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  • Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4

    $39,996

    $1.2K
    49,389 mi.
    Est. $685/mo

    Blasius of Bristol

    3.5
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    Bristol, CT (20 mi)
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  • Gray 2025 GMC Sierra 1500 AT4Gray 2025 GMC Sierra 1500 AT4Gray 2025 GMC Sierra 1500 AT4Gray 2025 GMC Sierra 1500 AT4Gray 2025 GMC Sierra 1500 AT4Gray 2025 GMC Sierra 1500 AT4

    $57,997

    $3K
    19,874 mi.
    Est. $993/mo

    Ingersoll Auto of Danbury

    4.1
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    Danbury, CT (24 mi)
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  • 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

    $38,745

    95,693 mi.
    Est. $664/mo

    Terryville Chevrolet

    4.5
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    Terryville, CT (13 mi)
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  • 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

    $38,793

    81,407 mi.
    Est. $664/mo

    J & M Automotive

    4.9
    Check Availability
    Naugatuck, CT (21 mi)
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  • 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

    $44,997

    33,089 mi.
    Est. $771/mo

    GMC of Watertown

    3.9
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    Watertown, CT (14 mi)
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  • 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

    $39,996

    52,009 mi.
    Est. $685/mo

    Loehmann-Blasius Chevrolet

    4.0
    Check Availability
    Waterbury, CT (19 mi)
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  • Onyx Black 2023 GMC Sierra 1500 AT4Onyx Black 2023 GMC Sierra 1500 AT4Onyx Black 2023 GMC Sierra 1500 AT4Onyx Black 2023 GMC Sierra 1500 AT4Onyx Black 2023 GMC Sierra 1500 AT4Onyx Black 2023 GMC Sierra 1500 AT4

    $47,997

    46,528 mi.
    Est. $822/mo

    Ingersoll Auto of Danbury

    4.1
    Check Availability
    Danbury, CT (24 mi)
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  • Thunderstorm Gray 2025 GMC Sierra 1500 AT4Thunderstorm Gray 2025 GMC Sierra 1500 AT4Thunderstorm Gray 2025 GMC Sierra 1500 AT4Thunderstorm Gray 2025 GMC Sierra 1500 AT4Thunderstorm Gray 2025 GMC Sierra 1500 AT4Thunderstorm Gray 2025 GMC Sierra 1500 AT4

    $59,976

    $501
    21,802 mi.
    Est. $1,027/mo

    Northwest Hills - Cadillac Chevrolet Chrysler Dodge GMC Jeep RAM

    4.8
    Check Availability
    Torrington, CT (12 mi)
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  • Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4

    $50,587

    36,000 mi.
    Est. $866/mo

    Blasius Mitsubishi

    3.1
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    Brookfield, CT (20 mi)
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  • Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4

    $40,672

    $2.3K
    48,599 mi.
    Est. $697/mo

    Blasius of Bristol

    3.5
    Check Availability
    Bristol, CT (20 mi)
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  • Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4

    $38,976

    $100
    72,236 mi.
    Est. $668/mo

    Northwest Hills - Cadillac Chevrolet Chrysler Dodge GMC Jeep RAM

    4.8
    Check Availability
    Torrington, CT (12 mi)
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  • Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4Blue Metallic 2024 GMC Sierra 1500 AT4

    $48,245

    47,500 mi.
    Est. $826/mo

    Blasius Mitsubishi

    3.1
    Check Availability
    Brookfield, CT (20 mi)
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  • Titanium Rush Metallic 2024 GMC Sierra 1500 AT4Titanium Rush Metallic 2024 GMC Sierra 1500 AT4Titanium Rush Metallic 2024 GMC Sierra 1500 AT4Titanium Rush Metallic 2024 GMC Sierra 1500 AT4Titanium Rush Metallic 2024 GMC Sierra 1500 AT4Titanium Rush Metallic 2024 GMC Sierra 1500 AT4

    $46,996

    76,630 mi.
    Est. $805/mo

    Blasius of Bristol

    3.5
    Check Availability
    Bristol, CT (20 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4

    $60,997

    $2.5K
    11 mi.
    Est. $1,045/mo

    GMC of Watertown

    3.9
    Check Availability
    Watertown, CT (14 mi)
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  • Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4

    $63,997

    18 mi.
    Est. $1,096/mo

    Ingersoll Auto of Danbury

    4.1
    Check Availability
    Danbury, CT (24 mi)
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  • Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4

    Not Priced

    92,502 mi.
    Est. $0/mo

    GMC of Watertown

    3.9
    Check Availability
    Watertown, CT (14 mi)
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  • Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4

