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
  • 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. $802/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (20 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. $837/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (20 mi)

    Quick view
  • Dark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLT

    $39,990

    50,056 mi.
    Est. $688/mo

    McDonald Toyota Greeley

    4.4
    Check Availability
    Greeley, CO (20 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. $362/mo

    Mountain States Toyota

    4.6
    Check Availability
    Denver, CO (22 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. $878/mo

    O'Meara Ford

    4.3
    Check Availability
    Northglenn, CO (19 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. $453/mo

    Stevinson Lexus of Frederick

    4.8
    Check Availability
    Longmont, CO (10 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. $473/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (29 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. $746/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (20 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. $323/mo

    Skyline Mitsubishi

    4.9
    Check Availability
    Thornton, CO (20 mi)
    Quick view
  • Summit White 2019 GMC Sierra 1500 SLTSummit White 2019 GMC Sierra 1500 SLTSummit White 2019 GMC Sierra 1500 SLTSummit White 2019 GMC Sierra 1500 SLTSummit White 2019 GMC Sierra 1500 SLTSummit White 2019 GMC Sierra 1500 SLT

    $40,888

    $374
    38,453 mi.
    Est. $704/mo

    Brandon Dodge Chrysler Jeep RAM

    4.7
    Check Availability
    Loveland, CO (25 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. $287/mo

    Southcreek Auto

    3.9
    Check Availability
    Longmont, CO (17 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. $601/mo

    AutoNation USA Denver 104

    3.7
    Check Availability
    Northglenn, CO (19 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. $815/mo

    Larry H. Miller Colorado Jeep

    3.5
    Check Availability
    Aurora, CO (28 mi)
    Quick view
  • Sterling Metallic 2023 GMC Sierra 1500 SLTSterling Metallic 2023 GMC Sierra 1500 SLT

    $43,662

    64,455 mi.
    Est. $752/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (20 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. $362/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (29 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. $757/mo

    Mountain States Toyota

    4.6
    Check Availability
    Denver, 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. $740/mo

    EchoPark Automotive Thornton

    4.8
    Check Availability
    Thornton, CO (19 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. $757/mo

    O'Meara Volkswagen of Thornton

    4.1
    Check Availability
    Denver, CO (19 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

    $49,416

    $1.2K
    31,495 mi.
    Est. $851/mo

    Loveland Ford Lincoln

    4.3
    Check Availability
    Loveland, CO (24 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. $705/mo

    O'Meara GMC

    3.0
    Check Availability
    Thornton, CO (20 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. $373/mo

    Berkenkotter Motors Brighton

    4.1
    Check Availability
    Brighton, CO (7 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. $838/mo

    Prestige Chrysler Dodge Jeep RAM

    4.2
    Check Availability
    Longmont, CO (16 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. $396/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (29 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

    $27,499

    101,537 mi.
    Est. $473/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (29 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

    $23,999

    110,126 mi.
    Est. $413/mo

    Car Choice

    4.1
    Check Availability
    Denver, CO (29 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. $692/mo

    Super Auto Company, Inc.

    5.0
    Check Availability
    Denver, CO (29 mi)
    Quick view
  • Satin Steel Metallic 2022 GMC Sierra 1500 SLTSatin Steel Metallic 2022 GMC Sierra 1500 SLTSatin Steel Metallic 2022 GMC Sierra 1500 SLTSatin Steel Metallic 2022 GMC Sierra 1500 SLTSatin Steel Metallic 2022 GMC Sierra 1500 SLTSatin Steel Metallic 2022 GMC Sierra 1500 SLT

    $33,398

    $101
    90,333 mi.
    Est. $575/mo

    AutoNation USA Denver 104

    3.7
    Check Availability
    Northglenn, CO (19 mi)
    Quick view
  • Gray 2022 GMC Sierra 1500 SLTGray 2022 GMC Sierra 1500 SLTGray 2022 GMC Sierra 1500 SLTGray 2022 GMC Sierra 1500 SLTGray 2022 GMC Sierra 1500 SLTGray 2022 GMC Sierra 1500 SLT

    $40,595

    $700
    54,536 mi.
    Est. $699/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (20 mi)
    Quick view
  • Summit White 2015 GMC Sierra 1500 SLTSummit White 2015 GMC Sierra 1500 SLTSummit White 2015 GMC Sierra 1500 SLTSummit White 2015 GMC Sierra 1500 SLT

    $27,488

    76,120 mi.
    Est. $473/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (12 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. $844/mo

    CarMax Tulsa

    4.7
    Check Availability
    $299 delivery to Federal Heights, CO (20 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

    $35,998

    85,835 mi.
    Est. $620/mo

    CarMax Texas Stadium (Irving)

    4.3
    Check Availability
    $599 delivery to Federal Heights, CO (20 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