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
  • Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4

    $38,790

    $200
    71,656 mi.
    Est. $691/mo

    O'Meara Ford

    4.3
    Check Availability
    Northglenn, CO (11 mi)

    Quick view
  • Volcanic Red 2023 GMC Sierra 1500 AT4

    $54,629

    42,825 mi.
    Est. $973/mo

    Bozarth Chevrolet #1 Park Meadows

    4.9
    Check Availability
    Lone Tree, CO (16 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

    $35,999

    116,338 mi.
    Est. $641/mo

    AutoNation Toyota Arapahoe

    4.8
    Check Availability
    Centennial, CO (15 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

    $36,998

    80,644 mi.
    Est. $659/mo

    Colorado Auto Finders

    4.1
    Check Availability
    Centennial, CO (16 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

    $31,999

    106,767 mi.
    Est. $570/mo

    ETHIO Motors

    4.6
    Check Availability
    Denver, CO (2 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. $802/mo

    Truck Kings

    Check Availability
    Denver, CO (4 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. $677/mo

    Super Auto Company, Inc.

    5.0
    Check Availability
    Denver, CO (1 mi)
    Quick view
  • Summit White 2023 GMC Sierra 1500 AT4Summit White 2023 GMC Sierra 1500 AT4Summit White 2023 GMC Sierra 1500 AT4Summit White 2023 GMC Sierra 1500 AT4Summit White 2023 GMC Sierra 1500 AT4Summit White 2023 GMC Sierra 1500 AT4

    $46,798

    $1.1K
    66,667 mi.
    Est. $834/mo

    Alpine Buick GMC

    4.4
    Check Availability
    Littleton, CO (8 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

    $57,000

    17,908 mi.
    Est. $1,016/mo

    Corwin Toyota Boulder

    4.1
    Check Availability
    Boulder, CO (22 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

    $37,000

    $1.9K
    79,369 mi.
    Est. $659/mo

    Berkenkotter Motors Castle Rock

    4.5
    Check Availability
    Castle Rock, 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

    $49,999

    43,878 mi.
    Est. $891/mo

    AutoNation Buick GMC West

    4.0
    Check Availability
    Golden, CO (7 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

    $2K
    59,084 mi.
    Est. $802/mo

    Alpine Chevrolet

    4.5
    Check Availability
    Aurora, CO (14 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

    $1.6K
    24,363 mi.
    Est. $1,039/mo

    Auto Mart USA

    Check Availability
    Aurora, CO (12 mi)
    Quick view
  • Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4

    $37,394

    83,639 mi.
    Est. $666/mo

    Alpine Buick GMC

    4.4
    Check Availability
    Littleton, CO (8 mi)
    Quick view
  • Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4

    $39,500

    $495
    87,286 mi.
    Est. $704/mo

    Berkenkotter Motors Castle Rock

    4.5
    Check Availability
    Castle Rock, CO (29 mi)
    Quick view
  • Summit White 2019 GMC Sierra 1500 AT4Summit White 2019 GMC Sierra 1500 AT4Summit White 2019 GMC Sierra 1500 AT4Summit White 2019 GMC Sierra 1500 AT4Summit White 2019 GMC Sierra 1500 AT4Summit White 2019 GMC Sierra 1500 AT4

    $31,839

    $2K
    95,016 mi.
    Est. $567/mo

    Alpine Chevrolet

    4.5
    Check Availability
    Aurora, CO (14 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

    $53,990

    29,284 mi.
    Est. $962/mo

    AutoNation Chevrolet North

    3.7
    Check Availability
    Denver, CO (8 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

    $42,510

    $280
    41,809 mi.
    Est. $757/mo

    Groove Toyota

    4.6
    Check Availability
    Englewood, CO (10 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

    $58,853

    $128
    11,613 mi.
    Est. $1,049/mo

    Auto Mart USA

    Check Availability
    Aurora, CO (12 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 AT4

    $44,988

    38,705 mi.
    Est. $802/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (19 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

    $59,598

    20,019 mi.
    Est. $1,062/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (19 mi)
    Quick view
  • Dynamic Blue Metallic 2024 GMC Sierra 1500 AT4Dynamic Blue Metallic 2024 GMC Sierra 1500 AT4Dynamic Blue Metallic 2024 GMC Sierra 1500 AT4Dynamic Blue Metallic 2024 GMC Sierra 1500 AT4Dynamic Blue Metallic 2024 GMC Sierra 1500 AT4Dynamic Blue Metallic 2024 GMC Sierra 1500 AT4

    $51,412

    28,004 mi.
    Est. $916/mo

    AutoNation Chevrolet North

    3.7
    Check Availability
    Denver, CO (8 mi)
    Quick view
  • Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4

    $34,393

    $2.5K
    99,210 mi.
    Est. $613/mo

    Auto Mart USA

    Check Availability
    Aurora, CO (12 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

    $53,998

    25,023 mi.
    Est. $962/mo

    Transwest CDJR

    4.8
    Check Availability
    Free delivery from Limon, CO (80 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

    $59,000

    $440
    10,581 mi.
    Est. $1,051/mo

    Jim Marsh Chrysler Jeep

    4.4
    Check Availability
    $605 delivery from Las Vegas, NV (605 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