916
    Certified Pre-Owned: No
    Listed since: 07-29-2025

    • 71,165 miles
    • No accidents, 1 owner, personal use only
    • Country Auto (495 mi away)
    • Rearview cameras
    • Bluetooth connectivi...
    • Available navigation
    • Large trailers
    • Stability control
    Close

    Located in Blair, NE / 495 miles away from Colorado Springs, CO

    The 2018 GMC Sierra 3500 HD Crew Cab SLE Pickup 4D Dually is a heavy-duty truck built for both power and versatility. Equipped with a robust 6.6L V8 D...

    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: 1GT42WCY9JF287630
    Stock: P3745
    Certified Pre-Owned: No

    • 120,105 miles
    • Frame damage reported, 2 owners, corporate fleet vehicle
    • 8'2” bed, 6.6l, 8cyl
    • Lakeside Auto Brokers (2 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Colorado Springs, CO / 2 miles away from Colorado Springs, CO

    Carbon Black Metallic 2020 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Leather.La...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: Yes

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY0LF274986
    Stock: P16465
    Certified Pre-Owned: No
    Listed since: 06-04-2024

  • Stock photo**
    • 49,473 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Hansen Chevrolet GMC (420 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Brigham City, UT / 420 miles away from Colorado Springs, CO

    CARFAX One-Owner. Clean CARFAX. Dark Sky Metallic 2020 GMC Sierra 3500HD SLE 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Duramax 6.6L V8 Turbod...

    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: 1GT49TEY7LF254247
    Stock: 225457U
    Certified Pre-Owned: No
    Listed since: 07-03-2025

  • Advertisement

    2 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.
  • $39,995
    great price
    $5,521 below market
    • 118,758 miles
    • No accidents, 3 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Hatchco (406 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Layton, UT / 406 miles away from Colorado Springs, CO

    2019 GMC Sierra 3500HD SLT, Crew Cab, Short Bed - Clean Title - Clean CarFax- Emissions Compliant - Non Smoker - Rough Country Vertex front shocks wit...

    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: 1GT42VEYXKF232046
    Stock: 25151
    Certified Pre-Owned: No
    Listed since: 07-01-2025

  • New Listing
    • 173,415 miles
    • Conklin Newton Chevrolet (412 mi away)
    Close

    Located in Newton, KS / 412 miles away from Colorado Springs, CO

    2020 GMC Sierra 3500HD Denali Red Quartz Tintcoat 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Leather.Drive Forever limited l...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY1LF308255
    Stock: NP9985A
    Certified Pre-Owned: No
    Listed since: 08-04-2025

  • New Listing
    $47,910
    great price
    $2,987 below market
    • 97,028 miles
    • No accidents, 3 owners, personal use
    • 6'7” bed, 6.6l, 8cyl
    • Alpine Buick GMC (51 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Littleton, CO / 51 miles away from Colorado Springs, CO

    **WON'T LAST AT THIS PRICE, **ALL THE GOODIES, **LOCAL TRADE, Apple CarPlay/Android Auto, Driver Alert Package, Duramax Plus Package, Forward Collisio...

    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: 1GT42WEY5KF133818
    Stock: PKF133818
    Certified Pre-Owned: No
    Listed since: 06-12-2025

  • $55,999
    good price
    $5,296 below market
    • 71,448 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Interstate Ford (86 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Dacono, CO / 86 miles away from Colorado Springs, CO

    6.6L DURAMAX V8, TRAILER TOW, 5TH WHEEL HITCH KIT, NAVIGATION SYSTEM, HEATED/COOLED LEATHER-TRIMMED SEATS W/10-WAY POWER DRIVER/PASSENGER & DRIVER MEM...

    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: 1GT49UEY6MF192511
    Stock: D82892B
    Certified Pre-Owned: No
    Listed since: 07-24-2025

    • 156,133 miles
    • No accidents, 4 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Elite Motors (TX) (499 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in El Paso, TX / 499 miles away from Colorado Springs, 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: 1GT42YEY4JF164861
    Stock: 164861
    Certified Pre-Owned: No

Showing 1 - 21 out of 458 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 2019 GMC Sierra 3500HD in Colorado Springs, CO Values

Estimated values
2019 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$39,708$41,790$43,645
Clean$38,743$40,762$42,557
Average$37,136$39,048$40,743
Rough$35,047$36,820$38,386

The average list price of a used 2019 GMC Sierra 3500HD in Colorado Springs, Colorado is $49,233. The average mileage on a used GMC Sierra 3500HD 2019 for sale in Colorado Springs, Colorado is 95,032. Based on the average mileage of 95,032 for used 2019 GMC Sierra 3500HD for sale in Colorado Springs, CO 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 2019 in Colorado Springs, Colorado to be $37,136.

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