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    • 54,303 miles
    • No accidents, 2 owners, personal use
    • Legacy Buick GMC (425 mi away)
    • Back-up camera
    • Sunroof/Moonroof
    • Upgraded Engine
    • Towing Hitch
    Close

    Located in Slidell, LA / 425 miles away from Chattanooga, TN

    Thank you for your interest in one of Legacy Buick GMC's online offerings. Please continue for more information regarding this 2022 GMC Sierra 3500HD ...

    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: 1GT49WEY5NF105582
    Stock: 25G9390B
    Certified Pre-Owned: No
    Listed since: 05-09-2025

  • New Listing
    • 47,850 miles
    • 1 accident, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Randy Marion Buick GMC (254 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Huntersville, NC / 254 miles away from Chattanooga, TN

    Need VIP assistance on this vehicle Text SAVE12 to 888-542-1234.CARFAX One-Owner. White Frost Tricoat 2020 GMC Sierra 3500HD Denali 4WD 10-Speed Auto...

    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: 1GT49WEY9LF258768
    Stock: GM17324A
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • New Listing
    • 73,130 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Fields Cadillac (427 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in St. Augustine, FL / 427 miles away from Chattanooga, TN

    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: 1GT49WEY1LF282319
    Stock: PR5311A
    Certified Pre-Owned: No
    Listed since: 06-01-2025

  • Price Drop
    • 47,539 miles
    • 1 accident, 2 owners, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • Auto Boutique Florida (401 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Jacksonville, FL / 401 miles away from Chattanooga, TN

    WORK TRUCK PREFERRED EQUIPMENT GROUP Includes Standard Equipment, WHEELS, 18" (45.7 CM) MACHINED ALUMINUM with high gloss Black accents, 6-spoke, TRAN...

    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: 1GT49SE70LF288435
    Stock: 18858
    Certified Pre-Owned: No
    Listed since: 04-02-2025

  • 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.
  • Stock photo**
    • Not provided
    • No accidents, 3 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Harry Blackwell Chevrolet GMC (277 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Malden, MO / 277 miles away from Chattanooga, TN

    EquipmentThe vehicle is pure luxury with a heated steering wheel. Bluetooth technology is built into the vehicle, keeping your hands on the st...

    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: 1GT49WEY7LF238518
    Stock: H2046Q
    Certified Pre-Owned: No
    Listed since: 10-16-2023

  • Price Drop
    • 103,166 miles
    • 1 accident, 2 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Bob Poynter Buick Chevrolet GMC (265 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Seymour, IN / 265 miles away from Chattanooga, TN

    *4WD Heated & Cooled Leather Sunroof Navigation Bose Audio *Check out this 2022 GMC Sierra 3500HD AT4. Its Automatic transmission and Gas V8 6.6L/ eng...

    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: Yes

    Features and Specs:

    Listing Information:

    VIN: 1GT49VE74NF206226
    Stock: V1948
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • New Listing
    $66,613
    great price
    $5,677 below market
    • 32,092 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Honda at Bel Air Mall (349 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Mobile, AL / 349 miles away from Chattanooga, TN

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleDenali Ultimate PackageTechnology PackageAssist Steps; Power-RetractableSunroof; Power...

    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: 1GT49WEYXPF256145
    Stock: PF256145
    Certified Pre-Owned: No
    Listed since: 05-31-2025

    • 94,275 miles
    • Lemon reported, 3 owners, personal use
    • 8'2” bed, 6.6l, 8cyl
    • Impex Chevrolet GMC (330 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Reidsville, NC / 330 miles away from Chattanooga, TN

    2020 GMC Sierra 3500HD Denali Crew Cab 4WD 4WD 10-Speed Automatic Summit White Duramax 6.6L V8 TurbodieselSierra 3500HD Denali Crew Cab 4WD, 4D Crew C...

    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: Yes

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY7LF274502
    Stock: 2GT4502
    Certified Pre-Owned: No
    Listed since: 05-09-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra HD Denali
    $46,300
    starting MSRP
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $66,970
    good price
    $3,515 below market
    • 31,598 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Bowser Hyundai (464 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Pleasant Hills, PA / 464 miles away from Chattanooga, TN

    Priced below KBB Fair Purchase Price! Odometer is 24012 miles below market average! CARFAX One-Owner. 2023 GMC 4WD Sierra 3500HD Denali Onyx Black 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: 1GT49WEY4PF207037
    Stock: GX35266
    Certified Pre-Owned: No
    Listed since: 04-19-2025

  • $67,995
    good price
    $7,119 below market
    • 28,711 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Laura Buick GMC (356 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Collinsville, IL / 356 miles away from Chattanooga, TN

    This Certified Pre-Owned vehicle comes with the following benefits: -12-month/12,000-mile Bumper-to-Bumper Limited Warranty (whichever comes first) fr...

