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  • $46,400
    good price
    $5,256 below market
    • 111,744 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Irwin Chevrolet (171 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Laconia, NH / 171 miles away from New Haven, CT

    Priced below KBB Fair Purchase Price! Clean CARFAX. CARFAX One-Owner.10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.Ebony Twilight M...

    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: 1GT49VEY4MF310562
    Stock: CMPT026
    Certified Pre-Owned: No
    Listed since: 04-05-2025

  • Price Drop
    $67,487
    fair price
    $835 above market
    • 21,206 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (148 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    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 USB Ports (First Row),2 USB Ports Inside Console,2nd Row Du...

    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: 1GT49UEY2PF249680
    Stock: T49680
    Certified Pre-Owned: Yes
    Listed since: 04-18-2025

  • New Listing
    $59,998
    good price
    $2,196 below market
    • 69,332 miles
    • 6'10” bed, 6.6l, 8cyl
    • CarMax Waterbury (15 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Waterbury, CT / 15 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 Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEYXMF255850
    Stock: 26816717
    Certified Pre-Owned: No

  • $63,499
    fair price
    $674 above market
    • 28,835 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Lucas Chevrolet (134 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lumberton, NJ / 134 miles away from New Haven, CT

    Free CarFax History report available on all inventory. Please email or call 609.288.7623 for availability. 10-Speed Automatic, 4WD, Dark Walnut/Slate ...

    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: 1GT49UEY6PF258317
    Stock: P6758
    Certified Pre-Owned: No
    Listed since: 01-17-2025

  • 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
    $41,900
    fair price
    $1,099 above market
    • 54,058 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (71 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Lake Katrine, NY / 71 miles away from New Haven, CT

    Romeo GM Center Proudly presents this 2021 GMC Sierra 3500HD with Suspension Package, 2-Speed Electronic Shift Transfer Case, 3.73 Rear Axle Ratio, 4-...

    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: 1GT49SE75MF209536
    Stock: 25178A
    Certified Pre-Owned: No
    Listed since: 03-10-2025

  • New Listing
    • 55,765 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (148 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

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

    10-Way Power Driver Seat Adjuster w/Lumbar,2 USB Ports in Instrument Panel,2nd Row Dual USB Charge-Only Ports,4-Way Manual Passenger Seat Adjuster,6-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: 1GT49TE72PF254640
    Stock: T54640A
    Certified Pre-Owned: Yes
    Listed since: 04-28-2025

    • 32,896 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Copeland Chevrolet (109 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Brockton, MA / 109 miles away from New Haven, CT

    2 Keys, Sierra 3500HD AT4, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 4WD, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-...

    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: 1GT49VEY2PF138102
    Stock: C2198
    Certified Pre-Owned: No
    Listed since: 04-30-2025

  • Price Drop
    • 7,886 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Star GMC (130 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Easton, PA / 130 miles away from New Haven, CT

    **LOCAL TRADE IN, **BALANCE OF FACTORY WARRANTY, **CARFAX 1 OWNER, **CLEAN CARFAX!!!, **BLUETOOTH, **BACKUP CAMERA, **USB PORT, **SATELLITE RADIO, **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: 1GT39SE72PF235981
    Stock: 8691
    Certified Pre-Owned: No
    Listed since: 04-07-2025

  • 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.
  • Price Drop
    • 30,553 miles
    • No accidents, personal use only
    • Star GMC (130 mi away)
    • Sunroof/Moonroof
    • Upgraded Engine
    • Towing Hitch
    Close

    Located in Easton, PA / 130 miles away from New Haven, CT

    **LOCAL TRADE IN, **BALANCE OF FACTORY WARRANTY, **NAVIGATION, **SUNROOF, **LEATHER, **CARFAX 1 OWNER, **CLEAN CARFAX!!!, **BLUETOOTH, **BACKUP CAMERA...

    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: 1GT49WEY5PF118562
    Stock: 8673
    Certified Pre-Owned: No
    Listed since: 03-10-2025

  • Price Drop
    • 49,725 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
    • Sunroof/Moonroof
    Close

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

    This 2023 White Frost Tricoat GMC Sierra 3500HD Denali 4WD is well equipped and includes these features and benefits: Denali Ultimate Package (Power 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: 1GT49WEY1PF213748
    Stock: G25170A
    Certified Pre-Owned: No
    Listed since: 04-11-2025

  • Price Drop
    $41,995
    great price
    $6,228 below market
    • 27,315 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (71 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Lake Katrine, NY / 71 miles away from New Haven, CT

    New Price! Romeo GM Center Proudly presents this 2024 GMC Sierra 3500HD with Convenience Package (Deep-Tinted Glass, Electric Rear-Window Defogger, EZ...

