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126 listings
  • Arriving Soon
    Photos not available
    $61,000
    MSRP $61,500
    • Legacy Buick GMC (5 mi away)5 out of 5 stars(3)
    • PACKAGE Tow Hitch Be...
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    Located in Slidell, LA / 5 miles away from Slidell, LA

    This 2026 GMC Sierra 3500HD Pro is proudly offered by Legacy Buick GMC This GMC includes: WHEELS, 18' Aluminum Wheels GVWR, 11,550 LBS POWER OUTLET, I...

    Features and Specs:

    Listing Information:

    VIN: 1GT4USE70TF106201
    Stock: 26G1375
    Listed since: 08-21-2025

  • Arriving Soon
    • Mossy of Picayune GM Superstore (17 mi away)5 out of 5 stars(4)
    • Home delivery*
    • 4WD
    • Full Grain Leather S...
    • Heated Driver & Fron...
    • Power Sunroof
    • Rear Cross Traffic A...
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    Located in Picayune, MS / 17 miles away from Slidell, LA

    We are proud to offer this good-looking 2026 GMC Sierra 3500HD in Onyx Black. This vehicle has passed our comprehensive inspection with flying colors ...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY7TF102092
    Stock: 102092
    Listed since: 08-13-2025

  • Arriving Soon
    $90,065
    MSRP $92,565
    • Mossy of Picayune GM Superstore (17 mi away)5 out of 5 stars(4)
    • Home delivery*
    • 4WD
    • Forge Perforated Lea...
    • Heated Driver & Fron...
    • Rear Cross Traffic A...
    • Remote keyless entry
    Close

    Located in Picayune, MS / 17 miles away from Slidell, LA

    We are proud to offer this beautiful-looking 2026 GMC Sierra 3500HD in Onyx Black. This vehicle has passed our comprehensive inspection with flying co...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UWEY7TF100704
    Stock: 100704
    Listed since: 08-27-2025

  • Arriving Soon
    $89,570
    MSRP $92,070
    • Mossy of Picayune GM Superstore (17 mi away)5 out of 5 stars(4)
    • Home delivery*
    • 4WD
    • Forge Perforated Lea...
    • Heated Driver & Fron...
    • Rear Cross Traffic A...
    • Remote keyless entry
    Close

    Located in Picayune, MS / 17 miles away from Slidell, LA

    We are proud to offer this wonderful-looking 2026 GMC Sierra 3500HD in Summit White. This vehicle has passed our comprehensive inspection with flying ...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UWEYXTF102981
    Stock: 102981
    Listed since: 08-15-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    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.
  • Arriving Soon
    $94,560
    MSRP $95,060
    • Glynn Smith Chevrolet GMC (303 mi away)5 out of 5 stars(2)
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    Located in Opelika, AL / 303 miles away from Slidell, LA

    NA.

    Features and Specs:

    Listing Information:

    VIN: 1GT4UWEY3TF108234
    Stock: T21446
    Listed since: 08-25-2025

  • Arriving Soon
    $72,970
    MSRP $73,470
    • Glynn Smith Chevrolet GMC (303 mi away)5 out of 5 stars(2)
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    Located in Opelika, AL / 303 miles away from Slidell, LA

    NA.

    Features and Specs:

    Listing Information:

    VIN: 1GT4USEY2TF107925
    Stock: T21445
    Listed since: 08-22-2025

  • Arriving Soon
    • Glynn Smith Chevrolet GMC (303 mi away)5 out of 5 stars(2)
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    Located in Opelika, AL / 303 miles away from Slidell, LA

    NA.

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY7TF109463
    Stock: T21447
    Listed since: 08-27-2025

  • Arriving Soon
    $72,970
    MSRP $73,470
    • Glynn Smith Chevrolet GMC (303 mi away)5 out of 5 stars(2)
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    Located in Opelika, AL / 303 miles away from Slidell, LA

    NA.

    Features and Specs:

    Listing Information:

    VIN: 1GT4USEY3TF107884
    Stock: T21444
    Listed since: 08-22-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    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.
  • Arriving Soon
    $94,065
    MSRP $94,565
    • Glynn Smith Chevrolet GMC (303 mi away)5 out of 5 stars(2)
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    Located in Opelika, AL / 303 miles away from Slidell, LA

    NA.

    Features and Specs:

    Listing Information:

    VIN: 1GT4UWEY5TF108607
    Stock: T21443
    Listed since: 08-22-2025

  • Arriving Soon
    $71,350
    MSRP $71,850
    • Gay Buick GMC (329 mi away)5 out of 5 stars(7)
    • 4WD
    • Remote Keyless Entry
    • and Wireless Phone P...
    • Hitch Package (LPO)
    • Automatic Emergency ...
    Close

    Located in Dickinson, TX / 329 miles away from Slidell, LA

    Summit White 2026 GMC Sierra 3500HD Pro 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Recent Arrival! Convenience Package (Deep-Tinted Glass and ...