    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: 1GT49VEY8PF139853
    Stock: L254277A
    Certified Pre-Owned: Yes
    Listed since: 05-07-2025

  • $63,500
    good price
    $5,889 below market
    • 51,101 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Rusty Drewing Chevrolet Buick GMC (446 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Jefferson City, MO / 446 miles away from Chattanooga, TN

    Certified. CARFAX One-Owner. Summit White 2023 GMC Sierra 3500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Sierra 3500HD AT4, 4D Crew Cab...

    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: 1GT49VEY1PF251751
    Stock: Z03221
    Certified Pre-Owned: Yes
    Listed since: 04-29-2025

  • New Listing
    $62,995
    great price
    $4,564 below market
    • 63,720 miles
    • 8'2” bed, 6.6l, 8cyl
    • Laura Buick GMC (356 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Collinsville, IL / 356 miles away from Chattanooga, TN

    1-Owner New Vehicle Trade, Sold Here New! Denali 6.6 V8 Duramax Turbo Diesel Crew Cab 4x4. Navigation System Power Sunroof, Towing Package, Heavy Duty...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY9PF140984
    Stock: L254390A
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • 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.
  • $53,995
    fair price
    $4,441 below market
    • 23,740 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Toyota Direct (365 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Columbus, OH / 365 miles away from Chattanooga, TN

    Ebony Twilight Metallic 2023 GMC Sierra 3500HD SLT 4WD 6-Speed Automatic 6.6L V8 ONE OWNER!!, ***Clean Carfax***, LEATHER, Sierra 3500HD SLT, 6.6L V8,...

    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: 1GT49UE71PF253260
    Stock: PF253260A
    Certified Pre-Owned: No
    Listed since: 04-05-2025

  • Price Drop
    $66,700
    fair price
    $4,709 below market
    • 21,120 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Countryside Motors (400 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Conway, AR / 400 miles away from Chattanooga, TN

    SIERRA AT4 3500 4x4, 1 OWNER, 6.6L V8 DIESEL DURAMAX, WARRANTY, NAVIGATION, BLUETOOTH, Please TEXT or CALL 5**-7**-3***. Get more pictures and your fr...

    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: 1GT49VEY5MF229585
    Stock: 229585
    Certified Pre-Owned: No
    Listed since: 03-25-2025

  • Price Drop
    $56,495
    good price
    $4,836 below market
    • 37,544 miles
    • No accidents, 2 owners, personal use
    • 6'10” bed, 6.6l, 8cyl
    • Crossroads Car and Truck (286 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Milford, OH / 286 miles away from Chattanooga, TN

    Clean Autocheck Report, Save $20,000 Versus Buying New, GM Warranty Still Applies, Apple Carplay/Android Auto, Navigation, Heated/Cooled Leather Seats...

    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: 1GT49UE75PF179342
    Stock: 23179342
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • $63,495
    good price
    $4,960 below market
    • 49,703 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Laura Buick GMC (356 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Collinsville, IL / 356 miles away from Chattanooga, TN

    This Certified Pre-Owned vehicle comes with the following benefits: -12-month/12,000-mile Bumper-to-Bumper Limited Warranty (whichever comes first) fr...

    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: 1GT49WEY7PF102654
    Stock: L253054A
    Certified Pre-Owned: Yes
    Listed since: 03-14-2025

  • 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
    $65,000
    good price
    $4,701 below market
    • 37,925 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Walterboro Ford (308 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Walterboro, SC / 308 miles away from Chattanooga, TN

    Hi Line Auto Group is excited to introduce our latest addition, "Walterboro Ford." As a FAMILY-OWNED and operated business, we take immense pride in o...

    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: 1GT49WEY0MF245036
    Stock: PT245036
    Certified Pre-Owned: No
    Listed since: 04-12-2025

  • $67,643
    good price
    $2,984 below market
    • 28,216 miles
    • 1 accident, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • John Thornton Buick GMC (107 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Carrollton, GA / 107 miles away from Chattanooga, TN

    Thank you for considering this beautiful 2023 GMC Sierra 3500HD Denali finished in stunning White Frost Tricoat with Dark Walnut/Dark Ash Grey Leather...

