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363 listings
  • Price Drop
    $52,500
    great price
    $3,752 below market
    102,506 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Tasca Buick GMC Palm Harbor (129 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Palm Harbor, FL / 129 miles away from Melbourne, FL

    Family Owned and Operated for Four Generations!!! Although every reasonable effort has been made to ensure the accuracy of the information contained o...

    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: 1GT49REY3MF223291
    Stock: PH21886A
    Certified Pre-Owned: No
    Listed since: 03-09-2024

  • Price Drop
    $54,345
    great price
    $4,945 below market
    114,771 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Rivard Buick GMC (105 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Tampa, FL / 105 miles away from Melbourne, FL

    CARFAX One-Owner. Recent Arrival! Ebony Twilight Metallic 2021 GMC Sierra 2500HD Denali Duramax 6.6L V8 Turbodiesel 4WD 10-Speed Automatic Leather Sea...

    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: 1GT49REY6MF177438
    Stock: R2628A
    Certified Pre-Owned: No
    Listed since: 04-20-2024

  • Price Drop
    $63,638
    good price
    $4,359 below market
    28,271 miles
    No accidents, 2 Owners, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Rivard Buick GMC (105 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Tampa, FL / 105 miles away from Melbourne, FL

    Onyx Black 2021 GMC Sierra 2500HD Denali Duramax 6.6L V8 Turbodiesel 4WD 10-Speed Automatic Leather Seats, Heated/Cooled Seats, Backup/Rearview 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: 1GT49REY8MF261499
    Stock: R2479A
    Certified Pre-Owned: No
    Listed since: 03-30-2024

  • $64,998
    fair price
    $965 below market
    34,728 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Orange Park Chrysler Jeep Dodge Ram (162 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Jacksonville, FL / 162 miles away from Melbourne, FL

    2021 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Summit White*CLEAN CARFAX*, *LOCAL TRADE*, Sierra 2500HD Denali, 4D 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: 1GT49REY5MF109468
    Stock: 3154944A
    Certified Pre-Owned: No
    Listed since: 04-04-2024

  • Advertisement
    Also Consider

    4 Offers Nearby

    2024 GMC Sierra HD
    • 6 Colors
    • 2 Trims
    • 6 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.
  • 35,716 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Tasca Buick GMC Clearwater (129 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Clearwater, FL / 129 miles away from Melbourne, FL

    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: 1GT49REY0MF188998
    Stock: CLPH21842A
    Certified Pre-Owned: Yes
    Listed since: 04-24-2024

  • $68,682
    fair price
    $2,222 above market
    21,458 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Ed Morse Delray Toyota (119 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Delray Beach, FL / 119 miles away from Melbourne, FL

    Recent Arrival! Certified. Brownstone Metallic 2021 GMC Sierra 2500HD AT4 Equipped with, 6-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leath...

    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: 1GT49PE76MF214502
    Stock: F214502
    Certified Pre-Owned: No
    Listed since: 04-20-2024

  • 19,714 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Sullivan Buick GMC Trucks (120 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Ocala, FL / 120 miles away from Melbourne, FL

    Recent Arrival! CARFAX One-Owner. Summit White 2021 GMC Sierra 2500HD Denali Duramax 6.6L V8 Turbodiesel 4WD Fully Serviced and Detailed, Hill Descent...

    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: 1GT49REY2MF144131
    Stock: 368640
    Certified Pre-Owned: No
    Listed since: 02-02-2024

  • Price Drop
    44,469 miles
    No accidents, 1 Owner, Personal use
    6'10” Bed, 6.6L, 8cyl
    Coggin Buick-GMC of Orange Park (162 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Jacksonville, FL / 162 miles away from Melbourne, FL

    CARFAX One-Owner.Certified.Onyx Black 2021 GMC Sierra 2500HD Denali4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel**ALLOY WHEELS**, **ANDROID AUTO*...

