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472 listings
    • 62,842 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Vandergriff Acura (26 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Arlington, TX / 26 miles away from Addison, TX

    2021 GMC Sierra 2500HD Denali NAVIGATION/NAVI/GPS, SUNROOF/MOONROOF, Leather seats, Alloy Wheels, Heated Seats, ** BACK UP CAMERA **, ** TECHNOLOGY PK...

    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: 1GT49REY6MF268936
    Stock: MF268936
    Certified Pre-Owned: No
    Listed since: 04-16-2025

    • 37,247 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Family VW of Burleson (41 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Burleson, TX / 41 miles away from Addison, TX

    New Price! Pacific Blue Metallic 2021 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Sierra 2500HD AAT4, 4D Crew Cab, Durama...

    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: 1GT49PEY2MF128967
    Stock: CP1988
    Certified Pre-Owned: No
    Listed since: 04-18-2025

    • 132,574 miles
    • No accidents, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Commerce Chevrolet (57 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Commerce, TX / 57 miles away from Addison, TX

    Clean CARFAX.10-Speed Automatic, 4WD, Jet Black 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: 1GT49NEY5MF231336
    Stock: SF272247A
    Certified Pre-Owned: No
    Listed since: 04-23-2025

    • 102,605 miles
    • No accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Granbury Kia (62 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Granbury, TX / 62 miles away from Addison, TX

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

    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: 1GT19PEY3MF136465
    Stock: G157
    Certified Pre-Owned: No
    Listed since: 02-28-2025

  • 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.
    • 16,237 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • James Wood Chevrolet Buick GMC Decatur (47 mi away)
    • Home delivery*Five Star Dealer
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Decatur, TX / 47 miles away from Addison, TX

    CARFAX 1-Owner, Excellent Condition, GREAT MILES 16,237! Summit White exterior and Jet Black with Kalahari Accents interior, AT4 trim. Heated/Cooled L...

    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: 1GT49PEY8MF316800
    Stock: 151095A1
    Certified Pre-Owned: Yes
    Listed since: 04-11-2025

    • 112,179 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Kory Hooks Chrysler Dodge Jeep Ram (69 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Bowie, TX / 69 miles away from Addison, TX

    Summit White 2021 GMC Sierra 2500HD Denali 4D Crew Cab 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselClean CARFAX. 10-Speed Automatic, 4WD, Jet ...

    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: 1GT49REYXMF138061
    Stock: 18947B
    Certified Pre-Owned: No
    Listed since: 02-10-2025

  • New Listing
    • 32,206 miles
    • Insurance loss reported, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Salvage Reseller West (18 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Grand Prairie, TX / 18 miles away from Addison, TX

    This vehicle is located at San Diego, CA Copart yard. All purchases must take place online at www.salvagereseller.com. Visit our website to learn more...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49MEY0MF185781
    Stock: 54562385
    Certified Pre-Owned: No
    Listed since: 05-21-2025

    • 72,143 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Tradeline Motorcars (1 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Carrollton, TX / 1 miles away from Addison, TX

    Carbon Black Metallic 2021 GMC Sierra 2500HD SLT 4WD 6-Speed Automatic 6.6L V8 6-Speed Automatic, 4WD, Jet Black w/Vinyl Seat Trim, 10-Way Power Drive...

    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: 1GT49NE7XMF140859
    Stock: 140859
    Certified Pre-Owned: No
    Listed since: 03-20-2025

  • 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**
    • 56,462 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Heritage GMC Buick (22 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Rockwall, TX / 22 miles away from Addison, TX

    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: 1GT49REY6MF141748
    Stock: 325772A
    Certified Pre-Owned: No
    Listed since: 05-13-2025

    • 88,879 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Carsandpickups.com (1 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Addison, TX / 1 miles away from Addison, TX

    Stock #113867**1 Owner**4x4**Duramax 6.6L V8 Turbo Diesel**Automatic Transmission**Crew Cab AT4 Package**20 Custom Luxx HD Alloy Wheels**35X12.50R20LT...

    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: 1GT49PEY0MF113867
    Stock: 113867
    Certified Pre-Owned: No
    Listed since: 01-28-2025

  • Stock photo**
    • 59,612 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Waxahachie Dodge Chrysler Jeep Ram (37 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Waxahachie, TX / 37 miles away from Addison, TX

    Quicksilver Metallic 2021 GMC Sierra 2500HD Denali 6.6L V8 4WD 6-Speed Automatic 6-Speed Automatic, 4WD, Dark Walnut/Dark Ash Grey Leather.2 Years F...

    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: 1GT49RE77MF318153
    Stock: D504297A
    Certified Pre-Owned: No
    Listed since: 05-12-2025

    • 55,991 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Chrysler Dodge Jeep Ram North Fort Worth (28 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fort Worth, TX / 28 miles away from Addison, TX

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleDenali Ultimate Package3 Years Of Onstar & Connected Services PlanTechnology PackageAss...

