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  • $43,995
    fair price
    $638 above market
    • 22,977 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Sullivan Buick GMC Trucks (111 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Ocala, FL / 111 miles away from Melbourne, FL

    Summit White 2021 GMC Sierra 2500HD Base 6.6L V8 6-Speed Automatic 4WD Fully Serviced and Detailed, 2-Speed Electronic Shift Transfer Case, Apple CarP...

    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: 1GT49LE75MF213222
    Stock: 25K274H
    Certified Pre-Owned: No
    Listed since: 05-09-2025

  • New Listing
    $55,569
    fair price
    $1,952 above market
    • 37,314 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Garber Buick GMC of Ft Pierce (63 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Fort Pierce, FL / 63 miles away from Melbourne, FL

    SAVE NOW DURING GARBER PRE-OWNED Sales Event! CARFAX One-Owner. Clean CARFAX. CLEAN CARFAX/1 OWNER, BACKUP CAMERA, BED LINER, BLIND SPOT MONITOR, BLUE...

    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: 1GT49NEY7MF183290
    Stock: 7183290T
    Certified Pre-Owned: No
    Listed since: 02-14-2025

  • $57,751
    fair price
    $1,435 above market
    • 52,818 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Tom Gibbs Chevrolet (92 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Palm Coast, FL / 92 miles away from Melbourne, FL

    Ebony Twilight Metallic 2019 GMC Sierra 2500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel CarFax One Owner, CarFax Clean, 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: 1GT12SEY8KF261174
    Stock: 25651W
    Certified Pre-Owned: No
    Listed since: 05-13-2025

  • $53,991
    fair price
    $1,291 above market
    • 96,350 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Plaza Chrysler Jeep Dodge Ram (110 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Inverness, FL / 110 miles away from Melbourne, FL

    2021 GMC Sierra 2500HD AT4The Plaza Promise: We create Value beyond the sale that happens today by helping to positively empower the community 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: 1GT49PEY4MF318589
    Stock: CD1618
    Certified Pre-Owned: No
    Listed since: 05-05-2025

  • 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.
    • 62,409 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Delray Buick GMC (130 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Delray Beach, FL / 130 miles away from Melbourne, FL

    Clean CARFAX. Odometer is 49839 miles below market average!Allison 1000 6-Speed Automatic, 4WD, Leather, 8 Multi-Color Driver Instrument Info Display,...

    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: 1GT12SEY3KF178879
    Stock: 178879U
    Certified Pre-Owned: No
    Listed since: 04-25-2025

  • Price Drop
    $47,555
    fair price
    $259 below market
    • 108,570 miles
    • 1 accident, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Coggin Buick-GMC of Orange Park (151 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Jacksonville, FL / 151 miles away from Melbourne, FL

    RECALL NOTICE: Some vehicles offered for sale may be subject to unrepaired manufacturer safety recalls. To determine the recall status of a vehicle, v...

    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: 1GT12SEY3KF125227
    Stock: CGB250452A
    Certified Pre-Owned: No
    Listed since: 05-13-2025

  • $52,490
    fair price
    $508 above market
    • 105,047 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • North Miami Mitsubishi (160 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Miami Gardens, FL / 160 miles away from Melbourne, FL

    2021 GMC Sierra 2500HD Denali Silver 4D Crew Cab Duramax 6.6L V8 Turbodiesel10-Speed Automatic, 4WD, Black Leather.Clean CARFAX.STOP OVERPAYING...

    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: 1GT19REY0MF250886
    Stock: 250886C01
    Certified Pre-Owned: No
    Listed since: 02-13-2025

  • New Listing
    $60,295
    fair price
    $1,394 below market
    • 71,416 miles
    • 1 accident, 3 owners, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • Jacobs Mitsubishi (124 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in New Port Richey, FL / 124 miles away from Melbourne, FL

    Check out this 2021 GMC Sierra 2500HD Denali finished in Pacific Blue Metallic with a Dark Walnut/Dark Ash Grey interior. This vehicle is equipped wit...

    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: 1GT49REY0MF144029
    Stock: K144029
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • 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.
    • 112,981 miles
    • 2 accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Starling GMC (27 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Titusville, FL / 27 miles away from Melbourne, FL

    White Frost Tricoat 2021 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Dark Walnut/Dark Ash Gre...

    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: 1GT49REY5MF144995
    Stock: 144995T
    Certified Pre-Owned: No
    Listed since: 04-25-2025

    • 39,079 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Mercedes-Benz of North Orlando (56 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Sanford, FL / 56 miles away from Melbourne, FL

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleDenali Ultimate PackageTechnology PackageWhite Frost TricoatSunroof; PowerSun/Moonroof...

    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: 1GT49REY1MF223404
    Stock: MF223404
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • Price Drop
    • 82,961 miles
    • 2 accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Jacobs Mitsubishi (124 mi away)
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    • USB Inputs
    Close

    Located in New Port Richey, FL / 124 miles away from Melbourne, FL

    Check out this 2021 GMC Sierra 2500HD SLE finished in Summit White with a Jet Black interior. This vehicle is equipped with the following features 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: 1GT48MEY0MF238272
    Stock: K238272
    Certified Pre-Owned: No
    Listed since: 04-22-2025

    • 105,583 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Salvage Reseller (137 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Coconut Creek, FL / 137 miles away from Melbourne, FL

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

    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: Yes

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49REY5MF249200
    Stock: 45303675
    Certified Pre-Owned: No
    Listed since: 02-05-2025

  • 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.
    • 113,867 miles
    • 1 accident, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Greenway Ford (42 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Orlando, FL / 42 miles away from Melbourne, FL

    ***Apple Car Play***Android Auto***, **4X4 **, **Back-Up Camera**, **Blind Spot Monitoring**, **Dual Zone Climate Control**, **Leather**, **Voice Cont...

