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  • $83,200
    good price
    $4,167 below market
    • 1,750 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Delray Buick GMC (107 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Delray Beach, FL / 107 miles away from Naples, FL

    CARFAX One-Owner. Clean CARFAX. Odometer is 3113 miles below market average!10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 120-Volt...

    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: 1GT4UPEYXSF156219
    Stock: 156219U
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • Price Drop
    $67,477
    good price
    $4,862 below market
    • 18,464 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Jack Hanania Chevrolet (264 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Saint Augustine, FL / 264 miles away from Naples, FL

    THIS VEHICLE IS ONLY AVAILABLE AT JACK HANANIA CHEVROLET AT 2255 US-1 SAINT AUGUSTINE FL 32086 CALL NOW TO BOOK YOUR TEST DRIVE #9**-7**-4*** 7 YEAR/7...

    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: 1GT49REY6PF229025
    Stock: PF229025P
    Certified Pre-Owned: No
    Listed since: 10-21-2024

  • New Listing
    $71,590
    good price
    $5,087 below market
    • 12,776 miles
    • No accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Indianapolis, IN / 982 miles away from Naples, FL

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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: 1GT49REY1PF157862
    Stock: 2003775503
    Certified Pre-Owned: No
    Listed since: 05-28-2025

  • $84,427
    fair price
    $1,640 below market
    • 6,213 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Delray Buick GMC (107 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Delray Beach, FL / 107 miles away from Naples, FL

    CARFAX One-Owner. Clean CARFAX.10-Speed Automatic, 4WD, Jet Black Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY2SF124165
    Stock: 124165U
    Certified Pre-Owned: No
    Listed since: 04-28-2025

  • 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.
  • $49,794
    good price
    $5,553 below market
    • 39,783 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Prince Automotive of Adel (364 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Adel, GA / 364 miles away from Naples, FL

    CLEAN AUTOCHECK, ONE OWNER, Sierra 2500HD SLE, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Summit White, Black Cloth, 2-Speed Electronic Shi...

    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: 1GT49MEY0PF205581
    Stock: P100117
    Certified Pre-Owned: No
    Listed since: 02-18-2025

  • $68,900
    good price
    $6,816 below market
    • 26,867 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Prince Chevrolet (388 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Tifton, GA / 388 miles away from Naples, FL

    Prince Automotive of Valdosta invites you to come see how easy and hassle free buying a pre-owned vehicle can be! Prince has been serving thee automot...

    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: 1GT49PEY9PF256580
    Stock: G300572A
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • $44,398
    great price
    $5,761 below market
    • 95,107 miles
    • No accidents, 1 owner, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Enterprise Car Sales (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Marietta, GA / 570 miles away from Naples, FL

    Transfer of vehicle from another location to your neighborhood Enterprise Car Sales may require payment of a non-refundable transfer fee to begin the ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49LEYXPF170672
    Stock: 8GDTHM
    Certified Pre-Owned: No
    Listed since: 05-12-2025

  • $66,995
    good price
    $4,780 below market
    • 51,222 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Griffin Ford (388 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Tifton, GA / 388 miles away from Naples, FL

    Summit White 2023 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Bluetooth Smart technology, Hands Free Calling, Navigation,...

    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: 1GT49PEY4PF244613
    Stock: U1708
    Certified Pre-Owned: No
    Listed since: 04-17-2025

  • 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.
  • $66,900
    good price
    $5,523 below market
    • 68,731 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Hobson Chevrolet (365 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Cairo, GA / 365 miles away from Naples, FL

    NA

    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: 1GT49PEY2PF137544
    Stock: 137544
    Certified Pre-Owned: No
    Listed since: 12-31-2024

  • Stock photo**
    $60,991
    good price
    $5,307 below market
    • 64,900 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • George Moore Chevrolet (295 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Jacksonville, FL / 295 miles away from Naples, FL

    GMC Certified Pre-Owned Certified, 10-Speed Automatic, 4WD, Jet Black Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49REY5MF267373
    Stock: 299915A
    Certified Pre-Owned: No
    Listed since: 05-26-2025

  • New Listing
    $53,990
    fair price
    $605 below market
    • 33,503 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Charlotte, NC / 635 miles away from Naples, FL

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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: 1GT49MEY4PF216731
    Stock: 2003658541
    Certified Pre-Owned: No
    Listed since: 04-25-2025

  • New Listing
    $61,990
    good price
    $5,387 below market
    • 43,959 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Phoenix, AZ / 1,882 miles away from Naples, FL

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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: 1GT49NEYXPF181120
    Stock: 2003756947
    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.
  • $71,995
    good price
    $2,292 below market
    • 10,065 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Timberland Ford (300 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Perry, FL / 300 miles away from Naples, FL

    Bed Liner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Denali logo repla...

