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
  • 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. $936/mo

    AutoNation Toyota Arapahoe

    4.8
    Check Availability
    Centennial, CO (1 mi)

    Quick view
  • White 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLT

    $48,588

    27,185 mi.
    Est. $845/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (22 mi)

    Quick view
  • White Frost Tri-Coat 2022 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2022 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2022 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2022 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2022 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2022 GMC Sierra 1500 SLT

    $43,961

    $510
    16,784 mi.
    Est. $765/mo

    Schomp BMW

    4.4
    Check Availability
    Highlands Ranch, CO (7 mi)
    Quick view
  • Onyx Black 2024 GMC Sierra 1500 SLTOnyx Black 2024 GMC Sierra 1500 SLTOnyx Black 2024 GMC Sierra 1500 SLTOnyx Black 2024 GMC Sierra 1500 SLTOnyx Black 2024 GMC Sierra 1500 SLTOnyx Black 2024 GMC Sierra 1500 SLT

    $50,990

    $1K
    8,450 mi.
    Est. $887/mo

    O'Meara Ford

    4.3
    Check Availability
    Northglenn, CO (22 mi)
    Quick view
  • Crimson Red Tintcoat 2016 GMC Sierra 1500 SLTCrimson Red Tintcoat 2016 GMC Sierra 1500 SLTCrimson Red Tintcoat 2016 GMC Sierra 1500 SLTCrimson Red Tintcoat 2016 GMC Sierra 1500 SLTCrimson Red Tintcoat 2016 GMC Sierra 1500 SLTCrimson Red Tintcoat 2016 GMC Sierra 1500 SLT

    $20,999

    129,042 mi.
    Est. $365/mo

    Mountain States Toyota

    4.6
    Check Availability
    Denver, CO (18 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. $479/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (8 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. $305/mo

    Groove Toyota

    4.6
    Check Availability
    Englewood, CO (7 mi)
    Quick view
  • Titanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLT

    $43,343

    $655
    45,719 mi.
    Est. $754/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (22 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. $524/mo

    AutoNation Ford Arapahoe

    4.3
    Check Availability
    Centennial, CO (1 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. $377/mo

    Berkenkotter Motors Brighton

    4.1
    Check Availability
    Brighton, CO (29 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. $326/mo

    Skyline Mitsubishi

    4.9
    Check Availability
    Thornton, CO (22 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. $513/mo

    Mike Ward INFINITI

    Check Availability
    Highlands Ranch, CO (8 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. $607/mo

    AutoNation USA Denver 104

    3.7
    Check Availability
    Northglenn, CO (22 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

    $46,612

    47,531 mi.
    Est. $811/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (22 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

    $47,313

    35,100 mi.
    Est. $823/mo

    Larry H. Miller Colorado Jeep

    3.5
    Check Availability
    Aurora, CO (9 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. $788/mo

    Alpine Buick GMC

    4.4
    Check Availability
    Littleton, CO (12 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. $700/mo

    Super Auto Company, Inc.

    5.0
    Check Availability
    Denver, CO (14 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. $766/mo

    Mountain States Toyota

    4.6
    Check Availability
    Denver, CO (18 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. $765/mo

    O'Meara Volkswagen of Thornton

    4.1
    Check Availability
    Denver, CO (22 mi)
    Quick view
  • Cayenne Red Tintcoat 2022 GMC Sierra 1500 SLTCayenne Red Tintcoat 2022 GMC Sierra 1500 SLT

    $40,958

    $1.1K
    22,244 mi.
    Est. $713/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, 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

    $42,997

    42,164 mi.
    Est. $748/mo

    EchoPark Automotive Thornton

    4.8
    Check Availability
    Thornton, CO (22 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. $365/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (8 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

    $26,998

    $900
    102,985 mi.
    Est. $470/mo

    Rocky Mountain Eurosport Parker

    4.8
    Check Availability
    Parker, CO (7 mi)
    Quick view
  • Steel Gray Metallic 2013 GMC Sierra 1500 SLTSteel Gray Metallic 2013 GMC Sierra 1500 SLTSteel Gray Metallic 2013 GMC Sierra 1500 SLTSteel Gray Metallic 2013 GMC Sierra 1500 SLTSteel Gray Metallic 2013 GMC Sierra 1500 SLTSteel Gray Metallic 2013 GMC Sierra 1500 SLT

    $16,790

    163,767 mi.
    Est. $292/mo

    Groove Toyota

    4.6
    Check Availability
    Englewood, CO (7 mi)
    Quick view
  • Sterling 2024 GMC Sierra 1500 SLTSterling 2024 GMC Sierra 1500 SLTSterling 2024 GMC Sierra 1500 SLTSterling 2024 GMC Sierra 1500 SLT

    $49,488

    33,137 mi.
    Est. $861/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (25 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. $470/mo

    AutoNation Buick GMC Park Meadows

    4.5
    Check Availability
    Lone Tree, CO (3 mi)
    Quick view
  • Sonoma Red Metallic 2014 GMC Sierra 1500 SLTSonoma Red Metallic 2014 GMC Sierra 1500 SLTSonoma Red Metallic 2014 GMC Sierra 1500 SLTSonoma Red Metallic 2014 GMC Sierra 1500 SLTSonoma Red Metallic 2014 GMC Sierra 1500 SLTSonoma Red Metallic 2014 GMC Sierra 1500 SLT

    $26,999

    61,413 mi.
    Est. $470/mo

    AutoNation Buick GMC West

    4.0
    Check Availability
    Golden, CO (19 mi)
    Quick view
  • Silver 2018 GMC Sierra 1500 SLTSilver 2018 GMC Sierra 1500 SLTSilver 2018 GMC Sierra 1500 SLTSilver 2018 GMC Sierra 1500 SLTSilver 2018 GMC Sierra 1500 SLTSilver 2018 GMC Sierra 1500 SLT

    $22,999

    $1K
    127,363 mi.
    Est. $400/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (8 mi)
    Quick view
  • White 2015 GMC Sierra 1500 SLTWhite 2015 GMC Sierra 1500 SLTWhite 2015 GMC Sierra 1500 SLTWhite 2015 GMC Sierra 1500 SLTWhite 2015 GMC Sierra 1500 SLTWhite 2015 GMC Sierra 1500 SLT

    $26,998

    99,713 mi.
    Est. $470/mo

    CarMax Salt Lake (South Jordan)

    4.3
    Check Availability
    $149 delivery to Littleton, CO (7 mi)
    Quick view
  • White 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLTWhite 2024 GMC Sierra 1500 SLT

    $48,998

    44,232 mi.
    Est. $853/mo

    CarMax Tulsa

    4.7
    Check Availability
    $299 delivery to Littleton, CO (7 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