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2,099 listings
  • $31,990
    fair price
    $152 above market
    • 78,072 miles
    • No accidents, 1 owner, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Mark Wahlberg Buick GMC (493 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Columbus, OH / 493 miles away from Myrtle Beach, SC

    CARFAX One-Owner. Clean CARFAX.6-Speed Automatic, 4WD, Jet Black Vinyl, 2-Speed Electronic Shift Transfer Case, Chrome Surround Grille w/Black Mesh, C...

    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: 1GT39LE76LF210422
    Stock: PDBT210422
    Certified Pre-Owned: No
    Listed since: 09-29-2023

  • $56,395
    fair price
    $807 below market
    • 78,182 miles
    • 2 accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • GW Trucks (278 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Jacksonville, FL / 278 miles away from Myrtle Beach, SC

    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: 1GT49REY3LF282551
    Stock: 11719
    Certified Pre-Owned: No

  • $39,499
    fair price
    $837 above market
    • 153,915 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Shelbyville Auto Sales (445 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Shelbyville, TN / 445 miles away from Myrtle Beach, SC

    NICE TRUCK...4WD...STEP BARS...HEATED AND COOLED SEATS...LEATHER...GOOSE NECK RAILS... THIS TRUCK IS POWERED BY A 6.6 DURAMAX TURBO DIESEL...72 MONTHS...

    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: 1GT12TEY7JF162429
    Stock: 9312
    Certified Pre-Owned: No

  • New Listing
    $46,998
    fair price
    $1,503 above market
    • 52,801 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • CarMax (In-stock online)
    • Transfer available from MS to SC*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Jackson, MS / 652 miles away from Myrtle Beach, SC

    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: 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: 1GT49NE77LF130952
    Stock: 26668886
    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.
  • $54,171
    fair price
    $166 below market
    • 90,749 miles
    • 1 accident, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Gettel Toyota of Charlotte County (497 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Punta Gorda, FL / 497 miles away from Myrtle Beach, SC

    Value priced below the market average! This 2020 GMC Sierra 2500HD Denali, has a great Quicksilver Metallic exterior, and a clean Jet Black interior! ...

    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: 1GT49REY3LF301566
    Stock: TP2897
    Certified Pre-Owned: No
    Listed since: 05-10-2025

    • 645 miles
    • No accidents, 1 owner, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Impex Chevrolet GMC (191 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Reidsville, NC / 191 miles away from Myrtle Beach, SC

    CARFAX One-Owner. Clean CARFAX.2022 GMC Sierra 2500HD SLE Crew Cab 4WD 4WD 10-Speed Automatic Summit White Duramax 6.6L V8 TurbodieselSierra 2500HD SL...

    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: 1GT19MEY8NF240885
    Stock: 2GT0885
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • New Listing
    $59,009
    fair price
    $147 above market
    • 80,481 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Jeff Wyler Florence Buick GMC (488 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Florence, KY / 488 miles away from Myrtle Beach, SC

    Jeff Wyler Florence Buick GMC is very proud to offer this good-looking 2022 GMC Sierra 2500HD Denali in Onyx Black. Driver Alert Package I (Lane Chang...

    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: 1GT49REY7NF161847
    Stock: 2620099A
    Certified Pre-Owned: No
    Listed since: 06-10-2025

  • $55,997
    fair price
    $1,861 above market
    • 24,618 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Hertrich Chevrolet (427 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Dover, DE / 427 miles away from Myrtle Beach, SC

    Non-Smoker vehicle, Auto Check One Owner! Heated/Cooled Leather Seats, Nav System, Hitch, Heated Rear Seat, 4x4, Chrome Wheels, Bed Liner, DRIVER ALER...

    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: 1GT49PE71LF310942
    Stock: 25516A1
    Certified Pre-Owned: No
    Listed since: 06-02-2025

  • 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.
  • Price Drop
    $44,780
    good price
    $1,805 below market
    • 146,560 miles
    • 2 accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Legacy Motorcars (317 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Marietta, GA / 317 miles away from Myrtle Beach, SC

    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: 1GT49REY4LF134022
    Stock: P4022
    Certified Pre-Owned: No

  • $40,500
    fair price
    $263 above market
    • 70,700 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Faulkner Chrysler Dodge Jeep Ram Fiat (470 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Mechanicsburg, PA / 470 miles away from Myrtle Beach, SC

    Recent Arrival! Summit White This Sierra 2500HD SLE is nicely equipped with Preferred Equipment Group 3SA (2-Speed Electronic Shift Transfer Case, Chr...

    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: 1GT59ME7XNF138223
    Stock: NF138223
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • Price Drop
    • 11,775 miles
    • 1 accident, 2 owners, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • Carvana - Tampa (442 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Tampa, FL / 442 miles away from Myrtle Beach, SC

    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: 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: 1GT48NE77NF230541
    Stock: 2003677042
    Certified Pre-Owned: No
    Listed since: 04-25-2025

    • 20,476 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Impex Chevrolet GMC (191 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Reidsville, NC / 191 miles away from Myrtle Beach, SC

    Clean CARFAX.2022 GMC Sierra 2500HD AT4 Crew Cab 4WD 4WD 10-Speed Automatic Black Duramax 6.6L V8 TurbodieselSierra 2500HD AAT4 Crew Cab 4WD, 4D Crew ...

