Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • Blue 2024 GMC Sierra 1500 AT4Blue 2024 GMC Sierra 1500 AT4

    $55,391

    $297
    34,815 mi.
    Est. $1,010/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (17 mi)

    Quick view
  • Dynamic Blue Metallic 2023 GMC Sierra 1500 AT4Dynamic Blue Metallic 2023 GMC Sierra 1500 AT4Dynamic Blue Metallic 2023 GMC Sierra 1500 AT4Dynamic Blue Metallic 2023 GMC Sierra 1500 AT4Dynamic Blue Metallic 2023 GMC Sierra 1500 AT4Dynamic Blue Metallic 2023 GMC Sierra 1500 AT4

    $50,072

    80,609 mi.
    Est. $913/mo

    Loveland Ford Lincoln

    4.3
    Check Availability
    Loveland, CO (21 mi)
    Quick view
  • Black 2025 GMC Sierra 1500 AT4Black 2025 GMC Sierra 1500 AT4Black 2025 GMC Sierra 1500 AT4Black 2025 GMC Sierra 1500 AT4Black 2025 GMC Sierra 1500 AT4Black 2025 GMC Sierra 1500 AT4

    $55,550

    $1.4K
    61,418 mi.
    Est. $1,013/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (22 mi)
    Quick view
  • Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $38,052

    97,681 mi.
    Est. $694/mo

    Skyline Mitsubishi

    4.9
    Check Availability
    Thornton, CO (17 mi)
    Quick view
  • Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4

    $57,710

    41,626 mi.
    Est. $1,053/mo

    Subaru of Loveland

    4.9
    Check Availability
    Loveland, CO (23 mi)
    Quick view
  • Summit White 2025 GMC Sierra 1500 AT4Summit White 2025 GMC Sierra 1500 AT4Summit White 2025 GMC Sierra 1500 AT4Summit White 2025 GMC Sierra 1500 AT4Summit White 2025 GMC Sierra 1500 AT4Summit White 2025 GMC Sierra 1500 AT4

    $59,691

    9,141 mi.
    Est. $1,089/mo

    Auto Mart USA

    Check Availability
    Aurora, CO (29 mi)
    Quick view
  • Onyx Black 2024 GMC Sierra 1500 AT4Onyx Black 2024 GMC Sierra 1500 AT4Onyx Black 2024 GMC Sierra 1500 AT4Onyx Black 2024 GMC Sierra 1500 AT4Onyx Black 2024 GMC Sierra 1500 AT4Onyx Black 2024 GMC Sierra 1500 AT4

    $54,249

    $600
    46,466 mi.
    Est. $990/mo

    Shortline Buick GMC

    Check Availability
    Aurora, CO (30 mi)
    Quick view
  • Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4

    $44,995

    79,490 mi.
    Est. $821/mo

    Truck Kings

    Check Availability
    Denver, CO (29 mi)
    Quick view
  • Quicksilver Metallic 2022 GMC Sierra 1500 AT4Quicksilver Metallic 2022 GMC Sierra 1500 AT4Quicksilver Metallic 2022 GMC Sierra 1500 AT4Quicksilver Metallic 2022 GMC Sierra 1500 AT4Quicksilver Metallic 2022 GMC Sierra 1500 AT4Quicksilver Metallic 2022 GMC Sierra 1500 AT4

    $48,054

    64,670 mi.
    Est. $877/mo

    Loveland Buick GMC

    Check Availability
    Loveland, CO (23 mi)
    Quick view
  • Gray 2024 GMC Sierra 1500 AT4Gray 2024 GMC Sierra 1500 AT4Gray 2024 GMC Sierra 1500 AT4Gray 2024 GMC Sierra 1500 AT4Gray 2024 GMC Sierra 1500 AT4Gray 2024 GMC Sierra 1500 AT4

    $54,697

    $2K
    32,852 mi.
    Est. $998/mo

    Foundation Chevrolet

    4.5
    Check Availability
    Wheat Ridge, CO (25 mi)
    Quick view
  • Volcanic Red 2024 GMC Sierra 1500 AT4Volcanic Red 2024 GMC Sierra 1500 AT4Volcanic Red 2024 GMC Sierra 1500 AT4Volcanic Red 2024 GMC Sierra 1500 AT4Volcanic Red 2024 GMC Sierra 1500 AT4Volcanic Red 2024 GMC Sierra 1500 AT4

    $56,091

    37,476 mi.
    Est. $1,023/mo

    Auto Mart USA

    Check Availability
    Aurora, CO (29 mi)
    Quick view
  • Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4

    $38,201

    90,982 mi.
    Est. $697/mo

    Stevinson Hyundai of Frederick

    4.6
    Check Availability
    Longmont, CO (3 mi)
    Quick view
  • WHITE 2019 GMC Sierra 1500 AT4WHITE 2019 GMC Sierra 1500 AT4WHITE 2019 GMC Sierra 1500 AT4WHITE 2019 GMC Sierra 1500 AT4WHITE 2019 GMC Sierra 1500 AT4WHITE 2019 GMC Sierra 1500 AT4

    $37,998

    82,638 mi.
    Est. $693/mo

    Super Auto Company, Inc.