    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: 1GT39SE75RF273644
    Stock: TC2558
    Certified Pre-Owned: No
    Listed since: 03-29-2025

    • 111,676 miles
    • No accidents, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Fairfield's Buick GMC (115 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Keene, NH / 115 miles away from New Haven, CT

    This 2021 Pacific Blue Metallic GMC Sierra 3500HD Denali 4WD is well equipped and includes these features and benefits:Clean CARFAX.Fairfield's Auto 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: 1GT49WEY6MF319334
    Stock: G25279A
    Certified Pre-Owned: No
    Listed since: 03-21-2025

  • 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.
  • $46,877
    great price
    $7,335 below market
    • 97,890 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Brattleboro Auto Mall (109 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

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

    Priced below KBB Fair Purchase Price! This 2020 Onyx Black GMC Sierra 3500HD AT4 4WD is well equipped and includes these features and benefits: AT4 Pr...

    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: 1GT49VEY9LF239762
    Stock: G25212A
    Certified Pre-Owned: No
    Listed since: 04-30-2025

  • Price Drop
    • 102,951 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Weirs GMC (190 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Arundel, ME / 190 miles away from New Haven, CT

    CLEAN CARFAX/NO ACCIDENTS REPORTED, ONE OWNER, RECENT TRADE, Sierra 3500HD SLE, 4D Crew Cab, 6.6L V8, 6-Speed Automatic, 4WD, Summit White, Black Clot...

    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: 1GT49TE74MF126928
    Stock: G24042A
    Certified Pre-Owned: Yes
    Listed since: 03-24-2025

  • Price Drop
    $74,987
    great price
    $9,983 below market
    • 27,439 miles
    • No accidents, 1 owner, 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: 1GT49WEY1RF160522
    Stock: T60522
    Certified Pre-Owned: Yes
    Listed since: 02-28-2025

  • Stock photo**
    • Not provided
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Fairfield's Buick GMC (115 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Keene, NH / 115 miles away from New Haven, CT

    CARFAX One-Owner. This 2023 Cayenne Red Tintcoat GMC Sierra 3500HD Denali 4WD is well equipped and includes these features and benefits:Fairfield's Au...

    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: 1GT49WEY5PF138228
    Stock: G25310A
    Certified Pre-Owned: No
    Listed since: 05-19-2025

  • 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.
  • Price Drop
    • 53,263 miles
    • 1 accident, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Weirs GMC (190 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Arundel, ME / 190 miles away from New Haven, CT

    ONE OWNER, RECENT TRADE, 4D Crew Cab, 6.6L V8, 6-Speed Automatic, 4WD, Summit White, Black Cloth, 2-Speed Electronic Shift Transfer Case, 220 Amp Alte...

    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: 1GT49SE7XMF165713
    Stock: G25143B
    Certified Pre-Owned: Yes
    Listed since: 03-20-2025

  • New Listing
    • 137,278 miles
    • Insurance loss reported, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Salvage Reseller North (57 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Marlboro, NY / 57 miles away from New Haven, CT

    This vehicle is located at Earlington, KY Copart yard. Join our online auctions to see its final price. All purchases must take place online at www.sa...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY5MF181544
    Stock: 56735155
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • $66,888
    great price
    $8,525 below market
    • 25,997 miles
    • 1 accident, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Bravo Auto Sales (173 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Whitesboro, NY / 173 miles away from New Haven, CT

    Factory Warranty! AT4 Premium Package! Body Color Wheel Arch Moldings! Gooseneck/Fifth Wheel Package! Console Vault! Rear Underseat Storage! Read More

    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: 1GT49VEY7NF184991
    Stock: 184991
    Certified Pre-Owned: No
    Listed since: 11-26-2024

  • New Listing
    Stock photo**
    • 78,579 miles
    • No accidents, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Springfield GMC (140 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in North Springfield, VT / 140 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: Title information not provided

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49VEY0MF266298
    Stock: ST25407A
    Certified Pre-Owned: No
    Listed since: 05-31-2025

  • Stock photo**
    • 78,343 miles
    • 1 accident, 2 owners, rental vehicle
    • 8'2” bed, 6.6l, 8cyl
    • INFINITI of West Chester (169 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in West Chester, PA / 169 miles away from New Haven, CT

    Recent Arrival! 2023 GMC Sierra 3500HD SLE SLE Summit White 4WD Duramax 6.6L V8 Turbodiesel 10-Speed AutomaticSee the rest of our inventory at www.inf...

    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: 1GT49TEYXPF191277
    Stock: P5286
    Certified Pre-Owned: No
    Listed since: 05-27-2025

Showing 22 - 42 out of 260 listings

Consumer Reviews for the GMC Sierra 3500HD

Read recent reviews for the GMC Sierra 3500HD
Overall Consumer Rating
4.3 out of 5 stars20 Reviews
Write a vehicle reviewSee all 20 reviews
  • 5 star
    (70%)
  • 4 star
    (0%)
  • 3 star
    (15%)
  • 2 star
    (15%)
  • 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 2021 GMC Sierra 3500HD in New Haven, CT 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$40,186$45,214$50,270
Clean$39,451$44,342$49,251
Average$38,225$42,888$47,552
Rough$36,631$40,998$45,344

The average list price of a used 2021 GMC Sierra 3500HD in New Haven, Connecticut is $56,011. The average mileage on a used GMC Sierra 3500HD 2021 for sale in New Haven, Connecticut is 57,273. Based on the average mileage of 57,273 for used 2021 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 2021 in New Haven, Connecticut to be $38,225.

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