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  • Price Drop
    $55,000
    great price
    $11,834 below market
    • 71,191 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Alden GMC (94 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Fairhaven, MA / 94 miles away from Hartford, CT

    This GMC Sierra 2500HD delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WIRELESS CHARGING, WINTER GRILLE COVER, W...

    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: 1GT49PEY4PF150179
    Stock: 150179T1
    Certified Pre-Owned: No
    Listed since: 04-11-2025

  • Price Drop
    $61,987
    great price
    $5,110 below market
    • 50,225 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (115 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Concord, NH / 115 miles away from Hartford, CT

    10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,2 USB Ports (1st Row),2nd Row Dual USB Charge-Only Ports,Appl...

    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: 1GT49REY5PF169352
    Stock: T69352A
    Certified Pre-Owned: Yes
    Listed since: 04-28-2025

  • $68,987
    good price
    $4,178 below market
    • 31,368 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (115 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Concord, NH / 115 miles away from Hartford, CT

    10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,2 USB Ports (1st Row),2nd Row Dual USB Charge-Only Ports,All-...

    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: 1GT49REYXPF244773
    Stock: T44773
    Certified Pre-Owned: Yes
    Listed since: 07-01-2025

  • New Listing
    $63,895
    good price
    $3,195 below market
    • 48,714 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Bill Rapp GMC (194 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Syracuse, NY / 194 miles away from Hartford, CT

    Recent Oil Change, Dealer Detailed, Dealer Inspected, 10-Speed Automatic, 4WD, Dark Walnut/Dark Ash Grey Leather. Ebony Twilight Metallic 2023 GMC Sie...

    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: 1GT49REYXPF106442
    Stock: G13961A
    Certified Pre-Owned: No
    Listed since: 06-24-2025

  • Advertisement

    4 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
    $63,495
    good price
    $3,297 below market
    • 46,416 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Herb Connolly Chevrolet (75 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Framingham, MA / 75 miles away from Hartford, CT

    Clean CARFAX - CARFAX One-Owner - CarBravo Certified - 4WD - 6.6L V8 Diesel - Crew Cab - Denali Ultimate Package - Power Sunroof - Navigation System -...

    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: 1GT49REY4PF202440
    Stock: CSG255420A
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • New Listing
    $63,500
    good price
    $4,066 below market
    • 58,739 miles
    • No accidents, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Albrecht Buick GMC of Wakefield (97 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Wakefield, MA / 97 miles away from Hartford, 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: 1GT49REY8PF156692
    Stock: 25207B
    Certified Pre-Owned: Yes
    Listed since: 04-24-2025

  • New Listing
    $58,256
    fair price
    $2,210 below market
    • 48,828 miles
    • 6'10” bed, 6.6l, 8cyl
    • Key GMC of Rochester (137 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Rochester, NH / 137 miles away from Hartford, CT

    Recent Arrival!10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.Thank you for shopping with Key GMC of Rochester, part of the Key ...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GT49PEY9PF255784
    Stock: JJ10725A
    Certified Pre-Owned: No
    Listed since: 07-31-2025

  • Price Drop
    • 38,793 miles
    • No accidents, 2 owners, rental vehicle
    • 8'2” bed, 6.6l, 8cyl
    • Romeo Chevrolet Buick GMC (68 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Lake Katrine, NY / 68 miles away from Hartford, CT

    Certified. Romeo GM Center Proudly presents this 2023 GMC Sierra 2500HD with Preferred Equipment Group 3SA (2-Speed Electronic Shift Transfer Case, Ch...

    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: 1GT49ME75PF248689
    Stock: 25334A
    Certified Pre-Owned: Yes
    Listed since: 06-18-2025

  • Advertisement

    4 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
    $49,999
    fair price
    $656 above market
    • 31,483 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Key Motors of South Burlington (185 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in South Burlington, VT / 185 miles away from Hartford, CT

    6-Speed Automatic, 4WD, Black Cloth. CARFAX One-Owner. Clean CARFAX. Quicksilver Metallic 2023 GMC Sierra 2500HD SLE 4WD 6-Speed Automatic 6.6L V8The ...

    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: 1GT49ME78PF146979
    Stock: C62224A
    Certified Pre-Owned: No
    Listed since: 07-07-2025

  • Price Drop
    $60,987
    fair price
    $1,761 above market
    • 60,327 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (115 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Concord, NH / 115 miles away from Hartford, CT

    10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,2 USB Ports (1st Row),2nd Row Dual USB Charge-Only Ports,6-Sp...

