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649 listings
  • Price Drop
    $58,970
    good price
    $3,236 below market
    • 60,133 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • ALM Hyundai Athens (197 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Athens, GA / 197 miles away from Birmingham, AL

    X31 OFF-ROAD PKG..TECHNOLOGY PACKAGE..DENALI BLACK DIAMOND EDITION..BLIND SPOT..COOLED HEATED SEATS..LANE DEPARTURE..LEATHER SEATS..NAVIGATION SYSTEM....

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT19REY2MF221731
    Stock: MF221731
    Certified Pre-Owned: No
    Listed since: 03-07-2025

  • New Listing
    $59,970
    good price
    $3,616 below market
    • 52,181 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • ALM Kennesaw (133 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Kennesaw, GA / 133 miles away from Birmingham, AL

    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

  • New Listing
    Stock photo**
    $67,222
    fair price
    $1,810 below market
    • 21,963 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • John Megel Chevrolet (168 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Dawsonville, GA / 168 miles away from Birmingham, AL

    10-Speed Automatic, 4WD, Dark Walnut/Dark Ash Grey Leather, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrumen...

    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: 1GT49REYXMF208125
    Stock: 20086
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • Stock photo**
    $49,900
    fair price
    $1,991 below market
    • 131,593 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Lowery Brothers Motors (61 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Boaz, AL / 61 miles away from Birmingham, AL

    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: 1GT49REY2MF132173
    Stock: 132173-T
    Certified Pre-Owned: No
    Listed since: 05-16-2025

  • 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.
  • New Listing
    Stock photo**
    $58,908
    fair price
    $1,365 below market
    • 83,841 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • John Megel Chevrolet (168 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Dawsonville, GA / 168 miles away from Birmingham, AL

    10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Ins...

    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: 1GT49PEY2MF227613
    Stock: 20088
    Certified Pre-Owned: No
    Listed since: 05-29-2025

    • 25,950 miles
    • No accidents, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Mitch Smith Chevrolet (46 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Cullman, AL / 46 miles away from Birmingham, AL

    Summit White 2021 GMC Sierra 2500HD SLE 4WD 6-Speed Automatic 6.6L V8 6-Speed Automatic, 4WD, Dark Walnut/Slate Cloth.Call 256-841-4410 today to sc...

    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: 1GT39ME72MF213048
    Stock: P5668
    Certified Pre-Owned: No
    Listed since: 03-10-2025

    • 71,304 miles
    • No accidents, 1 owner, personal use only
    • ALM Chrysler Dodge Jeep Ram (191 mi away)
    • 4WD
    • Forge Perforated Lea...
    • Heated Driver & Fron...
    • WHEELS 20"..SUN/MOON...
    • Backup camera
    Close

    Located in Perry, GA / 191 miles away from Birmingham, AL

    DRIVER ALERT PKG I..DRIVER ALERT PKG II..X31 OFF-ROAD PKG..NAVIGATION..BLIND SPOT MONITOR..HEATED SEATS..COOLED SEATS..PREMIUM AUDIO..WHEELS 20"..SUN/...

    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: 1GT49REY1MF302720
    Stock: MF302720
    Certified Pre-Owned: No
    Listed since: 03-11-2025

    • 126,193 miles
    • No accidents, 6 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Heath Attaway Auto Sales (48 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Cullman, AL / 48 miles away from Birmingham, AL

    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

  • 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
    • 48,899 miles
    • No accidents, 1 owner, personal use only
    • ALM Marietta (135 mi away)
    • Perforated Leather-A...
    • Heated & Ventilated ...
    • Sun/moonroof
    • HD Rear Vision Camer...
    • Apple CarPlay
    Close

    Located in Marietta, GA / 135 miles away from Birmingham, AL

    $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

    • 75,988 miles
    • No accidents, personal use only
    • ALM Marietta (135 mi away)
    • Forge Perforated Lea...
    • Heated Driver & Fron...
    • Sun/moonroof
    • Backup camera
    • Apple CarPlay
    Close

    Located in Marietta, GA / 135 miles away from Birmingham, AL

    $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

  • New Listing
    • 86,454 miles
    • 8'2” bed, 6.6l, 8cyl
    • Carvana - Birmingham (2 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Birmingham, AL / 2 miles away from Birmingham, AL

    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 Unavailable.

    Features and Specs:

    Listing Information:

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

  • New Listing
    • 79,218 miles
    • No accidents, personal use only
    • ALM Newnan (120 mi away)
    • Perforated Leather-A...
    • Heated & Ventilated ...
    • HD Rear Vision Camer...
    • Apple CarPlay
    • Remote keyless entry
    Close

    Located in Newnan, GA / 120 miles away from Birmingham, AL

    Black 2021 4D Crew Cab GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Black Leather.BACKUP 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: 1GT19PEY4MF217068
    Stock: MF217068
    Certified Pre-Owned: No
    Listed since: 05-30-2025

  • 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.
  • $53,868
    great price
    $5,675 below market
    • 75,435 miles
    • No accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • John Thornton Buick GMC (99 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Carrollton, GA / 99 miles away from Birmingham, AL

    Recent Arrival! Thank you for considering this beautiful 2020 GMC Sierra 2500HD AT4 finished in stunning Onyx Black with Jet Black With Kalahari Accen...

