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
  • White 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLT

    Not Priced

    60,034 mi.

    Yoder Chevrolet

    4.3
    Check Availability
    Fort Lupton, CO (19 mi)

    Quick view
  • Titanium Rush Metallic 2023 GMC Sierra 1500 SLTTitanium Rush Metallic 2023 GMC Sierra 1500 SLTTitanium Rush Metallic 2023 GMC Sierra 1500 SLTTitanium Rush Metallic 2023 GMC Sierra 1500 SLTTitanium Rush Metallic 2023 GMC Sierra 1500 SLTTitanium Rush Metallic 2023 GMC Sierra 1500 SLT

    $45,304

    52,886 mi.
    Est. $795/mo

    Alpine Buick GMC

    4.4
    Check Availability
    Littleton, CO (17 mi)
    Quick view
  • Summit White 2014 GMC Sierra 1500 SLTSummit White 2014 GMC Sierra 1500 SLTSummit White 2014 GMC Sierra 1500 SLTSummit White 2014 GMC Sierra 1500 SLTSummit White 2014 GMC Sierra 1500 SLTSummit White 2014 GMC Sierra 1500 SLT

    $26,989

    $1K
    79,815 mi.
    Est. $474/mo

    AutoNation Buick GMC Park Meadows

    4.5
    Check Availability
    Lone Tree, CO (23 mi)
    Quick view
  • Quicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLT

    $26,300

    $500
    115,646 mi.
    Est. $462/mo

    Stevinson Lexus of Frederick

    4.8
    Check Availability
    Longmont, CO (18 mi)
    Quick view
  • Pacific Blue Metallic 2022 GMC Sierra 1500 SLTPacific Blue Metallic 2022 GMC Sierra 1500 SLTPacific Blue Metallic 2022 GMC Sierra 1500 SLTPacific Blue Metallic 2022 GMC Sierra 1500 SLTPacific Blue Metallic 2022 GMC Sierra 1500 SLTPacific Blue Metallic 2022 GMC Sierra 1500 SLT

    $43,999

    36,061 mi.
    Est. $772/mo

    Mountain States Toyota

    4.6
    Check Availability
    Denver, CO (5 mi)
    Quick view
  • Sterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLT

    $53,798

    6,428 mi.
    Est. $944/mo

    AutoNation Toyota Arapahoe

    4.8
    Check Availability
    Centennial, CO (22 mi)
    Quick view
  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $44,000

    40,586 mi.
    Est. $772/mo

    Arapahoe KIA

    4.6
    Check Availability
    Centennial, CO (22 mi)
    Quick view
  • White 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLT

    $27,499

    83,306 mi.
    Est. $483/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (14 mi)
    Quick view
  • Quicksilver Metallic 2014 GMC Sierra 1500 SLTQuicksilver Metallic 2014 GMC Sierra 1500 SLTQuicksilver Metallic 2014 GMC Sierra 1500 SLTQuicksilver Metallic 2014 GMC Sierra 1500 SLTQuicksilver Metallic 2014 GMC Sierra 1500 SLTQuicksilver Metallic 2014 GMC Sierra 1500 SLT

    $17,543

    151,072 mi.
    Est. $308/mo

    Groove Toyota

    4.6
    Check Availability
    Englewood, CO (19 mi)
    Quick view
  • Dark Slate Metallic 2017 GMC Sierra 1500 SLTDark Slate Metallic 2017 GMC Sierra 1500 SLTDark Slate Metallic 2017 GMC Sierra 1500 SLTDark Slate Metallic 2017 GMC Sierra 1500 SLTDark Slate Metallic 2017 GMC Sierra 1500 SLTDark Slate Metallic 2017 GMC Sierra 1500 SLT

    $30,099

    76,707 mi.
    Est. $528/mo

    AutoNation Ford Arapahoe

    4.3
    Check Availability
    Centennial, CO (22 mi)
    Quick view
  • White 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLT

    $21,640

    174,960 mi.
    Est. $380/mo

    Berkenkotter Motors Brighton

    4.1
    Check Availability
    Brighton, CO (15 mi)
    Quick view
  • Onyx Black 2015 GMC Sierra 1500 SLTOnyx Black 2015 GMC Sierra 1500 SLTOnyx Black 2015 GMC Sierra 1500 SLTOnyx Black 2015 GMC Sierra 1500 SLTOnyx Black 2015 GMC Sierra 1500 SLTOnyx Black 2015 GMC Sierra 1500 SLT

    $18,745

    162,938 mi.
    Est. $329/mo

    Skyline Mitsubishi

    4.9
    Check Availability
    Thornton, CO (2 mi)
    Quick view
  • Quicksilver Metallic 2017 GMC Sierra 1500 SLTQuicksilver Metallic 2017 GMC Sierra 1500 SLTQuicksilver Metallic 2017 GMC Sierra 1500 SLTQuicksilver Metallic 2017 GMC Sierra 1500 SLTQuicksilver Metallic 2017 GMC Sierra 1500 SLTQuicksilver Metallic 2017 GMC Sierra 1500 SLT

    $29,500

    $500
    91,315 mi.
    Est. $518/mo

    Mike Ward INFINITI

    Check Availability
    Highlands Ranch, CO (22 mi)
    Quick view
  • Silver 2015 GMC Sierra 1500 SLTSilver 2015 GMC Sierra 1500 SLTSilver 2015 GMC Sierra 1500 SLTSilver 2015 GMC Sierra 1500 SLTSilver 2015 GMC Sierra 1500 SLTSilver 2015 GMC Sierra 1500 SLT