    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: 1GT49PEY3PF118470
    Stock: T18470A
    Certified Pre-Owned: Yes
    Listed since: 06-05-2025

  • $58,690
    fair price
    $1,706 above market
    • 48,928 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Hyundai of Trenton (151 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Ewing, NJ / 151 miles away from Hartford, CT

    Onyx Black 2023 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Forward collision alert, Keyless start, Front & rear parking ...

    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: 1GT49PEY3PF260382
    Stock: 260382C01
    Certified Pre-Owned: No
    Listed since: 06-05-2025

  • $63,990
    fair price
    $623 above market
    • 59,005 miles
    • No accidents, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Star GMC Quakertown (166 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Quakertown, PA / 166 miles away from Hartford, CT

    GM CERTIFIED, CLEAN CARFAX 1 OWNER, 10-Speed Automatic, 4WD, Leather, 5th Wheel & Gooseneck Trailer Wiring Provisions, Automatic Emergency Braking, Dr...

    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: 1GT49REY0PF182221
    Stock: 2381
    Certified Pre-Owned: No
    Listed since: 07-03-2025

  • Advertisement

    4 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.
    • 79,619 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Marty’s GMC (103 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Kingston, MA / 103 miles away from Hartford, CT

    *EXCELLENT Service History!*, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power ...

    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: 1GT59NEY2PF243338
    Stock: 225656A
    Certified Pre-Owned: No
    Listed since: 06-27-2025

    • 25,173 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Generation Buick GMC (73 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Bohemia, NY / 73 miles away from Hartford, CT

    Thank you for choosing Generation Buick GMC, Long Island's Newest Buick GMC dealer!Certified. 2023 GMC Sierra 2500HD Denali Quicksilver Metallic CREW...

    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: 1GT49RE72PF128281
    Stock: U1108T
    Certified Pre-Owned: Yes
    Listed since: 05-22-2025

    • 31,120 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Dartmouth Nissan (88 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Dartmouth, MA / 88 miles away from Hartford, CT

    One Owner, 6-Speed Automatic, 4WD, Black Cloth, Heated Driver & Front Outboard Passenger Seats, Heated Steering Wheel, Integrated Trailer Brake Contro...

    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: 1GT59ME76PF134947
    Stock: AX4547
    Certified Pre-Owned: No
    Listed since: 01-23-2025

    • 67,151 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • D'Addario Nissan (39 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Shelton, CT / 39 miles away from Hartford, CT

    Certified. 2023 GMC Sierra 2500HD SLE 4WD 6-Speed Automatic 6.6L V8 6-Speed Automatic, 4WD, Black Cloth. CARFAX One-Owner. GMC Certified Pre-Owned Det...

    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: 1GT59ME75PF218953
    Stock: G5181A
    Certified Pre-Owned: No
    Listed since: 02-25-2025

  • Advertisement

    4 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.
    • 43,015 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Fred Beans Ford (161 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Doylestown, PA / 161 miles away from Hartford, CT

    2023 GMC Sierra 2500HD Denali Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD 4D Crew Cab Summit White Local Trade, 3 Month / 4,000 Mile Comprehens...

    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: 1GT49REY2PF175836
    Stock: FU46801
    Certified Pre-Owned: No
    Listed since: 05-12-2025

  • $59,133
    great price
    $12,343 below market
    • 23,400 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Marty's Chevrolet of Bourne (109 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Bourne, MA / 109 miles away from Hartford, CT

    Priced below KBB Fair Purchase Price! CARFAX One-Owner. Clean CARFAX. Odometer is 36659 miles below market average!Pacific Blue Metallic 2022 GMC 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: 1GT49NEY0NF304808
    Stock: C26007A
    Certified Pre-Owned: No
    Listed since: 07-23-2025

  • $53,900
    great price
    $9,388 below market
    • 90,445 miles
    • 1 accident, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • BM MotorCars (114 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Linden, NJ / 114 miles away from Hartford, CT

    NAVIGATION SYSTEM, BRAKE ASSIST, BLIND SPOT MONITORING, BACKUP CAMERA, SUNROOF, BLUETOOTH CONNECTIVITY, COOLED SEATS, HEATED LEATHER SEATS, HEATED SEA...

