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  • $78,424
    good price
    $5,287 below market
    • 16,807 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    Legacy Buick GMC is excited to offer this 2025 GMC Sierra 2500HD AT4. This GMC Sierra 2500HD AT4's level of quality is not meant for just anyone. It's...

    Listing Information:
    VIN:
    1GT4UPEY4SF181603
    Stock:
    26G2173A
    Certified Pre-Owned:
    No
    Listed since:
    05-06-2026
  • Price Drop
    $75,695
    good price
    $9,069 below market
    • 14,467 miles
    • 6'10” bed, 6.6l, 8cyl
    • 74 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Harvey, LA / 74 miles away from Baton Rouge, LA

    CARFAX 1-Owner, Excellent Condition. Navigation, Heated/Cooled Leather Seats, 4x4, Aluminum Wheels, Bed Liner, Trailer Hitch, Heated Rear Seat, ENGINE...

    Listing Information:
    VIN:
    1GT4UPEY3SF304761
    Stock:
    SF304761
    Certified Pre-Owned:
    No
    Listed since:
    05-18-2026
  • $57,999
    good price
    $4,887 below market
    • 89,155 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    Check out this pre-owned 2023 GMC Sierra 2500HD we recently got in. Sophistication & understated luxury comes standard on this GMC Sierra 2500HD AT4. ...

    Listing Information:
    VIN:
    1GT49PEY3PF258891
    Stock:
    26G1696A
    Certified Pre-Owned:
    No
    Listed since:
    06-03-2026
  • $42,764
    good price
    $4,954 below market
    • 114,132 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    This 2022 GMC Sierra 2500HD SLT is offered to you for sale by Legacy Buick GMC. Indulge yourself with one of the most highly crafted, most luxurious a...

    Listing Information:
    VIN:
    1GT19NEY3NF112849
    Stock:
    26G1593A
    Certified Pre-Owned:
    No
    Listed since:
    03-04-2026
  • *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.
  • $71,428
    good price
    $4,425 below market
    • 52,095 miles
    • 6'10” bed, 6.6l, 8cyl
    • 61 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Opelousas, LA / 61 miles away from Baton Rouge, LA

    AT4 trim. CARFAX 1-Owner. NAV, Heated Leather Seats, 4WD, Alloy Wheels, Bed Liner, Tow Hitch, Heated Rear Seat, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, ...

    Listing Information:
    VIN:
    1GT4UPEY9SF124944
    Stock:
    26T029A
    Certified Pre-Owned:
    No
    Listed since:
    03-23-2026
  • New Listing
    Stock photo**
    $74,900
    good price
    $4,516 below market
    • 31,630 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Brookhaven, MS / 79 miles away from Baton Rouge, LA

    Look at this 2024 GMC Sierra 2500HD AT4. Its Automatic transmission and Turbocharged Diesel V8 6.6L/ engine will keep you going. This GMC Sierra 2500H...

    Listing Information:
    VIN:
    1GT49PEY0RF223311
    Stock:
    843426B
    Certified Pre-Owned:
    No
    Listed since:
    06-08-2026
  • $73,995
    good price
    $3,028 below market
    • 41,227 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    This outstanding example of a 2024 GMC Sierra 2500HD Denali Ultimate is offered by Legacy Buick GMC. Indulge yourself with one of the most highly craf...

    Listing Information:
    VIN:
    1GT49XEY7RF120516
    Stock:
    25G1073A
    Certified Pre-Owned:
    No
    Listed since:
    05-12-2025
  • $42,024
    good price
    $1,856 below market
    • 164,341 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    Legacy Buick GMC has a wide selection of exceptional pre-owned vehicles to choose from, including this 2021 GMC Sierra 2500HD. Put performance, safety...

    Listing Information:
    VIN:
    1GT49REY1MF126123
    Stock:
    26G1751A
    Certified Pre-Owned:
    No
    Listed since:
    05-08-2026
  • *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.
  • $82,900
    fair price
    $1,862 below market
    • 31,137 miles
    • 6'10” bed, 6.6l, 8cyl
    • 61 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Opelousas, LA / 61 miles away from Baton Rouge, LA

    CARFAX 1-Owner, Excellent Condition. Heated/Cooled Leather Seats, Moonroof, Navigation, Heated Rear Seat, 4x4, Aluminum Wheels CLICK NOW!KEY FEATURES ...

    Listing Information:
    VIN:
    1GT4UXEYXSF288655
    Stock:
    G22969TA
    Certified Pre-Owned:
    No
    Listed since:
    04-20-2026
  • $37,075
    great price
    $3,552 below market
    • 86,870 miles
    • 8'2” bed, 6.6l, 8cyl
    • 62 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Lafayette, LA / 62 miles away from Baton Rouge, LA

    Listing Information:
    VIN:
    1GT59LE78RF119489
    Stock:
    13148
    Certified Pre-Owned:
    No
  • $52,999
    good price
    $1,660 below market
    • 26,267 miles
    • 8'2” bed, 6.6l, 8cyl
    • 98 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Jennings, LA / 98 miles away from Baton Rouge, LA

    CARFAX 1-Owner. Keyless Start, Onboard Communications System, Running Boards, Back-Up Camera, TRANSMISSION, ALLISON 10-SPEED AUTOMA. ENGINE, 6.6L V8,...

