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  • Price Drop
    $90,900
    good price
    $6,998 below market
    • 8,260 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Koons Clarksville Chevy GMC (460 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Clarksville, MD / 460 miles away from South Portland, ME

    GOOSENECK/5TH WHEEL PACKAGE! FULLY LOADED! $101,180 ORIGINAL MSRP! Bluetooth, 10-Speed Automatic, 4WD, Alpine Umber Leather, 120-Volt Bed Mounted Powe...

    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: 1GT4UYEY9SF149400
    Stock: KCCP250185
    Certified Pre-Owned: No
    Listed since: 06-18-2025

  • Price Drop
    • 6,347 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Key Chevrolet GMC of Newport (97 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Newport, NH / 97 miles away from South Portland, ME

    2025 GMC Sierra 3500HD SLT 6.6L V8 Volcanic Red Tintcoat 10-Speed Automatic, 4WD, Jet Black Leather.At Newport Chevrolet Buick GMC, you win!We 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: 1GT4UUE7XSF111951
    Stock: E12739A
    Certified Pre-Owned: No
    Listed since: 05-30-2025

  • $73,559
    good price
    $5,202 below market
    • 38,318 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • St. Johnsbury GMC (103 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Saint Johnsbury, VT / 103 miles away from South Portland, ME

    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: 1GT49VEY6RF140485
    Stock: SJG250399B
    Certified Pre-Owned: Yes
    Listed since: 06-26-2025

  • Price Drop
    $71,487
    good price
    $4,140 below market
    • 4,254 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (68 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Concord, NH / 68 miles away from South Portland, ME

    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

  • 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.
  • $75,295
    good price
    $6,095 below market
    • 16,095 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Ingersoll Auto of Danbury (221 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Danbury, CT / 221 miles away from South Portland, ME

    Odometer is 7043 miles below market average! CARFAX One-Owner. Clean CARFAX. Adaptive Cruise Control, AT4 Preferred Package, AT4 Premium Plus Package,...

    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: 1GT49VEY6RF211541
    Stock: A211541
    Certified Pre-Owned: No
    Listed since: 07-16-2025

  • Stock photo**
    $72,999
    great price
    $10,834 below market
    • 50,267 miles
    • 1 accident, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Key GMC of Rochester (41 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Rochester, NH / 41 miles away from South Portland, ME

    10-Speed Automatic, 4WD, Alpine Umber Leather.Thank you for shopping with Key GMC of Rochester, part of the Key Auto Group Family of Dealerships and...

    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: 1GT49YEY2RF202420
    Stock: G21722A
    Certified Pre-Owned: No
    Listed since: 06-03-2025

  • $84,890
    fair price
    $2,165 below market
    • 7,405 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Kia Of Riverdale (274 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Riverdale, NJ / 274 miles away from South Portland, ME

    Onyx Black 2024 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Lane keep assist, Keyless start, Power folding mi...

    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: 1GT49YEY8RF396693
    Stock: 396693C01
    Certified Pre-Owned: No
    Listed since: 06-17-2025

  • $84,990
    fair price
    $2,069 below market
    • 7,389 miles
    • No accidents, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Kia Of Riverdale (274 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Riverdale, NJ / 274 miles away from South Portland, ME

    Sterling Metallic 2024 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Trailering Package, Google Built-In Servic...

    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: 1GT49YEY2RF306583
    Stock: 306583C01
    Certified Pre-Owned: No
    Listed since: 06-17-2025

  • 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.
  • Price Drop
    • 23,769 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Ideal Buick GMC (470 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Frederick, MD / 470 miles away from South Portland, ME

    APPLE CARPLAY / ANDROID AUTO, LOCAL TRADE, TRITON CERTIFIED 100K MILE WARRANTY, 10-Speed Automatic, 4WD, Alpine Umber Leather. Ideal Hyundai Buick GMC...

    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: 1GT49YEY8RF129537
    Stock: T121870D
    Certified Pre-Owned: Yes
    Listed since: 07-16-2025

  • $50,986
    fair price
    $867 below market
    • 1,755 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Star GMC (326 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Easton, PA / 326 miles away from South Portland, ME

    **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

  • Price Drop
    $54,987
    fair price
    $648 above market
    • 16,590 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (68 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Concord, NH / 68 miles away from South Portland, ME

    2 Charge/Data USB Ports,4-Way Manual Driver Seat Adjuster,4-Way Manual Passenger Seat Adjuster,6-Speaker Audio System Feature,Air Conditioning,AM/FM r...

    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: 1GT49SE76RF118184
    Stock: T18184
    Certified Pre-Owned: No
    Listed since: 06-26-2025

  • $56,995
    fair price
    $1,293 below market
    • 40,776 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Handy Toyota (162 mi away)
    • Five Star Dealer
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Saint Albans, VT / 162 miles away from South Portland, ME

    Clean CARFAX. Summit White 2024 GMC Sierra 3500HD Pro 4D Crew Cab 10-Speed Automatic 4WD Duramax 6.6L V8 Turbodiesel Here at Handy Cars of St. Albans,...

