Skip to main content
Skip to Filters
108 listings
  • $90,079
    good price
    $5,909 below market
    • 6,398 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Mike Shaw Chrysler Dodge Jeep Ram (34 mi away)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Greeley, CO / 34 miles away from Thornton, CO

    CARFAX One-Owner. Clean CARFAX. Sterling Metallic 2025 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselOdometer ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY7SF162954
    Stock: MSC250487A
    Certified Pre-Owned: No
    Listed since: 05-31-2025

  • Price Drop
    $54,000
    great price
    $6,184 below market
    • 58,619 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • AutoNation USA Denver 104 (4 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Northglenn, CO / 4 miles away from Thornton, CO

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleSlt Premium PackageSlt Preferred PackageSlt Convenience PackageGooseneck / 5Th Wheel Pa...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49UEYXPF257249
    Stock: PF257249
    Certified Pre-Owned: No
    Listed since: 04-17-2025

  • $94,949
    fair price
    $3,629 below market
    • 9,227 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Buick GMC Park Meadows (25 mi away)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lone Tree, CO / 25 miles away from Thornton, CO

    Sun/MoonroofGooseneck / 5Th Wheel Prep PackageLeather SeatsDownpour MetallicNavigation SystemLpo; Hitch PackagePremium Floor Liners With Removab...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT4UYEY1SF188241
    Stock: SF188241
    Certified Pre-Owned: No
    Listed since: 06-11-2025

  • $76,998
    good price
    $5,472 below market
    • 34,365 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Castle Rock Chevrolet GMC (40 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Castle Rock, CO / 40 miles away from Thornton, CO

    10-Speed Automatic, 4WD, Alpine Umber Leather, 16-Way Power Driver Seat Adjuster w/Lumbar, 16-Way Power Passenger Seat Adjuster w/Lumbar, 2 Charge-Onl...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49YEY9RF136531
    Stock: RF136531A
    Certified Pre-Owned: No
    Listed since: 05-16-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $71,995
    good price
    $3,686 below market
    • 30,779 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • ClearShift (25 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Highlands Ranch, CO / 25 miles away from Thornton, CO

    The 2024 GMC Sierra 3500HD AT4 is built for those who need exceptional capability and rugged performance. Powered by a 6.6L V8 engine, paired with a 1...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49VEY0RF333800
    Stock: KM333800
    Certified Pre-Owned: No
    Listed since: 03-27-2025

  • $60,549
    good price
    $4,786 below market
    • 31,097 miles
    • 3 accidents, 1 owner, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Buick GMC West (19 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Golden, CO / 19 miles away from Thornton, CO

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleDenali Ultimate PackageTechnology PackageSunroof; PowerGooseneck / 5Th Wheel PackageSu...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY6LF127037
    Stock: LF127037
    Certified Pre-Owned: No
    Listed since: 04-22-2025

  • Price Drop
    Stock photo**
    • 14,385 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Castle Rock Chevrolet GMC (40 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Castle Rock, CO / 40 miles away from Thornton, CO

    10-Speed Automatic, 4WD, Alpine Umber Leather, 120-Volt Instrument Panel Power Outlet, ABS brakes, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Andr...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49YEY5RF345457
    Stock: RF345457A
    Certified Pre-Owned: No
    Listed since: 06-11-2025

  • Price Drop
    $47,027
    good price
    $842 below market
    • 77,510 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Ken Garff Ford Greeley (33 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Greeley, CO / 33 miles away from Thornton, CO

    Ford Blue Advantage Blue Certified, 10-Speed Automatic, 4WD, Black Cloth, 2-Speed Electronic Shift Transfer Case, 220 Amp Alternator, 3 Years of OnSta...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49SEY7PF203881
    Stock: PF203881P
    Certified Pre-Owned: No
    Listed since: 06-11-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Price Drop
    • 28,598 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • AutoNation Buick GMC Park Meadows (25 mi away)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lone Tree, CO / 25 miles away from Thornton, CO

    Lpo; Body Color Wheel Arch MoldingsSun/MoonroofLeather SeatsOnyx BlackNavigation SystemHigh Idle SwitchKeyless StartHeads-Up DisplayCooled Fro...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49YEY0RF241975
    Stock: RF241975
    Certified Pre-Owned: No
    Listed since: 04-02-2025

  • $68,999
    fair price
    $910 below market
    • 29,625 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Reds Auto and Truck (17 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Longmont, CO / 17 miles away from Thornton, CO

    Red's Auto And Truck is pleased to present this local 1-Owner 2021 GMC Denali Ultimate 3500HD with rare Black Diamond Package. This truck belonged to ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY2MF134746
    Stock: 2025-334
    Certified Pre-Owned: No
    Listed since: 07-04-2025

  • $51,995
    fair price
    $1,633 below market
    • 90,454 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 6'10” bed, 6.6l, 8cyl
    • ClearShift (25 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Highlands Ranch, CO / 25 miles away from Thornton, CO

    2021 GMC Sierra 3500HD Denali Summit White 4WD Duramax 6.6L V8 Turbodiesel 10-Speed AutomaticCall us today to speak with one of our friendly Purcha...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY9MF280822
    Stock: JV280822
    Certified Pre-Owned: No
    Listed since: 08-15-2024