    Listing Information:
    VIN:
    1GT4ULEY5SF260917
    Stock:
    GW2402A
    Certified Pre-Owned:
    No
    Listed since:
    12-26-2025
  • Price Drop
    $63,879
    fair price
    $364 below market
    • 56,649 miles
    • 6'10” bed, 6.6l, 8cyl
    • 21 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Gonzales, LA / 21 miles away from Baton Rouge, LA

    Supreme Chevrolet of Gonzales is delighted to offer this outstanding-looking 2024 GMC Sierra 2500HD SLT in Summit White Beautifully equipped with Goos...

    Listing Information:
    VIN:
    1GT49NEY1RF212922
    Stock:
    SC19122B
    Certified Pre-Owned:
    No
    Listed since:
    04-02-2026
  • *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**
    $76,546
    fair price
    $1,512 below market
    • 14,273 miles
    • 6'10” bed, 6.6l, 8cyl
    • 98 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Jennings, LA / 98 miles away from Baton Rouge, LA

    CARFAX 1-Owner, LOW MILES - 14,273! Heated/Cooled Leather Seats, Nav System, Heated Rear Seat, 4x4, Aluminum Wheels, Bed Liner, Hitch, ENGINE, DURAMAX...

    Listing Information:
    VIN:
    1GT4UPEY3SF137236
    Stock:
    CW3287A
    Certified Pre-Owned:
    No
    Listed since:
    05-29-2026
  • $44,785
    good price
    $2,063 below market
    • 93,359 miles
    • 6'10” bed, 6.6l, 8cyl
    • 61 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Opelousas, LA / 61 miles away from Baton Rouge, LA

    Pro trim. CARFAX 1-Owner. Keyless Start, Back-Up Camera, 4WD, Trailer Hitch, LPO, BLACK TUBULAR ASSIST STEPS, 6 R... TRANSMISSION, ALLISON 10-SPEED AU...

    Listing Information:
    VIN:
    1GT49LEY8RF265444
    Stock:
    26T176A
    Certified Pre-Owned:
    No
    Listed since:
    02-14-2026
  • $59,949
    fair price
    $2,354 above market
    • 20,471 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    Thank you for your interest in one of Legacy Buick GMC's online offerings. Please continue for more information regarding this 2025 GMC Sierra 2500HD ...

    Listing Information:
    VIN:
    1GT4ULEY3SF165756
    Stock:
    26G1974A
    Certified Pre-Owned:
    No
    Listed since:
    05-23-2026
  • $45,120
    fair price
    $71 below market
    • 57,443 miles
    • 6'10” bed, 6.6l, 8cyl
    • 61 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Opelousas, LA / 61 miles away from Baton Rouge, LA

    Extra Clean, CARFAX 1-Owner. WiFi Hotspot, Onboard Communications System, Satellite Radio, Running Boards, Back-Up Camera READ MORE!KEY FEATURES INCLU...

    Listing Information:
    VIN:
    1GT49ME72PF181937
    Stock:
    G22905A
    Certified Pre-Owned:
    No
    Listed since:
    05-28-2026
  • *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.
    • 72,833 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    Legacy Buick GMC is excited to offer this 2024 GMC Sierra 2500HD Denali Ultimate. You appreciate the finer things in life, the vehicle you drive shoul...

    Listing Information:
    VIN:
    1GT49XEYXRF354410
    Stock:
    26G2170A
    Certified Pre-Owned:
    No
    Listed since:
    05-15-2026
  • $71,490
    good price
    $3,956 below market
    • 31,358 miles
    • 6'10” bed, 6.6l, 8cyl
    • 62 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Lafayette, LA / 62 miles away from Baton Rouge, LA

    Listing Information:
    VIN:
    1GT49REY5RF401743
    Stock:
    13122A
    Certified Pre-Owned:
    No
    • 90,292 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    Contact Legacy Buick GMC today for information on dozens of vehicles like this 2024 GMC Sierra 2500HD Denali Ultimate. Quality and prestige abound wit...

    Listing Information:
    VIN:
    1GT49XEY3RF247361
    Stock:
    205219DU
    Certified Pre-Owned:
    No
    Listed since:
    02-20-2026
  • $48,199
    fair price
    $643 above market
    • 148,995 miles
    • 6'10” bed, 6.6l, 8cyl
    • 79 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Slidell, LA / 79 miles away from Baton Rouge, LA

    Contact Legacy Buick GMC today for information on dozens of vehicles like this 2020 GMC Sierra 2500HD Denali. The GMC Sierra 2500HD Denali's pristine ...

    Listing Information:
    VIN:
    1GT49REY1LF341189
    Stock:
    26G2163A
    Certified Pre-Owned:
    No
    Listed since:
    06-04-2026
  • $26,798
    good price
    $2,846 below market
    • 141,357 miles
    • 6'7” bed, 6l, 8cyl
    • 78 mi away
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Ferriday, LA / 78 miles away from Baton Rouge, LA

    Listing Information:
    VIN:
    1GT12TEG6HF101588
    Stock:
    P3031A
    Certified Pre-Owned:
    No
Showing 1 - 21 out of 341 listings