    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: 1GT49PEY2LF102903
    Stock: SG1001A
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • New Listing
    Stock photo**
    • 116,266 miles
    • 6'10” bed, 6.6l, 8cyl
    • John Thornton Buick GMC (99 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Carrollton, GA / 99 miles away from Birmingham, AL

    Recent Arrival! Thank you for considering this beautiful 2021 GMC Sierra 2500HD Denali finished in stunning Onyx Black with Dark Walnut/Dark Ash Grey ...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GT49REY4MF177776
    Stock: SG1235A
    Certified Pre-Owned: No
    Listed since: 05-31-2025

  • Price Drop
    $55,970
    good price
    $6,136 below market
    • 32,402 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • ALM Gwinnett (156 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Duluth, GA / 156 miles away from Birmingham, AL

    AT4 PREFERRED EQUIPMENT..X31 OFF-ROAD..NAVIGATION..HEATED & COOLED SEATS..BACKUP CAMERA..BLUETOOTH..SMART DEVICE INTEGRATION..KEYLESS ENTRY..2022 GMC ...

    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: 1GT19PE78NF173813
    Stock: NF173813
    Certified Pre-Owned: No
    Listed since: 11-07-2024

  • $63,989
    good price
    $5,746 below market
    • 56,771 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Peachtree Mitsubishi (146 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Atlanta, GA / 146 miles away from Birmingham, AL

    Peachtree Mitsubishi, Atlanta's Premiere Mitsubishi Dealership, is offering this exceptional pre-owned vehicle. Call or email now for exclusive online...

    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: 1GT49PEY0NF257761
    Stock: PTM57761
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • 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.
  • $63,993
    good price
    $6,814 below market
    • 52,437 miles
    • No accidents, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Mitch Smith Chevrolet (46 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Cullman, AL / 46 miles away from Birmingham, AL

    Summit White 2022 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Le...

    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: 1GT49PEY8NF336627
    Stock: 25-0707C
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • $53,822
    good price
    $3,998 below market
    • 88,644 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • City Auto Mitsubishi (164 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Murfreesboro, TN / 164 miles away from Birmingham, AL

    Vehicle DetailsExperience the power and luxury of the 2020 GMC Sierra 2500 Denali, now available at our dealership. This robust pickup combine...

    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: 1GT49REY6LF255151
    Stock: 510135
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • $62,524
    fair price
    $1,279 below market
    • 34,727 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Mitch Smith Chevrolet (46 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Cullman, AL / 46 miles away from Birmingham, AL

    Onyx Black 2020 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Dark Walnut/Dark Ash Grey Leather...

    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: 1GT49REY6LF107694
    Stock: P5677
    Certified Pre-Owned: No
    Listed since: 03-21-2025

  • $42,995
    good price
    $3,039 below market
    • 160,327 miles
    • 1 accident, 3 owners, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • B & B Automotive (63 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Albertville, AL / 63 miles away from Birmingham, AL

    2020 GMC SIERRA CREWCAB 2500HD AT4 IT HAS 160K ON THE MILES... VERY NICE TRUCK AND RUNS GREAT... IT HAS RANCH HAND BUMPERS FRONT AND REAR... IT HAS PO...

    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: 1GT49PEY5LF282457
    Stock: 25-009
    Certified Pre-Owned: No

  • $37,995
    good price
    $1,655 below market
    • 93,734 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Old Gin Motor Company (181 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Lamar, MS / 181 miles away from Birmingham, AL

    Visit Old Gin Motor Company online at www.oldginmotorco.com to see more pictures of this vehicle or call us at 662-252-3800 today to schedule your te...

    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: 1GT49ME75NF195604
    Stock: A 1GT49ME75NF195604
    Certified Pre-Owned: No

Showing 1 - 21 out of 649 listings

Consumer Reviews for the GMC Sierra 2500HD

Read recent reviews for the GMC Sierra 2500HD
Overall Consumer Rating
4.4 out of 5 stars24 Reviews
Write a vehicle reviewSee all 24 reviews
  • 5 star
    (75%)
  • 4 star
    (8%)
  • 3 star
    (4%)
  • 2 star
    (8%)
  • 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 Birmingham, AL 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$41,211$44,899$48,608
Clean$40,456$44,033$47,622
Average$39,199$42,589$45,979
Rough$37,565$40,713$43,844

The average list price of a used 2021 GMC Sierra 2500HD in Birmingham, Alabama is $56,275. The average mileage on a used GMC Sierra 2500HD 2021 for sale in Birmingham, Alabama is 74,974. Based on the average mileage of 74,974 for used 2021 GMC Sierra 2500HD for sale in Birmingham, AL 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 Birmingham, Alabama to be $39,199.

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