    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: 1GT49REY2MF199484
    Stock: CGBP210170
    Certified Pre-Owned: Yes
    Listed since: 04-15-2024

  • Advertisement
    Also Consider

    4 Offers Nearby

    2024 GMC Sierra HD
    • 6 Colors
    • 2 Trims
    • 6 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
    70,258 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    AutoNation Ford Jacksonville (155 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Jacksonville, FL / 155 miles away from Melbourne, FL

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible Denali Ultimate Package Technology Package Assist Steps; Power-Retractable Sunroof; 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: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49REY5MF150277
    Stock: MF150277
    Certified Pre-Owned: No
    Listed since: 04-04-2024

  • 65,777 miles
    No accidents, 1 Owner, Personal use
    6'10” Bed, 6.6L, 8cyl
    Vera Buick GMC (145 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Pembroke Pines, FL / 145 miles away from Melbourne, FL

    Recent Arrival! CARFAX One-Owner. Certified. Pacific Blue Metallic 2021 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel *ACCI...

    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: 1GT49PEY6MF287054
    Stock: G380823A
    Certified Pre-Owned: Yes
    Listed since: 04-20-2024

  • $43,463
    great price
    $5,246 below market
    31,555 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Rivard Buick GMC (105 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Tampa, FL / 105 miles away from Melbourne, FL

    CARFAX One-Owner. Recent Arrival! Summit White 2022 GMC Sierra 2500HD Pro 6.6L V8 4WD 6-Speed Automatic Backup/Rearview Camera, Apple Car Play/Android...

    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: 1GT49LE76NF354785
    Stock: R2678A
    Certified Pre-Owned: No
    Listed since: 04-24-2024

  • New Listing
    Not provided
    No accidents, 2 Owners, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Gibson Truck World (62 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Sanford, FL / 62 miles away from Melbourne, FL

    Diesel, 4x4. $12,455 8inch Full-Throttle Suspension Lift on 26inch JTX Forged Wheels and 37inch Tires, $9,750 6.6L Duramax Turbo Diesel Engine, $2,990...

    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: 1GT49REY0MF132026
    Stock: 46360
    Certified Pre-Owned: No
    Listed since: 05-01-2024

  • 36,689 miles
    1 Accident, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Starling Buick GMC Stuart (67 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Stuart, FL / 67 miles away from Melbourne, FL

    2021 GMC Sierra 2500HD Denali, Cayenne Red Tintcoat, Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD CARFAX One-Owner. Bluetooth, Power Package, NA...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49REY3MF165117
    Stock: 165117T
    Certified Pre-Owned: No
    Listed since: 04-10-2024

  • Price Drop
    $70,998
    good price
    $4,537 below market
    19,927 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    CarMax Ft. Myers - Now offering Express Pickup and Home Delivery (127 mi away)
    Delivery available*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fort Myers, FL / 127 miles away from Melbourne, FL

    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: 1GT49REYXNF242731
    Stock: 25535361
    Certified Pre-Owned: No

  • New Listing
    $59,995
    great price
    $5,269 below market
    43,314 miles
    2 Accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Williamson Buick GMC (167 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Miami, FL / 167 miles away from Melbourne, FL

    CARFAX One-Owner. **NAVIGATION**, **4WD**, Fully Detailed, 10-Speed Automatic, 4WD, Jet Black Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-...

    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: 1GT49REYXLF105527
    Stock: 105527LT
    Certified Pre-Owned: No
    Listed since: 04-30-2024

  • $69,775
    fair price
    $3,667 below market
    15,375 miles
    No accidents, 2 Owners, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Starling Chevrolet Buick GMC (40 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Saint Cloud, FL / 40 miles away from Melbourne, FL

    2022 GMC Sierra 2500HD AT4, CLEAN CARFAX, NAVIGATION, SUNROOF, LEATHER, ALLOY WHEELS, BACKUP CAMERA, LANE ASSIST, FORWARD COLLISION ALERT, REAR CROSS ...