    Features and Specs:

    Listing Information:

    VIN: 1GT4USEY4TF108154
    Stock: 047692
    Listed since: 08-28-2025

  • Arriving Soon
    $92,805
    MSRP $93,305
    • Gay Buick GMC (329 mi away)5 out of 5 stars(7)
    • 4WD
    • Forge Perforated Lea...
    • Heated Driver & Fron...
    • Power Sunroof
    • Rear Cross Traffic A...
    Close

    Located in Dickinson, TX / 329 miles away from Slidell, LA

    Sterling 2026 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Recent Arrival! Denali Reserve Package (Power Sunroof), Goos...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UWEY5TF108350
    Stock: 047664
    Listed since: 08-22-2025

  • Arriving Soon
    $97,314
    MSRP $97,814
    • Texan GMC Buick (335 mi away)1 out of 5 stars(1)
    • Four Wheel Drive
    • Jet black forge per...
    • Heated Front Seat(s)
    • Sunroof power
    • Back-Up Camera
    Close

    Located in Humble, TX / 335 miles away from Slidell, LA

    Onyx Black Denali 4WD 12-Way Power Driver Seat Adjuster w/Lumbar, 12-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 12...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UWEY3TF109707
    Stock: G14175
    Listed since: 08-22-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    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.
  • Arriving Soon
    Photos not available
    • Wiesner Buick GMC (346 mi away)
    • Full Grain Leather S...
    • Heated Front Seat(s)
    • Power Sunroof
    • Back-Up Camera
    • Blind Spot Monitor
    Close

    Located in Conroe, TX / 346 miles away from Slidell, LA

    Recent Arrival! This 2026 GMC Sierra 3500HD Denali Ultimate in Gxd comes with the following features: Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY8TF104983
    Stock: TC5088
    Listed since: 08-14-2025

  • Arriving Soon
    Photos not available
    $96,260
    MSRP $96,260
    • Wiesner Buick GMC (346 mi away)
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    Located in Conroe, TX / 346 miles away from Slidell, LA

    Recent Arrival!This 2026 GMC Sierra 3500HD Denali in Gxp comes with the following features: Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD 10-Spee...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UWEYXTF112300
    Stock: TC5114
    Listed since: 08-27-2025

  • New Listing
    • Dow Autoplex (380 mi away)5 out of 5 stars(4)
    • Four Wheel Drive
    • Alpine umber full g...
    • Heated Front Seat(s)
    • Generic Sun/Moonroof
    • Back-Up Camera
    Close

    Located in Mineola, TX / 380 miles away from Slidell, LA

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY3TF110089
    Stock: 110089
    Listed since: 08-26-2025

  • Arriving Soon
    Photos not available
    $86,115
    MSRP $86,115
    • Stan McNabb Chevrolet Buick GMC (406 mi away)
    • Premium leather seat...
    • Heated driver and fr...
    • Back up camera
    • Keyless entry system
    • Handsfree wireless d...
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    Located in Tullahoma, TN / 406 miles away from Slidell, LA

    Vehicle DetailsExperience the pinnacle of power and luxury with the 2026 GMC Sierra 3500 SLT. Designed for those who demand more from their tr...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UUEY3TF106763
    Stock: 26SERR6
    Listed since: 08-20-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    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.
  • Arriving Soon
    Photos not available
    • Rivard Buick GMC (471 mi away)4.95 out of 5 stars(20)
    • 4WD
    • Push Button Start
    • Bluetooth
    • Remote Start
    Close

    Located in Tampa, FL / 471 miles away from Slidell, LA

    Summit White 2026 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Backup/Rearview Camera, Remote Start, Bluetooth...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY8TF101615
    Stock: T0539
    Listed since: 08-13-2025

  • Arriving Soon
    Photos not available
    • Rivard Buick GMC (471 mi away)4.95 out of 5 stars(20)
    • 4WD
    • Push Button Start
    • Bluetooth
    • Remote Start
    Close

    Located in Tampa, FL / 471 miles away from Slidell, LA

    Sterling 2026 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Backup/Rearview Camera, Remote Start, Bluetooth, Fr...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEYXTF101759
    Stock: T0649
    Listed since: 08-21-2025

  • Arriving Soon
    Photos not available
    • Rivard Buick GMC (471 mi away)4.95 out of 5 stars(20)
    • 4WD
    • Push Button Start
    • Bluetooth
    • Remote Start
    Close

    Located in Tampa, FL / 471 miles away from Slidell, LA

    Onyx Black 2026 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Backup/Rearview Camera, Remote Start, Bluetooth, ...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY9TF101722
    Stock: T0646
    Listed since: 08-21-2025

  • Arriving Soon
    Photos not available
    • Rivard Buick GMC (471 mi away)4.95 out of 5 stars(20)
    • 4WD
    • Push Button Start
    • Bluetooth
    • Remote Start
    Close

    Located in Tampa, FL / 471 miles away from Slidell, LA

    Downpour Met 2026 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Backup/Rearview Camera, Remote Start, Bluetooth...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEYXTF101776
    Stock: T0648
    Listed since: 08-21-2025

  • Arriving Soon
    Photos not available
    • Rivard Buick GMC (471 mi away)4.95 out of 5 stars(20)
    • 4WD
    • Push Button Start
    • Bluetooth
    • Remote Start
    Close

    Located in Tampa, FL / 471 miles away from Slidell, LA

    Summit White 2026 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Backup/Rearview Camera, Remote Start, Bluetooth...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY1TF101780
    Stock: T0647
    Listed since: 08-21-2025

Showing 1 - 21 out of 126 listings
TrimMPGEngineStarting Price
2026 GMC Sierra 3500HD undefinedN/AN/A$61,500

More about the GMC Sierra 3500HD

Edmunds has 126 New GMC Sierra 3500HDs for sale near you, including a 2026 Sierra 3500HD Pro and a 2026 Sierra 3500HD Denali Ultimate ranging in price from $61,500 to $106,450.

How much is a new 2026 GMC Sierra 3500HD in Slidell, LA?

A new 2026 GMC Sierra 3500HD starts at $61,500 (including destination charge) in Slidell, LA. Prices will go up based on the trim level you choose and any options you add. Keep in mind that prices can also vary from one state to another and even from one dealership to the next.

How much is a brand-new GMC Sierra 3500HD in Slidell, LA?

A brand-new GMC Sierra 3500HD starts at $61,500 in Slidell, LA. The price can change based on a number of factors such as location, model year, trim level and options.
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