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  • $43,995
    good price
    $2,496 below market
    • 109,434 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Lemans Cars (38 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Commack, NY / 38 miles away from New Haven, CT

    Dark Slate Metallic 2018 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic, 4WD, ...

    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: 1GT42YEY2JF190956
    Stock: 397LC
    Certified Pre-Owned: No
    Listed since: 02-17-2025

  • $67,987
    fair price
    $132 below market
    • 4,649 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (148 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Concord, NH / 148 miles away from New Haven, CT

    10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,2 Charge/Data USB Ports,2 Charge/Data USB Ports Inside Center...

    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: 1GT49UE74RF227559
    Stock: T27559A
    Certified Pre-Owned: Yes
    Listed since: 04-08-2025

  • $76,987
    fair price
    $238 below market
    • 4,254 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (148 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Concord, NH / 148 miles away from New Haven, CT

    12-Way Power Driver Seat Adjuster w/Lumbar,12-Way Power Passenger Seat Adjuster w/Lumbar,2 Charge/Data USB Ports Inside Center Console,2 Charge-Only R...

    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: 1GT49WE75RF166704
    Stock: T66704
    Certified Pre-Owned: Yes
    Listed since: 04-08-2025

  • $76,974
    fair price
    $758 below market
    • 23,845 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • Brustolon Buick GMC (51 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Mystic, CT / 51 miles away from New Haven, CT

    CARFAX One-Owner. Clean CARFAX. Sterling Metallic 2024 GMC Sierra 3500HD Denali 4D Crew Cab 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Family ...

    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: 1GT49WEY0RF275225
    Stock: 6562P
    Certified Pre-Owned: No
    Listed since: 03-19-2025

  • 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.
  • $37,944
    good price
    $2,491 below market
    • 44,944 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Matthews Buick GMC (167 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Vestal, NY / 167 miles away from New Haven, CT

    Summit White 2022 GMC Sierra 3500HD Pro 4WD 6-Speed Automatic 6.6L V8 6-Speed Automatic, 4WD, Black Cloth.Recent Arrival!Awards: * ALG Residual Value

    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: 1GT39SE71NF363898
    Stock: G4061A
    Certified Pre-Owned: Yes
    Listed since: 01-17-2025

  • New Listing
    Stock photo**
    $82,478
    good price
    $3,101 below market
    • 32,789 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Springfield GMC (141 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in North Springfield, VT / 141 miles away from New Haven, CT

    Take advantage of our exclusive Big Deal Plus+ plan which includes 2 years of UNLIMITED scheduled maintenance at no extra charge! You will enjoy 2 yea...

    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: 1GT49YEY1RF316988
    Stock: ST25342A
    Certified Pre-Owned: No
    Listed since: 05-23-2025

    • 15,327 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (27 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Danbury, CT / 27 miles away from New Haven, CT

    Clean CARFAX. Sierra 3500HD Denali Ultimate, Duramax 6.6L V8 Turbodiesel, 4WD, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-Dimming Ins...

    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: 1GT49YEY4RF364145
    Stock: A364145
    Certified Pre-Owned: No
    Listed since: 03-19-2025

  • $74,987
    fair price
    $2,020 below market
    • 54,510 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Brattleboro Auto Mall (109 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Brattleboro, VT / 109 miles away from New Haven, CT

    This 2024 Sterling Metallic GMC Sierra 3500HD Denali Ultimate 4WD is well equipped and includes these features and benefits: Gooseneck/5th Wheel Prep ...

    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: 1GT49YEY4RF373010
    Stock: G25235A
    Certified Pre-Owned: No
    Listed since: 05-22-2025

  • 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.
  • $67,995
    fair price
    $1,598 below market
    • 24,110 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Mangino Buick GMC (124 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Ballston Spa, NY / 124 miles away from New Haven, CT

    Certified. 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Be...