    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: 1GT49PE78NF360398
    Stock: 360398T
    Certified Pre-Owned: No
    Listed since: 04-19-2024

  • Price Drop
    $63,995
    good price
    $3,307 below market
    69,924 miles
    No accidents, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Braman BMW West Palm Beach (100 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in West Palm Beach, FL / 100 miles away from Melbourne, FL

    One-Owner Clean CARFAX Report, LOW LOW MILES, Local Trade, Power Moonroof, 10-Speed Automatic, 4WD, Jet Black Leather, Alloy wheels, Automatic Emergen...

    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: 1GT49REY5NF186844
    Stock: BU-08960A
    Certified Pre-Owned: No
    Listed since: 03-27-2024

  • $60,695
    good price
    $4,309 below market
    46,000 miles
    1 Accident, 2 Owners, Personal use
    6'10” Bed, 6.6L, 8cyl
    AutoNation Chevrolet Pembroke Pines (145 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pembroke Pines, FL / 145 miles away from Melbourne, FL

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible Denali Ultimate Package Technology Package Sunroof; Power Gooseneck / 5Th Wheel Package Su...

    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: 1GT49REY2LF339273
    Stock: LF339273
    Certified Pre-Owned: No
    Listed since: 04-26-2024

  • Price Drop
    $67,998
    fair price
    $2,415 below market
    39,129 miles
    No accidents, 2 Owners, Personal use only
    6'10” Bed, 6.6L, 8cyl
    CarMax Orlando - Now offering Express Pickup and Home Delivery (49 mi away)
    Free delivery available*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Orlando, FL / 49 miles away from Melbourne, FL

    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: 1GT49REY7NF229368
    Stock: 25548373
    Certified Pre-Owned: No

  • $62,225
    good price
    $3,580 below market
    50,382 miles
    1 Accident, 1 Owner, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Jacobs Mitsubishi (129 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in New Port Richey, FL / 129 miles away from Melbourne, FL

    CARFAX One-Owner. Priced below KBB Fair Purchase Price! Sierra 2500HD Denali, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Onyx ...

    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: 1GT49REY7LF163675
    Stock: P163675
    Certified Pre-Owned: No
    Listed since: 04-08-2024

  • $63,499
    good price
    $2,908 below market
    27,085 miles
    1 Accident, 2 Owners, Personal use only
    6'10” Bed, 6.6L, 8cyl
    Rivard Buick GMC (105 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Tampa, FL / 105 miles away from Melbourne, FL

    Pacific Blue Metallic 2020 GMC Sierra 2500HD Denali Duramax 6.6L V8 Turbodiesel 4WD 10-Speed Automatic Leather Seats, Backup/Rearview Camera, Apple Ca...

    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: 1GT49REY8LF255376
    Stock: R2549A
    Certified Pre-Owned: No
    Listed since: 04-11-2024

Showing 1 - 21 out of 363 listings

Consumer Reviews for the GMC Sierra 2500HD

Read recent reviews for the GMC Sierra 2500HD
Overall Consumer Rating
4.4 out of 5 stars23 Reviews
Write a vehicle reviewSee all 23 reviews
  • 5 star
    (74%)
  • 4 star
    (9%)
  • 3 star
    (4%)
  • 2 star
    (9%)
  • 1 star
    (4%)
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 2021 GMC Sierra 2500HD in Melbourne, FL Values

Estimated values
2021 GMC Sierra 2500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$48,524$53,155$58,003
Clean$47,766$52,250$56,934
Average$46,502$50,741$55,153
Rough$44,860$48,779$52,837

The average list price of a used 2021 GMC Sierra 2500HD in Melbourne, Florida is $63,168. The average mileage on a used GMC Sierra 2500HD 2021 for sale in Melbourne, Florida is 45,852. Based on the average mileage of 45,852 for used 2021 GMC Sierra 2500HD for sale in Melbourne, FL 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 2021 in Melbourne, Florida to be $46,502.

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Edmunds' ratings are backed by 15+ years of pricing research done by our data scientistsHow are ratings determined?We analyze millions of data points to generate our ratings. We look at vehicle configuration, options, history, nearby transactions, market pricing and more — the ratings are up-to-date and relevant to your search area.

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* Delivery of any kind does not apply to Alaska and Hawaii. Contact the dealer for delivery details, restrictions and costs.