    5.0
    Check Availability
    Denver, CO (27 mi)
    Quick view
  • Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4

    $56,497

    29,205 mi.
    Est. $1,031/mo

    ClearShift - Loveland

    4.7
    Check Availability
    Loveland, CO (22 mi)
    Quick view
  • Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4Summit White 2022 GMC Sierra 1500 AT4

    $44,988

    59,090 mi.
    Est. $821/mo

    Alpine Chevrolet

    4.5
    Check Availability
    Aurora, CO (27 mi)
    Quick view
  • Sterling Metallic 2023 GMC Sierra 1500 AT4Sterling Metallic 2023 GMC Sierra 1500 AT4Sterling Metallic 2023 GMC Sierra 1500 AT4Sterling Metallic 2023 GMC Sierra 1500 AT4Sterling Metallic 2023 GMC Sierra 1500 AT4Sterling Metallic 2023 GMC Sierra 1500 AT4

    $52,797

    38,221 mi.
    Est. $963/mo

    Foundation Chevrolet

    4.5
    Check Availability
    Wheat Ridge, CO (25 mi)
    Quick view
  • Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4Summit White 2024 GMC Sierra 1500 AT4

    $58,802

    20,022 mi.
    Est. $1,073/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 mi)
    Quick view
  • Sterling Metallic 2024 GMC Sierra 1500 AT4Sterling Metallic 2024 GMC Sierra 1500 AT4Sterling Metallic 2024 GMC Sierra 1500 AT4Sterling Metallic 2024 GMC Sierra 1500 AT4Sterling Metallic 2024 GMC Sierra 1500 AT4Sterling Metallic 2024 GMC Sierra 1500 AT4

    $53,497

    29,284 mi.
    Est. $976/mo

    AutoNation Chevrolet North

    3.7
    Check Availability
    Denver, CO (20 mi)
    Quick view
  • Sterling 2024 GMC Sierra 1500 AT4Sterling 2024 GMC Sierra 1500 AT4Sterling 2024 GMC Sierra 1500 AT4Sterling 2024 GMC Sierra 1500 AT4Sterling 2024 GMC Sierra 1500 AT4Sterling 2024 GMC Sierra 1500 AT4

    $57,488

    37,367 mi.
    Est. $1,049/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (13 mi)
    Quick view
  • Pacific Blue Metallic 2019 GMC Sierra 1500 AT4Pacific Blue Metallic 2019 GMC Sierra 1500 AT4Pacific Blue Metallic 2019 GMC Sierra 1500 AT4Pacific Blue Metallic 2019 GMC Sierra 1500 AT4Pacific Blue Metallic 2019 GMC Sierra 1500 AT4Pacific Blue Metallic 2019 GMC Sierra 1500 AT4

    $34,743

    $1K
    69,647 mi.
    Est. $634/mo

    AutoNation Chevrolet North

    3.7
    Check Availability
    Denver, CO (20 mi)
    Quick view
  • Onyx Black 2019 GMC Sierra 1500 AT4Onyx Black 2019 GMC Sierra 1500 AT4Onyx Black 2019 GMC Sierra 1500 AT4Onyx Black 2019 GMC Sierra 1500 AT4Onyx Black 2019 GMC Sierra 1500 AT4Onyx Black 2019 GMC Sierra 1500 AT4

    $31,897

    93,245 mi.
    Est. $582/mo

    Sterling Auto Sales - Frederick

    Check Availability
    Longmont, CO (3 mi)
    Quick view
  • Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4

    $50,084

    50,295 mi.
    Est. $914/mo

    Loveland Buick GMC

    Check Availability
    Loveland, CO (23 mi)
    Quick view
  • Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4Onyx Black 2025 GMC Sierra 1500 AT4

    $58,335

    24,363 mi.
    Est. $1,064/mo

    Auto Mart USA

    Check Availability
    Aurora, CO (29 mi)
    Quick view
  • Sterling 2025 GMC Sierra 1500 AT4Sterling 2025 GMC Sierra 1500 AT4Sterling 2025 GMC Sierra 1500 AT4Sterling 2025 GMC Sierra 1500 AT4Sterling 2025 GMC Sierra 1500 AT4Sterling 2025 GMC Sierra 1500 AT4

    $59,956

    11,613 mi.
    Est. $1,094/mo

    Auto Mart USA

    Check Availability
    Aurora, CO (29 mi)
    Quick view
  • Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4

    $38,990

    65,928 mi.
    Est. $711/mo

    Young GMC Burley

    Check Availability
    Free delivery from Burley, ID (490 mi)
    Quick view
  • Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4Onyx Black 2022 GMC Sierra 1500 AT4

    $44,998

    $2.3K
    51,106 mi.
    Est. $821/mo

    Scottsdale Mitsubishi

    3.9
    Check Availability
    $1,196 delivery from Scottsdale, AZ (598 mi)
    Quick view
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed

GMC Sierra 1500 AT4 by city

GMC Sierra 1500 AT4 by year

GMC Sierra 1500 by trim