Used GMC Sierra 1500 AT4 for Sale

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    Sponsored by Magic GMC
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    New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    75,772
    MSRP$75,650
    See estimated payment
    Dealer Fees Included
    Similar Match
    Magic GMC
    • (562) 562-9484
    • Check Availability
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    31 Matches

    Price Drop
    Used 2020 GMC Sierra 1500 AT4
    Used

    2020 GMC Sierra 1500

    • AT4
    • 64K mi
    37,202
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by SWICKARD HONDA OF THOUSAND OAKS
    • 32.61 mi. away
    • (805) 719-1883
    360°
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 31K mi
    48,466
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Knight Claremont Chrysler Dodge Jeep Ram
    • 30.64 mi. away
    • (909) 741-1804
    • Delivery
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 35K mi
    50,460
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Puente Hills Chrysler Dodge Jeep Ram
    • 20.45 mi. away
    • (833) 583-5983
    Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2020 GMC Sierra 1500

    • AT4
    • 58K mi
    38,490
    Great Price
    Dealer Fees Included
    No Accidents
    NISSAN OF DOWNTOWN LA/INFINITI OF DOWNTOWN LA
    • 5.07 mi. away
    • (213) 338-7423
    Price Drop -$925
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 36K mi
    44,102
    Great Price
    Dealer Fees Included
    No Accidents
    Mercedes-Benz of South Bay
    • 21.91 mi. away
    • 1 (844) 503-6741
    Used 2026 GMC Sierra 1500 AT4

    2026 GMC Sierra 1500

    • AT4
    • 4K mi
    60,122
    Dealer Fees Included
    No Accidents
    Van Nuys CDJR
    • 11.78 mi. away
    • (818) 647-1529
    • Delivery
    New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Consider Buying New

    2026 GMC Sierra 1500

    • AT4
    • 1 mi
    71,262
    Hatfield Buick GMC
    • 61.96 mi. away
    • (909) 253-7051
    Price Drop -$2,492
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    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 39K mi
    47,226
    Great Price
    Dealer Fees Included
    No Accidents
    Knight Claremont Chrysler Dodge Jeep Ram
    • 30.64 mi. away
    • (909) 741-1804
    • Delivery
    Price Drop -$2,135
    360°
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 39K mi
    48,239
    Great Price
    Dealer Fees Included
    No Accidents
    Knight Claremont Chrysler Dodge Jeep Ram
    • 30.64 mi. away
    • (909) 741-1804
    • Delivery
    Sponsored
    Price Drop -$2,492
    360°
    Item 1 of 4.
    Used 2025 GMC Sierra 1500 AT4
    Price Reduced!
    Used

    2025 GMC Sierra 1500

    • AT4
    • 39K mi
    47,226
    Great Price
    Dealer Fees Included
    No Accidents
    Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2020 GMC Sierra 1500

    • AT4
    • 111K mi
    34,580
    No Accidents
    Private Seller Exchange
    • 27.81 mi. away
    • Buy Online. Clean title. No Hassle
    Used 2026 GMC Sierra 1500 AT4
    Used

    2026 GMC Sierra 1500

    • AT4
    • 12K mi
    55,947
    Great Price
    Dealer Fees Included
    No Accidents
    Tustin Buick GMC
    • 37.39 mi. away
    • (714) 426-9675
    360°
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 31K mi
    48,466
    Great Price
    Dealer Fees Included
    No Accidents
    Knight Claremont Chrysler Dodge Jeep Ram
    • 30.64 mi. away
    • (909) 741-1804
    • Delivery
    Used 2021 GMC Sierra 1500 AT4
    Used