  • New Listing
    $33,900
    great price
    $4,504 below market
    • 179,744 miles
    • 4 accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Autoport Denver (18 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Denver, CO / 18 miles away from Thornton, CO

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42YEY6JF222355
    Stock: 2246
    Certified Pre-Owned: No

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $64,389
    fair price
    $1,068 below market
    • 42,379 miles
    • No accidents, 3 owners, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Johnson Auto Plaza (6 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Brighton, CO / 6 miles away from Thornton, CO

    2022 GMC Sierra 3500HD Denali White Frost Tricoat 4WD Duramax 6.6L V8 Turbodiesel 10-Speed AutomaticCertified. GMC Certified Pre-Owned Details: ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY1NF261828
    Stock: G572657B
    Certified Pre-Owned: Yes
    Listed since: 07-05-2025

    • 16,278 miles
    • No accidents, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • Castle Rock Chevrolet GMC (40 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Castle Rock, CO / 40 miles away from Thornton, CO

    10-Speed Automatic, 4WD, Atmosphere/Brownstone Leather, 12-Way Power Driver Seat Adjuster w/Lumbar, 12-Way Power Passenger Seat Adjuster w/Lumbar, 120...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY8RF229819
    Stock: RF229819A
    Certified Pre-Owned: No
    Listed since: 06-06-2025

  • Price Drop
    $56,699
    fair price
    $917 below market
    • 57,405 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • Larry H. Miller Ford Lakewood (17 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lakewood, CO / 17 miles away from Thornton, CO

    Dark Slate Metallic 2019 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel, NAVIGATION, DURAMAX PLUS PKG, OFF RO...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42WEY9KF256490
    Stock: LFO250727A
    Certified Pre-Owned: No
    Listed since: 06-27-2025

    • 5,352 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • O'Meara GMC (5 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Denver, CO / 5 miles away from Thornton, CO

    Experience the O'Meara Advantage. O’Meara offers a wide range of vehicles at competitive prices, and our knowledgeable staff is dedicated to helping c...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT39SE70PF220153
    Stock: 7188GS
    Certified Pre-Owned: No
    Listed since: 05-27-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    • 2 Trims
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $44,999
    fair price
    $835 below market
    • 51,982 miles
    • 1 accident, 2 owners, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Reds Auto and Truck (17 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Longmont, CO / 17 miles away from Thornton, CO

    #DURAMAX #DENALI Red's Auto And Truck is pleased to present this 2011 GMC 3500 Denali Dually with the Duramax Diesel engine and only 52,000 miles! Thi...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT426C82BF164544
    Stock: 2025-097
    Certified Pre-Owned: No
    Listed since: 03-11-2025

    • 105,612 miles
    • No accidents, 1 owner, government vehicle
    • 6'7” bed, 6l, 8cyl
    • DYE Enterprise (13 mi away)
    • Home delivery*
    • AWD/4WD
    • Rear Bench Seats
    • Stability Control
    • Towing Hitch
    • 6ft Bed
    Close

    Located in Wheat Ridge, CO / 13 miles away from Thornton, CO

    If youre looking for a low milesage crew 3500 pick up this 6.0l v8 GMC Sierra 1 ton is a great choice to pull a trailer for camping or construction eq...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT422CG6CF217716
    Stock: 34337
    Certified Pre-Owned: No
    Listed since: 06-05-2025

  • $46,133
    fair price
    $1,051 below market
    • 104,850 miles
    • 1 accident, 3 owners, personal use only
    • 6'7” bed, 6.6l, 8cyl
    • ClearShift Loveland (34 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Loveland, CO / 34 miles away from Thornton, CO

    The 2018 GMC Sierra 3500HD SLT is a heavy-duty truck that combines incredible power with premium comfort, making it perfect for both work and leisure....

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT42XCY9JF112798
    Stock: 112798T
    Certified Pre-Owned: No
    Listed since: 02-19-2025

    • 10,958 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • AutoNation Buick GMC West (19 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Golden, CO / 19 miles away from Thornton, CO

    Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleTechnology PackageLeather SeatsQuicksilver MetallicNavigation SystemBed View CameraAl...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49WEY1LF276567
    Stock: LF276567
    Certified Pre-Owned: No
    Listed since: 05-27-2025

    • 11,099 miles
    • No accidents, 1 owner, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • ClearShift (25 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Highlands Ranch, CO / 25 miles away from Thornton, CO

    2024 GMC Sierra 3500HD SLE 4WD in Summit White powered by the legendary 6.6L Duramax V8 Turbodiesel paired with a 10-speed automatic transmission. Thi...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT49TEY7RF125210
    Stock: KM125210
    Certified Pre-Owned: No
    Listed since: 06-26-2025

Showing 1 - 21 out of 108 listings
Filters
Skip to Results

Applied Filters4Active

Select Buying Experience

Location

Search radius50 miles
Search radius

Make & Model

Year

New / Used

Price & Payments

Price Rating

Trim

Truck Details

Mileage

Accidents & History

Engine & Drivetrain

Exterior Color

Interior Color

Total Seating

Edmunds Review

Features

Options & Packages

Listing Details


* Delivery of any kind does not apply to Alaska and Hawaii. Contact the dealer for delivery details, restrictions and costs.