    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: 1GT49REY7PF145795
    Stock: C23023A
    Certified Pre-Owned: No
    Listed since: 03-24-2025

  • $55,991
    good price
    $3,724 below market
    • 72,148 miles
    • 1 accident, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Kendall Toyota (93 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Miami, FL / 93 miles away from Naples, FL

    Selling price excludes $949.00 Pre Delivery Service Fee, $548.00 Electronic Registration Filing Fee and $70.00 Private Tag Agency Fee. This Sierra 250...

    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: 1GT49REY2MF195211
    Stock: T46283A
    Certified Pre-Owned: No
    Listed since: 05-10-2025

  • Price Drop
    $61,928
    fair price
    $2,869 above market
    • 23,539 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Advantage Chrysler Jeep Dodge Ram (191 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Mount Dora, FL / 191 miles away from Naples, FL

    Summit White 2021 GMC Sierra 2500HD AT4 Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD Sierra 2500HD AAT4, 4D Crew Cab, Duramax 6.6L V8 Turbodiese...

    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: 1GT49PEY4MF316504
    Stock: 371390A
    Certified Pre-Owned: No
    Listed since: 04-23-2025

  • $44,900
    fair price
    $2,432 below market
    • 82,530 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Parker Chevrolet Buick GMC (407 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Ashburn, GA / 407 miles away from Naples, FL

    WE CHARGE NO DEALER FEES! SEE THIS AND ALL OTHER VEHICLES IN OUR INVENTORY AT WWW.PARKERCHEVROLET.COM. CARFAX One-Owner. BE SURE TO CHECK THE FINE PRI...

    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: 1GT49LEY4PF203214
    Stock: 24516U
    Certified Pre-Owned: No
    Listed since: 05-13-2025

  • 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.
  • $67,000
    fair price
    $1,884 below market
    • 43,973 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • DeVoe Buick GMC of Naples (10 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Naples, FL / 10 miles away from Naples, FL

    Vehicle DetailsDiscover the epitome of power and luxury with this 2023 GMC Sierra 2500 Denali, an exceptional choice for those seeking a robust yet re...

    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: 1GT49REY8PF206300
    Stock: T25334A
    Certified Pre-Owned: Yes
    Listed since: 05-14-2025

  • Price Drop
    $64,899
    fair price
    $696 below market
    • 31,667 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Dimmitt Chevrolet (147 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Clearwater, FL / 147 miles away from Naples, FL

    Vehicle DetailsIntroducing the 2023 GMC Sierra 2500 AT4, a robust and versatile pickup truck designed to handle both rugged terrains and everyday driv...

    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: 1GT19PEY6PF213060
    Stock: 25047207
    Certified Pre-Owned: No
    Listed since: 04-26-2025

  • Price Drop
    $64,039
    good price
    $2,588 below market
    • 48,385 miles
    • 1 accident, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Grieco Chevrolet Lauderhill (96 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lauderhill, FL / 96 miles away from Naples, FL

    Priced below KBB Fair Purchase Price! Ebony Twilight Metallic 2023 GMC Sierra 2500HD DenaliLocated at Grieco Chevrolet of Lauderhill Call 9**-3**-2***...

    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: 1GT49REY0PF138574
    Stock: SR264173B
    Certified Pre-Owned: No
    Listed since: 04-27-2025

  • Price Drop
    $62,994
    fair price
    $148 below market
    • 38,072 miles
    • No accidents, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Car Heroes (137 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Seffner, FL / 137 miles away from Naples, 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: 1GT19PEYXPF234218
    Stock: 4018
    Certified Pre-Owned: No
    Listed since: 05-20-2025

  • New Listing
    $75,990
    fair price
    $165 above market
    • 12,705 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Driveway (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Temecula, CA / 2,171 miles away from Naples, FL

    CarFax No Accidents Reported,Low Mileage,Rare Find,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Heads-Up Display,Heated Seats,Heated Stee...

    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: 1GT49REY3PF195187
    Stock: PF195187A
    Certified Pre-Owned: No

Showing 127 - 147 out of 653 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 2025 GMC Sierra 2500HD in Naples, FL Values

Estimated values
2025 GMC Sierra 2500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
OutstandingN/AN/AN/A
CleanN/AN/AN/A
AverageN/AN/AN/A
RoughN/AN/AN/A

The average list price of a used 2025 GMC Sierra 2500HD in Naples, Florida is $64,304. The average mileage on a used GMC Sierra 2500HD 2025 for sale in Naples, Florida is 39,350. Based on the average mileage of 39,350 for used 2025 GMC Sierra 2500HD for sale in Naples, 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 2025 in Naples, Florida to be N/A.

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