    $21,999

    131,955 mi.
    Est. $386/mo

    Auto Warehouse

    Check Availability
    Brighton, CO (14 mi)
    Quick view
  • Red 2017 GMC Sierra 1500 SLTRed 2017 GMC Sierra 1500 SLTRed 2017 GMC Sierra 1500 SLTRed 2017 GMC Sierra 1500 SLTRed 2017 GMC Sierra 1500 SLTRed 2017 GMC Sierra 1500 SLT

    $16,699

    $300
    188,813 mi.
    Est. $293/mo

    Southcreek Auto

    3.9
    Check Availability
    Longmont, CO (19 mi)
    Quick view
  • Quicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLT

    $34,898

    $101
    83,968 mi.
    Est. $613/mo

    AutoNation USA Denver 104

    3.7
    Check Availability
    Northglenn, CO (3 mi)
    Quick view
  • Metallic 2024 GMC Sierra 1500 SLTMetallic 2024 GMC Sierra 1500 SLTMetallic 2024 GMC Sierra 1500 SLTMetallic 2024 GMC Sierra 1500 SLTMetallic 2024 GMC Sierra 1500 SLTMetallic 2024 GMC Sierra 1500 SLT

    $47,183

    $130
    35,100 mi.
    Est. $828/mo

    Larry H. Miller Colorado Jeep

    3.5
    Check Availability
    Aurora, CO (15 mi)
    Quick view
  • GRAY 2020 GMC Sierra 1500 SLTGRAY 2020 GMC Sierra 1500 SLTGRAY 2020 GMC Sierra 1500 SLTGRAY 2020 GMC Sierra 1500 SLTGRAY 2020 GMC Sierra 1500 SLTGRAY 2020 GMC Sierra 1500 SLT

    $40,198

    70,188 mi.
    Est. $706/mo

    Super Auto Company, Inc.

    5.0
    Check Availability
    Denver, CO (10 mi)
    Quick view
  • Onyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLT

    $43,985

    $814
    38,175 mi.
    Est. $772/mo

    O'Meara Volkswagen of Thornton

    4.1
    Check Availability
    Denver, CO (2 mi)
    Quick view
  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $42,997

    42,164 mi.
    Est. $755/mo

    EchoPark Automotive Thornton

    4.8
    Check Availability
    Thornton, CO (4 mi)
    Quick view
  • Sterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLT

    $43,995

    $900
    43,331 mi.
    Est. $772/mo

    O'Meara Volkswagen of Thornton

    4.1
    Check Availability
    Denver, CO (2 mi)
    Quick view
  • Summit White 2022 GMC Sierra 1500 SLTSummit White 2022 GMC Sierra 1500 SLTSummit White 2022 GMC Sierra 1500 SLTSummit White 2022 GMC Sierra 1500 SLTSummit White 2022 GMC Sierra 1500 SLTSummit White 2022 GMC Sierra 1500 SLT

    $39,747

    $748
    67,213 mi.
    Est. $698/mo

    AutoNation Ford Littleton

    4.3
    Check Availability
    Littleton, CO (22 mi)
    Quick view
  • Sterling 2023 GMC Sierra 1500 SLTSterling 2023 GMC Sierra 1500 SLTSterling 2023 GMC Sierra 1500 SLTSterling 2023 GMC Sierra 1500 SLTSterling 2023 GMC Sierra 1500 SLTSterling 2023 GMC Sierra 1500 SLT

    $48,656

    31,320 mi.
    Est. $854/mo

    Prestige Chrysler Dodge Jeep RAM

    4.2
    Check Availability
    Longmont, CO (20 mi)
    Quick view
  • White Frost Tricoat 2017 GMC Sierra 1500 SLTWhite Frost Tricoat 2017 GMC Sierra 1500 SLTWhite Frost Tricoat 2017 GMC Sierra 1500 SLTWhite Frost Tricoat 2017 GMC Sierra 1500 SLTWhite Frost Tricoat 2017 GMC Sierra 1500 SLTWhite Frost Tricoat 2017 GMC Sierra 1500 SLT

    $28,793

    98,894 mi.
    Est. $505/mo

    Springs Automotive Group

    4.7
    Check Availability
    Englewood, CO (17 mi)
    Quick view
  • Black 2015 GMC Sierra 1500 SLTBlack 2015 GMC Sierra 1500 SLTBlack 2015 GMC Sierra 1500 SLTBlack 2015 GMC Sierra 1500 SLTBlack 2015 GMC Sierra 1500 SLTBlack 2015 GMC Sierra 1500 SLT

    $20,999

    146,524 mi.
    Est. $369/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (14 mi)
    Quick view
  • Black 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLT

    $40,998

    $1K
    26,423 mi.
    Est. $720/mo

    CarMax Omaha

    4.3
    Check Availability
    $149 delivery to Federal Heights, CO (2 mi)
    Quick view
  • Black 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLT

    $39,998

    55,195 mi.
    Est. $702/mo

    CarMax Phoenix-Gilbert

    4.7
    Check Availability
    $399 delivery to Federal Heights, CO (2 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 SLT by city

GMC Sierra 1500 SLT by year

GMC Sierra 1500 by trim