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2,321 listings
  • Price Drop
    • 112,981 miles
    • 2 accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Starling GMC (346 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Titusville, FL / 346 miles away from Macon, GA

    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

  • Price Drop
    $52,765
    great price
    $4,823 below market
    • 58,641 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Griffin Buick GMC (238 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Monroe, NC / 238 miles away from Macon, GA

    Certified.Onyx Black 2018 GMC Sierra 2500HD Denali4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 TurbodieselSierra 2500HD Denali, 4D Crew Cab, Dur...

    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: 1GT12UEY1JF200789
    Stock: 180789
    Certified Pre-Owned: Yes
    Listed since: 04-19-2025

    • 27,719 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6l, 8cyl
    • Carvana - Indianapolis (494 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Indianapolis, IN / 494 miles away from Macon, GA

    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: 1GT12SEG4KF200766
    Stock: 2003699501
    Certified Pre-Owned: No
    Listed since: 05-03-2025

    • 82,961 miles
    • 2 accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Jacobs Mitsubishi (326 mi away)
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    • USB Inputs
    Close

    Located in New Port Richey, FL / 326 miles away from Macon, GA

    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

  • 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.
    • 48,899 miles
    • No accidents, 1 owner, personal use only
    • ALM Marietta (82 mi away)
    • Perforated Leather-A...
    • Heated & Ventilated ...
    • Sun/moonroof
    • HD Rear Vision Camer...
    • Apple CarPlay
    Close

    Located in Marietta, GA / 82 miles away from Macon, GA

    $77K ORIGINAL MSRP !!!..TRAILERING PACKAGE..X31 OFF-ROAD PACKAGE..DRIVER ALERT PACKAGE I & II..SNOW PLOW PREP/CAMPER PACKAGE - VYU..AT4 PREMIUM PLUS P...

    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: 1GT49PEY6MF139311
    Stock: MF139311
    Certified Pre-Owned: No
    Listed since: 04-08-2025

  • Price Drop
    • 52,181 miles
    • No accidents, 1 owner, personal use only
    • ALM Kennesaw (89 mi away)
    • 4WD
    • Forge Perforated Lea...
    • Heated & Ventilated ...
    • Back up camera
    • Apple CarPlay
    Close

    Located in Kennesaw, GA / 89 miles away from Macon, GA

    81K$ MSRP..DRIVER ALERT PKG I..DRIVER ALERT PKG II..X31 OFF-ROAD PKG..HEATED SEATS..LANE KEEP ASISST..LANE DEPARTURE WARNING..WHEELS: 20" MULTI-DIMENS...

    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: 1GT19REY8MF239411
    Stock: MF239411
    Certified Pre-Owned: No
    Listed since: 05-30-2025

    • 75,988 miles
    • No accidents, personal use only
    • ALM Marietta (82 mi away)
    • Forge Perforated Lea...
    • Heated Driver & Fron...
    • Sun/moonroof
    • Backup camera
    • Apple CarPlay
    Close

    Located in Marietta, GA / 82 miles away from Macon, GA

    $94K ORIGINAL MSRP !!!..DRIVER ALERT PACKAGE I & II..BED VIEW CAMERA CAMERA IN THE CHMSL..SEAT, UP-LEVEL REAR WITH STORAGE PACKAGE..TRAILERING PACKAGE...

    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: 1GT19REY0MF285122
    Stock: MF285122
    Certified Pre-Owned: No
    Listed since: 04-05-2025

  • Price Drop
    • 39,079 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Mercedes-Benz of North Orlando (319 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Sanford, FL / 319 miles away from Macon, GA

    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

  • Advertisement

    Special offers available

    2025 GMC Sierra HD Denali
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Price Drop
    $55,987
    great price
    $9,915 below market
    • 55,380 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Ford Panama City (216 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Panama City, FL / 216 miles away from Macon, GA

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleAt4 Premium Plus PackageAt4 Preferred PackageAssist Steps; Power-Retractable; BlackTech...

    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: 1GT49PEY1NF353110
    Stock: NF353110
    Certified Pre-Owned: No
    Listed since: 04-15-2025

    • 97,136 miles
    • No accidents, 3 owners, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • Love GMC (175 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Columbia, SC / 175 miles away from Macon, GA

    Onyx Black 2021 GMC Sierra 2500HD Denali 4WD 6-Speed Automatic 6.6L V8 JUST SERVICED, LOCAL TRADE, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrum...

    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: 1GT49RE70MF304675
    Stock: P10031A
    Certified Pre-Owned: No
    Listed since: 03-27-2025

  • Price Drop
    • 32,669 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Carvana - Indianapolis (494 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Indianapolis, IN / 494 miles away from Macon, GA

    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: 1GT49LE70MF155519
    Stock: 2003733596
    Certified Pre-Owned: No
    Listed since: 05-10-2025

  • Price Drop
    • 86,454 miles
    • No accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Carvana - Birmingham (177 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Birmingham, AL / 177 miles away from Macon, GA

    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: 1GT49REY7MF318775
    Stock: 2003706180
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra HD Denali
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Price Drop
    • 71,639 miles
    • No accidents, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Tindol Ford ROUSH (225 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Gastonia, NC / 225 miles away from Macon, GA

    Clean CARFAX. Quicksilver Metallic 2021 GMC Sierra 2500HD SLT 4WD 6-Speed Automatic 6.6L V8 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted ...