    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: 1GT49REY5NF124019
    Stock: 124019C01
    Certified Pre-Owned: No
    Listed since: 06-17-2025

  • New Listing
    $68,487
    great price
    $8,934 below market
    • 25,824 miles
    • No accidents, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Banks Chevrolet Buick GMC (115 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Concord, NH / 115 miles away from Hartford, CT

    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: 1GT49RE74RF310826
    Stock: T10826
    Certified Pre-Owned: Yes
    Listed since: 05-09-2025

  • New Listing
    Stock photo**
    • 14,671 miles
    • 6'10” bed, 6.6l, 8cyl
    • Honda Westborough (64 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Westborough, MA / 64 miles away from Hartford, CT

    Navigation, Heated Leather Seats, 4x4, Back-Up Camera, Trailer Hitch, Bed Liner, Alloy Wheels. KEY FEATURES INCLUDE Navigation, Back-Up Camera, Leathe...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GT49REY1PF131777
    Stock: HWP9411
    Certified Pre-Owned: No
    Listed since: 07-31-2025

Showing 1 - 21 out of 791 listings

Consumer Reviews for the GMC Sierra 2500HD

Read recent reviews for the GMC Sierra 2500HD
Overall Consumer Rating
4.3 out of 5 stars35 Reviews
Write a vehicle reviewSee all 35 reviews
  • 5 star
    (71%)
  • 4 star
    (11%)
  • 3 star
    (3%)
  • 2 star
    (6%)
  • 1 star
    (9%)
4 out of 5 stars

Love the looks, love the power, love the economy

Rick B., 03/18/2021
2020 GMC Sierra 2500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 6A)
I purchased a 2020 Sierra 2500HD AT4 (Duramax) in November of 2020. This thing is a BEAST and a joy to drive. I've put almost 131K miles on it thus far and have not had a single issue. IMHO, the interior is better than a Ford but trails behind the Dodge. However, just because it seems less capable with technology isn't necessarily true. I have physical switches for many things that … the Dodge incorporates in their big screen. I MUCH prefer the switches because I don't have to go through electronic pages to find what I'm looking for. The seats are a bit hard but are very supportive. I'm averaging a 21mpg with it at this point but the majority (80%) of my driving is highway speeds. In an attempt see just how good of gas mileage I could get, I drove a cruise controlled speed of 55 mph on a VERY flat 2 lane road for a little over 75 miles. My results, 29.3mpg, yep, you read that right. As I get up to interstate cruising speed it's much closer to 22mpg. I have hauled my 6,000 pound boat a couple of times with it and it still gets around 14mpg. Speaking of hauling the boat, this thing tows like a dream. The cameras, mirrors and tow-haul mode work great and if I couldn't see the boat in my mirrors, I would hardly know it's there. The voice command menu and responsiveness is great, no issues with it and it has always recognized what I'm asking for. The Bose speakers produce more than I can listen to, and the cab is quiet enough for conference calls when I'm travelling for work. The in-cab outlet is perfect for charging my laptop on the go and allows my wife to use the computer when we travel without killing the battery. I put a hardcover on the bed but with the multipro tailgate I rarely have to do anything with it, and I make a LOT of trips to the lumber yard for 8'+ lumber. All I have to do is drop the upper portion of the tailgate and the long lumber slides right in and is safe and secure. One thing I would criticize. It doesn't match up when compared to the other makers off-roading capabilities (manual/push button locking differentials), but I didn't really buy it for that. If you want something to do some relatively challenging off-road cruising, look elsewhere. I could go on, but suffice it to say that I LOVE this truck and would absolutely recommend it without hesitation.
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Used 2023 GMC Sierra 2500HD in Hartford, CT Values

Estimated values
2023 GMC Sierra 2500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$46,299$49,279$52,639
Clean$45,690$48,547$51,769
Average$44,676$47,328$50,319
Rough$43,357$45,743$48,433

The average list price of a used 2023 GMC Sierra 2500HD in Hartford, Connecticut is $59,276. The average mileage on a used GMC Sierra 2500HD 2023 for sale in Hartford, Connecticut is 47,354. Based on the average mileage of 47,354 for used 2023 GMC Sierra 2500HD for sale in Hartford, 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 2500HD 2023 in Hartford, Connecticut to be $44,676.

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Interior Color

Total Seating

Edmunds Review

Features

Options & Packages

Listing Details