    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: 1GT49WEY3NF262270
    Stock: 614825A
    Certified Pre-Owned: Yes
    Listed since: 05-07-2025

  • $48,999
    good price
    $2,072 below market
    • 54,394 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • J&S Autohaus (122 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Ewing, NJ / 122 miles away from New Haven, CT

    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: 1GT49TEY1NF106016
    Stock: P1561
    Certified Pre-Owned: No
    Listed since: 03-12-2025

  • $54,709
    fair price
    $955 above market
    • 1,755 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Star GMC (131 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Easton, PA / 131 miles away from New Haven, CT

    **LOCAL TRADE IN, **BALANCE OF FACTORY WARRANTY, **CARFAX 1 OWNER, **BLUETOOTH, **BACKUP CAMERA, **USB PORT, **SATELLITE RADIO, **POWER DRIVERS SEAT, ...

    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: 1GT39TE70RF121342
    Stock: 140181A
    Certified Pre-Owned: Yes
    Listed since: 11-25-2024

  • $44,995
    fair price
    $1,525 below market
    • 95,260 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Mark's Discount Truck (135 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Londonderry, NH / 135 miles away from New Haven, CT

    Step into the black beauty that is this 2020 GMC Sierra 3500HD! With its sleek exterior and powerful performance, this truck is ready to take on any c...

    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: 1GT49UEY8LF120921
    Stock: MT9803
    Certified Pre-Owned: No
    Listed since: 03-27-2025

  • 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.
  • Price Drop
    $68,498
    fair price
    $1,317 above market
    • 18,882 miles
    • No accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Woodbridge Ford (89 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Woodbridge, NJ / 89 miles away from New Haven, CT

    This GMC won't be on the lot long! A comfortable ride in a go-anywhere vehicle! This 4 door, 5 passenger truck has not yet reached the 20,000 mile mar...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY1NF135016
    Stock: 25233A
    Certified Pre-Owned: No
    Listed since: 05-06-2025

  • $40,995
    fair price
    $881 below market
    • 35,993 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Mangino Buick GMC (124 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Ballston Spa, NY / 124 miles away from New Haven, CT

    120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Speakers, 2-Speaker Audio System Feature, 2-Speed Electronic Shift Transf...

    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: 1GT39SE72NF357317
    Stock: 63925A
    Certified Pre-Owned: Yes
    Listed since: 03-27-2025

  • New Listing
    Stock photo**
    $58,897
    good price
    $604 below market
    • 35,630 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Springfield GMC (141 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in North Springfield, VT / 141 miles away from New Haven, CT

    Take advantage of our exclusive Big Deal Plus+ plan which includes 2 years of UNLIMITED scheduled maintenance at no extra charge! You will enjoy 2 yea...

    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: 1GT49SEYXRF219995
    Stock: ST25226A
    Certified Pre-Owned: No
    Listed since: 05-28-2025

  • $61,998
    fair price
    $1,066 above market
    • 73,228 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Williams Cars and Trucks (191 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Elkton, MD / 191 miles away from New Haven, CT

    We would like to thank you for visiting our website and considering us for the purchase of your next pre-owned vehicle. It is our goal to provide 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: 1GT49WEY8NF198162
    Stock: 224U280
    Certified Pre-Owned: No
    Listed since: 11-20-2024

  • Advertisement

    Special offers available

    2025 GMC Sierra HD Denali
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • 11,776 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Romeo Ford (72 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Kingston, NY / 72 miles away from New Haven, CT

    Romeo Ford of Kingston proudly presents this 2024 GMC Sierra 3500HD with Convenience Package (Deep-Tinted Glass, Electric Rear-Window Defogger, EZ Lif...

    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: 1GT59SE74RF123467
    Stock: 24436AA
    Certified Pre-Owned: No
    Listed since: 05-09-2025

    • 10,465 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Chevrolet of Milford (11 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Milford, CT / 11 miles away from New Haven, CT

    Great time to get ahead of Tariffs pricing $$$... Get a good car, with a great price, from good people NOW & beat the price increase.Onyx Black 2022 G...