    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: 1GT49WEY5PF141338
    Stock: SG868B
    Certified Pre-Owned: No
    Listed since: 04-18-2025

  • $53,998
    good price
    $4,182 below market
    • 74,915 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Parks Acura (333 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Roanoke, VA / 333 miles away from Chattanooga, TN

    Clean One-Owner CARFAX This 2021 GMC Sierra 3500HD SLT Crew Cab delivers heavy-duty strength and premium comfort, built to conquer demanding jobs and ...

    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: 1GT49UEY6MF252058
    Stock: 6L625
    Certified Pre-Owned: No
    Listed since: 04-27-2025

  • Price Drop
    $67,470
    fair price
    $280 below market
    • 23,269 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • ALM Hyundai Athens (137 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Athens, GA / 137 miles away from Chattanooga, TN

    GOOSENECK / 5TH WHEEL PREP PACKAGE..DENALI PREFERRED EQUIPMENT GROUP..SUSPENSION PACKAGE..BLIND SPOT..COOLED HEATED SEATS..LANE DEPARTURE..LEATHER SEA...

    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: 1GT49WEY6PF192153
    Stock: PF192153
    Certified Pre-Owned: No
    Listed since: 04-15-2025

  • $39,995
    fair price
    $2,938 below market
    • 126,398 miles
    • 1 accident, 2 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Formula One Imports East (261 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Upgraded Headlights
    Close

    Located in Charlotte, NC / 261 miles away from Chattanooga, TN

    <p class=""p1"" style=""font-stretch: normal; font-size: 26px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto...

    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: 1GT42VCYXKF267513
    Stock: FC14032A3
    Certified Pre-Owned: No
    Listed since: 04-29-2025

Showing 43 - 63 out of 731 listings

Consumer Reviews for the GMC Sierra 3500HD

Read recent reviews for the GMC Sierra 3500HD
Overall Consumer Rating
4.6 out of 5 stars12 Reviews
Write a vehicle reviewSee all 12 reviews
  • 5 star
    (83%)
  • 4 star
    (0%)
  • 3 star
    (8%)
  • 2 star
    (8%)
  • 1 star
    (0%)
5 out of 5 stars

WHAT A TRUCK

Bill S., 04/05/2020
2020 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 6A)
I purchased this Denali two weeks ago. I absolutely love this truck. The ride is so smooth and power band is incredible. What a huge difference between my 2008 GMC 2500HD Duramax, its like night and day... I love all the high tech features with the 2020's from the cameras to the front and rear LED lighting. Oh yea forgot about that first of its kind tailgate. Now that's a very … useful tailgate, I can see Ford, Dodge and Chevrolet using the same basic tailgate in the near future. I really cant wait to haul my 5th wheel with this truck. Once I make that first trip I will update this review regarding the towing... A big thank you for Thompsons GMC in Placerville, CA for such a great purchasing experience. It’s been about a year since I purchased my GMC 3500 Denali and wanted to update my review. I still love this truck so much. I’ve towed my 5th wheel RV approximately 8000K miles. This truck tows my 5th wheel like a dream. The cooling system is definitely a 100% improvement over my 2008 while towing in the warmer weather. About the only thing I’d like to see is GM add more information to the heads up display (HUD) like your blind spot indicators. I’m glad we bought when we did because I hear that dealers are having a tough time receiving new trucks. Bottom line is this, I’d buy this truck all over again absolutely No Regrets!!!!
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Used 2020 GMC Sierra 3500HD in Chattanooga, TN Values

Estimated values
2020 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD LB (6.6L 8cyl Turbodiesel 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$49,173$52,398$55,510
Clean$48,131$51,257$54,269
Average$46,395$49,356$52,200
Rough$44,137$46,884$49,512

The average list price of a used 2020 GMC Sierra 3500HD in Chattanooga, Tennessee is $60,423. The average mileage on a used GMC Sierra 3500HD 2020 for sale in Chattanooga, Tennessee is 50,015. Based on the average mileage of 50,015 for used 2020 GMC Sierra 3500HD for sale in Chattanooga, TN 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 3500HD 2020 in Chattanooga, Tennessee to be $46,395.

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