    2021 GMC Sierra 1500

    • AT4
    • 72K mi
    40,872
    Good Price
    Dealer Fees Included
    No Accidents
    Harbor Chevrolet
    • 20.34 mi. away
    • (562) 724-4121
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 35K mi
    50,460
    Great Price
    Dealer Fees Included
    No Accidents
    Puente Hills Chrysler Dodge Jeep Ram
    • 20.45 mi. away
    • (833) 583-5983
    Price Drop -$1,000
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 25K mi
    52,117
    Great Price
    Dealer Fees Included
    No Accidents
    Weir Canyon Honda
    • 33.37 mi. away
    • (657) 272-7546
    Price Drop
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 32K mi
    50,739
    Great Price
    Dealer Fees Included
    No Accidents
    AV GMC Cadillac
    • 33.96 mi. away
    • (661) 234-7223
    Price Drop
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 83K mi
    37,077
    Great Price
    Dealer Fees Included
    No Accidents
    AutoNation Ford Tustin
    • 37.44 mi. away
    • (657) 205-2769
    Price Drop
    Used 2020 GMC Sierra 1500 AT4
    Used

    2020 GMC Sierra 1500

    • AT4
    • 64K mi
    37,202
    Great Price
    Dealer Fees Included
    No Accidents
    SWICKARD HONDA OF THOUSAND OAKS
    • 32.61 mi. away
    • (805) 719-1883
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 28K mi
    51,439
    Great Price
    Dealer Fees Included
    No Accidents
    AV GMC Cadillac
    • 33.96 mi. away
    • (661) 234-7223
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 23K mi
    52,439
    Great Price
    Dealer Fees Included
    No Accidents
    AV GMC Cadillac
    • 33.96 mi. away
    • (661) 234-7223
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 19K mi Mileage Value
    49,560
    Great Price
    Dealer Fees Included
    No Accidents
    Costa Mesa GMC
    • 36.33 mi. away
    • (949) 620-0224
    Used 2026 GMC Sierra 1500 AT4
    Used

    2026 GMC Sierra 1500

    • AT4
    • 7K mi
    61,122
    Great Price
    Dealer Fees Included
    No Accidents
    Reynolds GMC
    • 21.29 mi. away
    • (626) 257-5458
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 19K mi
    49,560
    Great Price
    Dealer Fees Included
    No Accidents
    Sponsored by Costa Mesa GMC
    • 36.33 mi. away
    • (949) 620-0224
    Used 2025 GMC Sierra 1500 AT4
    Used

    2025 GMC Sierra 1500

    • AT4
    • 28K mi
    49,617
    Great Price
    Dealer Fees Included
    Empire Nissan
    • 41 mi. away
    • (840) 237-2086
    Used 2022 GMC Sierra 1500 AT4
    Used

    2022 GMC Sierra 1500

    • AT4
    • 57K mi
    39,284
    No Accidents
    Fontana Motors Direct
    • 45.89 mi. away
    • (909) 329-2641
    • Online Paperwork
    Used 2024 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2024 GMC Sierra 1500

    • AT4
    • 62K mi
    48,355
    Great Price
    Dealer Fees Included
    No Accidents
    Pacific Auto Center
    • 46.64 mi. away
    • (909) 587-1329
    • Delivery
    Used 2023 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2023 GMC Sierra 1500

    • AT4
    • 44K mi
    53,350
    Dealer Fees Included
    No Accidents
    Pacific Auto Center
    • 46.64 mi. away
    • (909) 587-1329
    • Delivery
    Newly Listed
    No Image Available
    Used

    2019 GMC Sierra 1500

    • AT4
    • 83K mi
    33,117
    Dealer Fees Included
    Thorson Motor Center
    • 10.59 mi. away
    • (626) 360-0088
    Newly Listed
    Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package
    Used

    2021 GMC Sierra 1500

    • AT4
    • 61K mi
    41,447
    Good Price
    Dealer Fees Included
    No Accidents
    Tustin Buick GMC
    • 37.39 mi. away
    • (714) 426-9675
    Used 2024 GMC Sierra 1500 AT4 w/ Technology Package
    Used

    2024 GMC Sierra 1500

    • AT4
    • 15K mi
    46,000
    Autolocity Motors
    • (385) 453-5138
    • Delivery
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