    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: 1GT19PEY6NF180624
    Stock: 2GT0624
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • 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.
  • $28,995
    fair price
    $747 above market
    • 261,677 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • B & B Automotive (414 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Albertville, AL / 414 miles away from Myrtle Beach, SC

    2018 GMC DENALI 2500 4X4 6.6 DURAMAX IT HAS 261K ON THE MILES... NICE TRUCK AND RUNS GREAT... IT HAS POWER WINDOWS, LOCKS, MIRROS, TILT, CRUISE, TOUCH...

    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: 1GT12UEY9JF107776
    Stock: 25-088
    Certified Pre-Owned: No

  • $41,788
    fair price
    $998 above market
    • 61,450 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Shelor Motor Mile (255 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Christiansburg, VA / 255 miles away from Myrtle Beach, SC

    WiFi Hotspot, Onboard Communications System, Tow Hitch, LPO, ASSIST STEPS, CHROMED TUBULAR, 6... WHEELS, 20 (50.8 CM) MACHINED ALUMIN... SLE CONVENIEN...

    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: 1GT39ME72NF303429
    Stock: X68730
    Certified Pre-Owned: No
    Listed since: 11-18-2024

  • New Listing
    Stock photo**
    $60,990
    fair price
    $638 below market
    • 65,187 miles
    • 1 accident, 4 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • TruAuto (77 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Ladson, SC / 77 miles away from Myrtle Beach, SC

    Recent Arrival! Red Quartz Tintcoat 2020 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Blac...

    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: 1GT19REY0LF297866
    Stock: P24369
    Certified Pre-Owned: No
    Listed since: 06-02-2025

    • 67,189 miles
    • Insurance loss reported, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • America's Xtreme Auto Georgia (316 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Atlanta, GA / 316 miles away from Myrtle Beach, SC

    WHAT IS A BRANDED TITLE? https://www.youtube.com/watch?v=djssRiZ0q_s We Can Finance! We Take Trade IN-S! CALL US AT 404-935-6700 Car comes with 2 mont...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    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: 1GT49REYXNF359130
    Stock: 16585
    Certified Pre-Owned: No
    Listed since: 03-04-2025

  • 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
    $45,998
    fair price
    $573 above market
    • 71,061 miles
    • 3 accidents, 2 owners, corporate fleet vehicle
    • 6'7” bed, 6l, 8cyl
    • Alta Auto Group (152 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Concord, NC / 152 miles away from Myrtle Beach, SC

    FINANCE THIS 2018 GMC SIERRA 2500HD DENALI 4X4 CREW CAB SB HASSLE-FREE UP TO 84 MONTHS WITH VERY COMPETITIVE INTEREST RATES! ASK US ABOUT OUR WARRANTY...

    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: 1GT12UEG6JF202464
    Stock: 202464
    Certified Pre-Owned: No
    Listed since: 05-30-2025

    • 112,838 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6l, 8cyl
    • Jim Hardman Buick GMC (282 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Upgraded Headlights
    Close

    Located in Gainesville, GA / 282 miles away from Myrtle Beach, SC

    Due to our amazing pricing, please call before coming down to ensure the vehicle is still available! **NAVIGATION**, **BLUETOOTH**, **BACK UP 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: 1GT11SEG0JF227125
    Stock: 43791D
    Certified Pre-Owned: No
    Listed since: 04-30-2025

    • 107,618 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6l, 8cyl
    • Jim Hardman Buick GMC (282 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Upgraded Headlights
    Close

    Located in Gainesville, GA / 282 miles away from Myrtle Beach, SC

    Due to our amazing pricing, please call before coming down to ensure the vehicle is still available! **NAVIGATION**, **BLUETOOTH**, **BACK UP 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: 1GT11SEG8JF231309
    Stock: 43791A
    Certified Pre-Owned: No
    Listed since: 04-30-2025

  • Stock photo**
    $59,780
    fair price
    $902 above market
    • 73,448 miles
    • No accidents, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Phillips Buick GMC (370 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fruitland Park, FL / 370 miles away from Myrtle Beach, SC

    This 2020 GMC Sierra 2500HD Denali is a powerful and reliable vehicle. It has a 6.6 liter 8 cylinder engine with 73,448 miles and features blind spot ...

    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: 1GT49REY9LF310305
    Stock: U271B
    Certified Pre-Owned: No
    Listed since: 06-05-2025

    • 24,955 miles
    • No accidents, 1 owner, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Lancaster Motor Company (129 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Lancaster, SC / 129 miles away from Myrtle Beach, SC

    2022 GMC Sierra 2500HD SLE RWD Summit White 6.6L V8 We have performed all necessary repairs to Manufacturer's requirements. Copies of all repair order...

    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: 1GT08ME73NF243568
    Stock: A241435
    Certified Pre-Owned: No
    Listed since: 10-24-2024

Showing 211 - 231 out of 2,099 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 2020 GMC Sierra 2500HD in Myrtle Beach, SC Values

Estimated values
2020 GMC Sierra 2500HD 2dr Regular Cab 4WD LB (6.6L 8cyl 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$23,875$26,231$28,504
Clean$23,369$25,660$27,867
Average$22,526$24,708$26,805
Rough$21,430$23,470$25,424

The average list price of a used 2020 GMC Sierra 2500HD in Myrtle Beach, South Carolina is $47,678. The average mileage on a used GMC Sierra 2500HD 2020 for sale in Myrtle Beach, South Carolina is 78,781. Based on the average mileage of 78,781 for used 2020 GMC Sierra 2500HD for sale in Myrtle Beach, SC 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 2020 in Myrtle Beach, South Carolina to be $22,526.

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