    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: 1GT49SEY1RF105805
    Stock: 46319A
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • 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.
  • $73,995
    fair price
    $1,009 below market
    • 28,270 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Seacoast Mazda (45 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Portsmouth, NH / 45 miles away from South Portland, ME

    Black 2024 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Leather.Recent Arrival!

    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: 1GT49WEY6RF119061
    Stock: U1963
    Certified Pre-Owned: No
    Listed since: 02-28-2025

  • Price Drop
    • 16,368 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (68 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Concord, NH / 68 miles away from South Portland, ME

    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

  • $73,932
    fair price
    $1,642 below market
    • 32,735 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Heinrich Chevrolet (423 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Lockport, NY / 423 miles away from South Portland, ME

    2024 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Carfax 1-Owner/No Accident, Duramax 6.6L V8 Turbodiesel, 4WD, 120-Volt Bed Mounted Power Outlet, ...

    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: 1GT49WEY4RF262848
    Stock: 8083P
    Certified Pre-Owned: No
    Listed since: 07-07-2025

  • Stock photo**
    $51,999
    fair price
    $2,027 below market
    • 29,990 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Key GMC of Rochester (41 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Rochester, NH / 41 miles away from South Portland, ME

    10-Speed Automatic, 4WD, Black Cloth.Thank you for shopping with Key GMC of Rochester, part of the Key Auto Group Family of Dealerships and home to ...

    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: 1GT49SE79RF253093
    Stock: P12620
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • 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.
    • 9,478 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Thomas Buick GMC (498 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Johnstown, PA / 498 miles away from South Portland, ME

    EquipmentThe vehicle's Lane Departure Warning helps keep you in your lane. This 1 ton pickup features a hands-free Bluetooth phone system. The...

    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: 1GT49YEY1RF356195
    Stock: UE356195
    Certified Pre-Owned: No
    Listed since: 06-30-2025

  • Price Drop
    • 8,826 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (68 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Concord, NH / 68 miles away from South Portland, ME

    2 Charge/Data USB Ports,2-Speaker Audio System Feature,4-Way Manual Driver Seat Adjuster,4-Way Manual Passenger Seat Adjuster,Air Conditioning,AM/FM 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: 1GT39SE73RF106909
    Stock: T06909
    Certified Pre-Owned: Yes
    Listed since: 06-17-2025

  • $79,990
    fair price
    $45 above market
    • 19,204 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Sarat Ford Lincoln (159 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Agawam, MA / 159 miles away from South Portland, ME

    Sarat Ford Lincoln is honored to present a wonderful example of pure vehicle design... this 2024 GMC Sierra 3500HD Denali only has 19,204mi on it 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: 1GT49WEY5RF143934
    Stock: E0510A
    Certified Pre-Owned: No
    Listed since: 07-27-2025

  • New Listing
    Stock photo**
    $56,987
    fair price
    $673 below market
    • 23,015 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Springfield GMC (113 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in North Springfield, VT / 113 miles away from South Portland, ME

    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: 1GT49TE70RF277594
    Stock: ST25464AA
    Certified Pre-Owned: No
    Listed since: 07-30-2025

    • 21,966 miles
    • No accidents, personal use only
    • Banks Chevrolet Buick GMC (68 mi away)
    • Upgraded Engine
    Close

    Located in Concord, NH / 68 miles away from South Portland, ME

    12-Way Power Driver Seat Adjuster w/Lumbar,12-Way Power Passenger Seat Adjuster w/Lumbar,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside 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: 1GT49WEY5RF409405
    Stock: T09405A
    Certified Pre-Owned: No
    Listed since: 06-27-2025

Showing 1 - 21 out of 342 listings

Consumer Reviews for the GMC Sierra 3500HD

Read recent reviews for the GMC Sierra 3500HD
Overall Consumer Rating
4 out of 5 stars25 Reviews
Write a vehicle reviewSee all 25 reviews
  • 5 star
    (64%)
  • 4 star
    (0%)
  • 3 star
    (16%)
  • 2 star
    (16%)
  • 1 star
    (4%)
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 2025 GMC Sierra 3500HD in South Portland, ME Values

Estimated values
2025 GMC Sierra 3500HD Denali Ultimate 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
OutstandingN/AN/AN/A
CleanN/AN/AN/A
AverageN/AN/AN/A
RoughN/AN/AN/A

The average list price of a used 2025 GMC Sierra 3500HD in South Portland, Maine is $71,473. The average mileage on a used GMC Sierra 3500HD 2025 for sale in South Portland, Maine is 19,575. Based on the average mileage of 19,575 for used 2025 GMC Sierra 3500HD for sale in South Portland, ME 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 2025 in South Portland, Maine to be N/A.

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