    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: 1GT49NE75MF156628
    Stock: 2240596A
    Certified Pre-Owned: No
    Listed since: 05-20-2025

    • 126,193 miles
    • No accidents, 6 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Heath Attaway Auto Sales (196 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Cullman, AL / 196 miles away from Macon, GA

    Visit Heath Attaway Auto Sales online at heathattawayautosales.com to see more pictures of this vehicle or call us at 256-735-4201 today to schedule ...

    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: 1GT49REY8MF227319
    Stock: HA2881
    Certified Pre-Owned: No

  • New Listing
    • 125,208 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Greenway Chrysler Dodge Jeep Ram (335 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Orlando, FL / 335 miles away from Macon, GA

    LEATHER, NAVIGATION, 4X4, DURAMAX 6.6L V8 TURBO DIESEL, Allison 1000 6-Speed Automatic, 4WD, Black Leather, 110-Volt AC Power Outlet, 4.2" Diagonal Co...

    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: 1GT12REY2KF281994
    Stock: KF281994
    Certified Pre-Owned: No
    Listed since: 06-06-2025

  • Price Drop
    • 99,457 miles
    • No accidents, 2 owners, personal use
    • 8'2” bed, 6l, 8cyl
    • City Auto Mitsubishi (252 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Murfreesboro, TN / 252 miles away from Macon, GA

    Summary2019 GMC SIERRA 2500 HD 4X4 UTILITY ONE OWNER-NO CONTROLLER FOR CRANE! CLEAN CARFAX AND LOADED WITH NEW TIRES, TRAILER BRAKE CONTROLLER...

    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: 1GT12NEG0KF270637
    Stock: 507886
    Certified Pre-Owned: No
    Listed since: 02-01-2025

  • 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.
  • Stock photo**
    • 20,768 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Jenkins Ford Lincoln of Crystal River (286 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Crystal River, FL / 286 miles away from Macon, GA

    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

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

    • 93,425 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • City Auto Memphis (382 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Memphis, TN / 382 miles away from Macon, GA

    Vehicle DetailsDiscover the power and luxury of the 2019 GMC Sierra 2500 Denali, now available at our dealership. This robust pickup is equipp...

    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: 1GT12SEY3KF234044
    Stock: 510232
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • Stock photo**
    • 55,084 miles
    • No accidents, 1 owner, personal use only
    • Joe Maus Chevrolet (220 mi away)
    • Leather Appointed Se...
    • Heated Driver and Fr...
    • Remote Keyless Entry
    • Bluetooth For Phone
    • Remote Vehicle Start...
    Close

    Located in Kershaw, SC / 220 miles away from Macon, GA

    CARFAX One-Owner. * Complementary Warranty, Allison 1000 6-Speed Automatic, 4WD, Leather. Green 2019 GMC Sierra 2500HD SLT 4WD Allison 1000 6-Speed Au...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT12REY2KF206843
    Stock: JM232
    Certified Pre-Owned: No
    Listed since: 04-30-2025

  • New Listing
    $48,998
    great price
    $11,074 below market
    • 79,894 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • CarMax (In-stock online)
    • Transfer available from MA to GA*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in North Attleboro, MA / 927 miles away from Macon, GA

    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: 1GT49NEYXLF126869
    Stock: 27243850
    Certified Pre-Owned: No

  • Price Drop
    • 79,218 miles
    • No accidents, personal use only
    • ALM Newnan (63 mi away)
    • Perforated Leather-A...
    • Heated & Ventilated ...
    • HD Rear Vision Camer...
    • Apple CarPlay
    • Remote keyless entry
    Close

    Located in Newnan, GA / 63 miles away from Macon, GA

    Black 2021 4D Crew Cab GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Black Leather.AT4 PREFERRED...

    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: 1GT19PEY4MF217068
    Stock: MF217068
    Certified Pre-Owned: No
    Listed since: 05-30-2025

Showing 106 - 126 out of 2,321 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 Macon, GA 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$41,901$45,025$48,165
Clean$41,134$44,156$47,188
Average$39,855$42,708$45,561
Rough$38,194$40,826$43,445

The average list price of a used 2021 GMC Sierra 2500HD in Macon, Georgia is $53,035. The average mileage on a used GMC Sierra 2500HD 2021 for sale in Macon, Georgia is 72,427. Based on the average mileage of 72,427 for used 2021 GMC Sierra 2500HD for sale in Macon, GA 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 Macon, Georgia to be $39,855.

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