    Not Priced

    32 mi.
    Est. $0/mo

    GMC of Watertown

    3.9
    Check Availability
    Watertown, CT (14 mi)
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  • 2023 GMC Sierra 1500 AT42023 GMC Sierra 1500 AT42023 GMC Sierra 1500 AT4

    Not Priced

    57,063 mi.
    Est. $0/mo

    GMC of Watertown

    3.9
    Check Availability
    Watertown, CT (14 mi)
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  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $66,997

    9 mi.
    Est. $1,147/mo

    GMC of Watertown

    3.9
    Check Availability
    Watertown, CT (14 mi)
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  • Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4

    $63,997

    $1K
    8 mi.
    Est. $1,096/mo

    GMC of Watertown

    3.9
    Check Availability
    Watertown, CT (14 mi)
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  • 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

    Not Priced

    55,688 mi.
    Est. $0/mo

    Loehmann-Blasius Chevrolet

    4.0
    Check Availability
    Waterbury, CT (19 mi)
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  • Silver Ice Metallic 2025 GMC Sierra 1500 AT4Silver Ice Metallic 2025 GMC Sierra 1500 AT4Silver Ice Metallic 2025 GMC Sierra 1500 AT4Silver Ice Metallic 2025 GMC Sierra 1500 AT4Silver Ice Metallic 2025 GMC Sierra 1500 AT4Silver Ice Metallic 2025 GMC Sierra 1500 AT4

    $60,967

    $500
    13,295 mi.
    Est. $1,044/mo

    Imperial Chevrolet

    4.5
    Check Availability
    $399 delivery from Mendon, MA (92 mi)
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  • White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4

    $44,998

    39,517 mi.
    Est. $771/mo

    CarMax Green Brook

    Check Availability
    Free delivery to Waterbury, CT (20 mi)
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  • Titanium Rush Metallic 2022 GMC Sierra 1500 AT4Titanium Rush Metallic 2022 GMC Sierra 1500 AT4Titanium Rush Metallic 2022 GMC Sierra 1500 AT4Titanium Rush Metallic 2022 GMC Sierra 1500 AT4Titanium Rush Metallic 2022 GMC Sierra 1500 AT4Titanium Rush Metallic 2022 GMC Sierra 1500 AT4

    $53,914

    32,959 mi.
    Est. $923/mo

    Scranton GMC of Vernon

    4.4
    Check Availability
    Vernon, CT (42 mi)
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  • 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

    $48,000

    55,385 mi.
    Est. $822/mo

    Colandrea Buick GMC, Inc.

    4.7
    Check Availability
    Newburgh, NY (44 mi)
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  • 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

    $33,879

    115,650 mi.
    Est. $580/mo

    East Hartford Chevrolet

    4.6
    Check Availability
    East Hartford, CT (32 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4

    $42,990

    50,092 mi.
    Est. $736/mo

    Hudson Cadillac Buick GMC

    4.9
    Check Availability
    Poughkeepsie, NY (35 mi)
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  • Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4

    $54,855

    19,523 mi.
    Est. $940/mo

    Scranton GMC of Vernon

    4.4
    Check Availability
    Vernon, CT (42 mi)
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  • 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

    $55,853

    44,004 mi.
    Est. $957/mo

    Scranton GMC of Vernon

    4.4
    Check Availability
    Vernon, CT (42 mi)
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  • 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

    $33,278

    89,545 mi.
    Est. $570/mo

    Colandrea Buick GMC, Inc.

    4.7
    Check Availability
    Newburgh, NY (44 mi)
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  • 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

    $53,831

    45,783 mi.
    Est. $922/mo

    Scranton GMC of Vernon

    4.4
    Check Availability
    Vernon, CT (42 mi)
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  • Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2023 GMC Sierra 1500 AT4

    $45,695

    66,553 mi.
    Est. $783/mo

    Colandrea Buick GMC, Inc.

    4.7
    Check Availability
    Newburgh, NY (44 mi)
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  • Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4

    $37,925

    $1.2K
    66,160 mi.
    Est. $650/mo

    Romeo Ford of Kingston

    4.1
    Check Availability
    Kingston, NY (43 mi)
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  • 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

    $35,770

    $224
    88,480 mi.
    Est. $613/mo

    Hudson Valley Chrysler Dodge Jeep Ram

    Check Availability
    Newburgh, NY (44 mi)
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  • 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

    $54,916

    30,336 mi.
    Est. $941/mo

    Blasius GMC

    2.5
    Check Availability
    Branford, CT (39 mi)
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GMC Sierra 1500 AT4 by city

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