    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: 1GT49SE74NF208296
    Stock: UC8073
    Certified Pre-Owned: No
    Listed since: 01-29-2025

    • 8,306 miles
    • No accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (148 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Concord, NH / 148 miles away from New Haven, CT

    10-Way Power Driver Seat Adjuster w/Lumbar,2 Charge/Data USB Ports,2 Charge-Only Rear USB Ports,4-Way Manual Passenger Seat Adjuster,6-Speaker Audio S...

    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: 1GT59TE77RF292582
    Stock: T92582A
    Certified Pre-Owned: Yes
    Listed since: 04-08-2025

    • 9,884 miles
    • No accidents, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • CarMax Albany (109 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Albany, NY / 109 miles away from New Haven, CT

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

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT38RE75RF116997
    Stock: 26246750
    Certified Pre-Owned: No

    • 16,368 miles
    • No accidents, 1 owner, personal use only
    • Banks Chevrolet Buick GMC (148 mi away)
    • Upgraded Engine
    Close

    Located in Concord, NH / 148 miles away from New Haven, CT

    12-Way Power Driver Seat Adjuster w/Lumbar,12-Way Power Passenger Seat Adjuster w/Lumbar,2 Charge/Data USB Ports Inside Center Console,2 Charge-Only R...

    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: 1GT49WEY7RF198479
    Stock: T98479
    Certified Pre-Owned: Yes
    Listed since: 05-06-2025

Showing 64 - 84 out of 245 listings

Consumer Reviews for the GMC Sierra 3500HD

Read recent reviews for the GMC Sierra 3500HD
Overall Consumer Rating
4.6 out of 5 stars12 Reviews
Write a vehicle reviewSee all 12 reviews
  • 5 star
    (83%)
  • 4 star
    (0%)
  • 3 star
    (8%)
  • 2 star
    (8%)
  • 1 star
    (0%)
5 out of 5 stars

WHAT A TRUCK

Bill S., 04/05/2020
2020 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 6A)
I purchased this Denali two weeks ago. I absolutely love this truck. The ride is so smooth and power band is incredible. What a huge difference between my 2008 GMC 2500HD Duramax, its like night and day... I love all the high tech features with the 2020's from the cameras to the front and rear LED lighting. Oh yea forgot about that first of its kind tailgate. Now that's a very … useful tailgate, I can see Ford, Dodge and Chevrolet using the same basic tailgate in the near future. I really cant wait to haul my 5th wheel with this truck. Once I make that first trip I will update this review regarding the towing... A big thank you for Thompsons GMC in Placerville, CA for such a great purchasing experience. It’s been about a year since I purchased my GMC 3500 Denali and wanted to update my review. I still love this truck so much. I’ve towed my 5th wheel RV approximately 8000K miles. This truck tows my 5th wheel like a dream. The cooling system is definitely a 100% improvement over my 2008 while towing in the warmer weather. About the only thing I’d like to see is GM add more information to the heads up display (HUD) like your blind spot indicators. I’m glad we bought when we did because I hear that dealers are having a tough time receiving new trucks. Bottom line is this, I’d buy this truck all over again absolutely No Regrets!!!!
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Used 2018 GMC Sierra 3500HD in New Haven, CT 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$41,358$46,818$51,301
Clean$40,217$45,511$49,853
Average$38,315$43,333$47,439
Rough$35,842$40,502$44,301

The average list price of a used 2018 GMC Sierra 3500HD in New Haven, Connecticut is $60,999. The average mileage on a used GMC Sierra 3500HD 2018 for sale in New Haven, Connecticut is 32,657. Based on the average mileage of 32,657 for used 2018 GMC Sierra 3500HD for sale in New Haven, CT 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 New Haven, Connecticut to be $38,315.

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