    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: 1GT49REY2NF363088
    Stock: NF363088
    Certified Pre-Owned: No
    Listed since: 05-12-2025

  • 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**
    • 33,106 miles
    • 1 accident, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • James Wood Chevrolet Buick GMC Decatur (47 mi away)
    • Home delivery*Five Star Dealer
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Decatur, TX / 47 miles away from Addison, TX

    CARFAX 1-Owner, GREAT MILES 32,715! AT4 trim. NAV, Heated Leather Seats, 4x4, Turbo, Alloy Wheels, Bed Liner, Tow Hitch, ENGINE, DURAMAX 6.6L TURBO-DI...

    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: 1GT49PEY1MF168473
    Stock: 152501A1
    Certified Pre-Owned: No
    Listed since: 05-16-2025

    • 32,627 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Stonebriar Chevrolet (10 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Frisco, TX / 10 miles away from Addison, TX

    Conquer the Road with Power and Precision: Discover the 2022 GMC Sierra 2500HD AT4, Where Performance Meets Rugged Elegance in Every Mile Step into th...

    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: 1GT49PEY7NF176563
    Stock: NF176563
    Certified Pre-Owned: No
    Listed since: 05-05-2025

    • 109,126 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Ford Frisco (9 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Frisco, TX / 9 miles away from Addison, TX

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleTexas Edition Slt Premium Plus PackageTechnology PackageSlt Convenience PackageWheels; ...

    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: 1GT49NEY9LF145462
    Stock: LF145462
    Certified Pre-Owned: No
    Listed since: 05-16-2025

    • 70,962 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Glenn Polk Chevrolet of Sanger (35 mi away)
    • Five Star Dealer
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Sanger, TX / 35 miles away from Addison, TX

    Sierra 2500HD AAT4, Duramax 6.6L V8 Turbodiesel, 4WD, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Pane...

    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: 1GT49PEY8NF341715
    Stock: PSJ1715
    Certified Pre-Owned: No
    Listed since: 03-13-2025

  • 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.
    • 36,487 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Glenn Polk Ford (53 mi away)
    • Five Star Dealer
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Gainesville, TX / 53 miles away from Addison, TX

    12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports, 2 USB Ports (1st Row), 2-...

    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: 1GT49NE72NF205611
    Stock: FB12434A
    Certified Pre-Owned: No
    Listed since: 04-10-2025

    • 69,078 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Carsandpickups.com (1 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Addison, TX / 1 miles away from Addison, TX

    Stock #276289**2 Owner**4x4**6.6L Duramax V8 Turbo Diesel Engine**Allison Automatic Transmission**Crew Cab AT4 Edition**X31 Off Road Package**20 Black...

    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: 1GT49PEY2LF276289
    Stock: 276289
    Certified Pre-Owned: No
    Listed since: 12-04-2024

  • Stock photo**
    • 41,849 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Kory Hooks Chrysler Dodge Jeep Ram (69 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Bowie, TX / 69 miles away from Addison, TX

    Recent Arrival!Pacific Blue Metallic 2022 GMC Sierra 2500HD AT4 4D Crew Cab 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselCARFAX One-Owner. Cle...

    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: 1GT49PEY7NF253223
    Stock: 19065A
    Certified Pre-Owned: No
    Listed since: 05-16-2025

    • 21,140 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Audi Plano (4 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Plano, TX / 4 miles away from Addison, TX

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleAt4 Premium PackageTechnology PackageAt4 Preferred PackageWheels; 20" (50.8 Cm) 6-Spoke...

    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: 1GT49PEY7LF280001
    Stock: LF280001
    Certified Pre-Owned: No
    Listed since: 05-16-2025

    • 42,101 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Tradeline Motorcars (1 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Carrollton, TX / 1 miles away from Addison, TX

    Priced below KBB Fair Purchase Price! CARFAX One-Owner. Onyx Black 2020 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10...

    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: 1GT49REY8LF142690
    Stock: 142690
    Certified Pre-Owned: No
    Listed since: 04-18-2025

Showing 1 - 21 out of 472 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 Addison, TX 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$44,564$48,335$52,125
Clean$43,748$47,402$51,068
Average$42,389$45,848$49,306
Rough$40,621$43,827$47,016

The average list price of a used 2021 GMC Sierra 2500HD in Addison, Texas is $56,622. The average mileage on a used GMC Sierra 2500HD 2021 for sale in Addison, Texas is 61,212. Based on the average mileage of 61,212 for used 2021 GMC Sierra 2500HD for sale in Addison, TX 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 Addison, Texas to be $42,389.

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