    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: 1GT12SEYXKF241394
    Stock: KF241394
    Certified Pre-Owned: No
    Listed since: 04-10-2025

    • 48,634 miles
    • Frame damage reported, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Gibson Truck World (52 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Sanford, FL / 52 miles away from Melbourne, FL

    $12,995 8inch FTS Lift on 24inch Hostile Wheels and 37inch Nitto Tires, Paint Matched Wheel Arches, Power Running Boards, $9,890 6.6L Duramax Turbo-Di...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: Yes

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49PEY3MF164750
    Stock: 47052
    Certified Pre-Owned: No
    Listed since: 05-28-2025

  • New Listing
    • 28,186 miles
    • Frame damage reported, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Jacobs Mitsubishi (124 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in New Port Richey, FL / 124 miles away from Melbourne, FL

    Check out this 2019 GMC Sierra 2500HD Denali finished in Quicksilver Metallic with a Jet Black interior.***MCHAUGHYS 7-9" LIFT KITSPECIALTY FORGED 2...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: Yes

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT12SEY8KF230328
    Stock: K230328VM
    Certified Pre-Owned: No
    Listed since: 05-29-2025

    • 50,318 miles
    • 1 accident, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Plaza Chrysler Jeep Dodge Ram (110 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Inverness, FL / 110 miles away from Melbourne, FL

    2021 GMC Sierra 2500HD DenaliThe Plaza Promise: We create Value beyond the sale that happens today by helping to positively empower the community a...

    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: 1GT49REY7MF174094
    Stock: CD1574
    Certified Pre-Owned: No
    Listed since: 04-02-2025

  • 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.
  • $64,959
    great price
    $5,803 below market
    • 24,261 miles
    • 1 accident, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Rivard Buick GMC (103 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Tampa, FL / 103 miles away from Melbourne, FL

    CARFAX One-Owner. Ebony Twilight Metallic 2022 GMC Sierra 2500HD Denali Duramax 6.6L V8 Turbodiesel 4WD 10-Speed Automatic Leather Seats, Backup/Rearv...

    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: 1GT49REY9NF122631
    Stock: S2977A
    Certified Pre-Owned: No
    Listed since: 04-30-2025

  • New Listing
    Stock photo**
    • 20,768 miles
    • 8'2” bed, 6.6l, 8cyl
    • Jenkins Ford Lincoln of Crystal River (124 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Crystal River, FL / 124 miles away from Melbourne, FL

    The price does not include tax, tag, license, an electronic filing fee of $449.00**, a private tag agency fee of $199.00**, and a predelivery service ...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GT48NE77MF159596
    Stock: F2560A
    Certified Pre-Owned: No
    Listed since: 05-30-2025

  • Price Drop
    $44,659
    great price
    $6,895 below market
    • 132,154 miles
    • 1 accident, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Orange Buick GMC (50 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Orlando, FL / 50 miles away from Melbourne, FL

    **NEW ARRIVAL**, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power Outlet, 120-V...

    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: 1GT49PEY1LF287705
    Stock: SF240286A
    Certified Pre-Owned: No
    Listed since: 03-22-2025

    • 97,736 miles
    • 4 accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Tomlinson Motor Company (141 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Gainesville, FL / 141 miles away from Melbourne, FL

    SLT 4WD Crew Cab with 8' Bed Navigation Leather Android Auto Apple Carplay Backup Camera Power Seats with Driver's Memory Function & Lumbar Support He...

    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: 1GT49NE74MF176188
    Stock: 13175A
    Certified Pre-Owned: No
    Listed since: 02-06-2025

  • Price Drop
    $59,011
    great price
    $6,557 below market
    • 36,795 miles
    • 1 accident, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Central Buick GMC (65 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Winter Haven, FL / 65 miles away from Melbourne, FL

    CARFAX One-Owner. Priced below KBB Fair Purchase Price! Odometer is 46339 miles below market average! Certified. 20 WHEELS, 5TH WHEEL PREP PACKAGE, CO...

    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: 1GT49REY6LF261046
    Stock: 248572A
    Certified Pre-Owned: No
    Listed since: 04-20-2025

Showing 22 - 42 out of 482 listings

Consumer Reviews for the GMC Sierra 2500HD

Read recent reviews for the GMC Sierra 2500HD
Overall Consumer Rating
4.4 out of 5 stars18 Reviews
Write a vehicle reviewSee all 18 reviews
  • 5 star
    (72%)
  • 4 star
    (11%)
  • 3 star
    (6%)
  • 2 star
    (11%)
  • 1 star
    (0%)
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 4dr Crew Cab 4WD SB (6.6L 8cyl 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$29,091$31,669$34,260
Clean$28,559$31,058$33,566
Average$27,671$30,040$32,408
Rough$26,517$28,716$30,903

The average list price of a used 2021 GMC Sierra 2500HD in Melbourne, Florida is $56,160. The average mileage on a used GMC Sierra 2500HD 2021 for sale in Melbourne, Florida is 69,058. Based on the average mileage of 69,058 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 $27,671.

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