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252 listings
- Price Drop$34,990great price$5,819 below market
- 33,371 miles
- No accidents, 1 owner, personal use only
- AutoNation Buick GMC West (18 mi away)
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Located in Golden, CO / 18 miles away from Boulder, CO
This vehicle includes a Money-Back Guarantee* and passed our precise inspection process. Best of all the price you see is the price you pay. No haggli...
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: 1GT12SEG4JF158579
Stock: JF158579
Certified Pre-Owned: No
Listed since: 12-15-2025 - $73,000good price$4,536 below market
- 21,210 miles
- No accidents, 1 owner, personal use only
- AutoNation Chevrolet North (17 mi away)
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Located in Denver, CO / 17 miles away from Boulder, CO
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleAt4 Premium Plus PackageAssist Steps; Power Retractable; BlackTechnology PackageSunroof...
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: 1GT49PEY2RF343997
Stock: RF343997
Certified Pre-Owned: No
Listed since: 12-29-2025 - Price Drop$58,998great price$7,053 below market
- 54,818 miles
- No accidents, 2 owners, personal use only
- AutoNation Ford Littleton (32 mi away)
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Located in Littleton, CO / 32 miles away from Boulder, CO
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleDenali Ultimate PackageTechnology PackageAssist Steps; Power-RetractableWhite Frost Tri...
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: 1GT49REYXPF156256
Stock: PF156256
Certified Pre-Owned: No
Listed since: 01-19-2026 - $70,990great price$5,109 below market
- 42,139 miles
- No accidents, 1 owner, personal use only
- Urban Motors Blue (17 mi away)
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Located in Denver, CO / 17 miles away from Boulder, CO
2024 GMC Sierra 2500HD Denali Ultimate 4WD. 8' Bed. 1 Owner. No Accident CarFax History. Apple CarPlay & Android Auto. Bose Premium Audio. MultiPro Ki...
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: 1GT49XEY2RF159370
Stock: 54705
Certified Pre-Owned: No
Listed since: 05-22-2025 - New Listing$78,000great price$6,089 below market
- 18,899 miles
- Larry H. Miller Ford Lakewood (19 mi away)
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Located in Lakewood, CO / 19 miles away from Boulder, CO
Titanium Rush Metallic 2024 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel, POWER MOONROOF, NAV CAPABLE, HEADS U...
AutoCheck Vehicle History Summary Unavailable.
Features and Specs:
Listing Information:
VIN: 1GT49XEYXRF469119
Stock: LFO251741A
Certified Pre-Owned: No
Listed since: 01-22-2026 - Price Drop$56,839good price$3,962 below market
- 33,929 miles
- No accidents, 1 owner, personal use only
- AutoNation Buick GMC West (18 mi away)
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Located in Golden, CO / 18 miles away from Boulder, CO
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleDenali Ultimate PackageTechnology PackageSunroof; PowerGooseneck / 5Th Wheel PackageLp...
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: 1GT49REY1LF348790
Stock: LF348790
Certified Pre-Owned: No
Listed since: 12-22-2025 - New Listing$89,999good price$7,330 below market
- 12,944 miles
- No accidents, 1 owner, personal use only
- AutoNation Buick GMC Park Meadows (34 mi away)
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Located in Lone Tree, CO / 34 miles away from Boulder, CO
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleAt4X Aev EditionSun/MoonroofGooseneck / 5Th Wheel Prep Package -- Hitch Platform To Acce...
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: 1GT4UZEY6SF147626
Stock: SF147626
Certified Pre-Owned: No
Listed since: 01-28-2026 - $58,749good price$3,896 below market
- 65,638 miles
- No accidents, 1 owner, corporate fleet vehicle
- AutoNation Buick GMC West (18 mi away)
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Located in Golden, CO / 18 miles away from Boulder, CO
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleDenali Ultimate PackageTechnology PackageAssist Steps; Power-RetractableWhite Frost Tri...
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: 1GT49REYXNF138935
Stock: NF138935
Certified Pre-Owned: No
Listed since: 12-22-2025 - New Listing$45,999good price$4,748 below market
- 46,143 miles
- No accidents, 2 owners, personal use only
- AutoNation Chrysler Dodge Jeep Ram Southwest (26 mi away)
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Located in Littleton, CO / 26 miles away from Boulder, CO
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible1Sa Pro Safety Plus PackageConvenience PackageMirrors; Outside Power-Adjustable Vertical...
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: 1GT59LEY8RF225210
Stock: RF225210
Certified Pre-Owned: No
Listed since: 02-03-2026 - New Listing$73,889good price$4,196 below market
- 19,232 miles
- 1 accident, 1 owner, personal use only
- Johnson Auto Plaza (21 mi away)
Close
Located in Brighton, CO / 21 miles away from Boulder, CO
2024 GMC Sierra 2500HD AT4 Sterling Metallic 4WD Duramax 6.6L V8 Turbodiesel 10-Speed AutomaticCertified. GMC Certified Pre-Owned Details: * Pow...
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: 1GT49PEY6RF290205
Stock: G618098A
Certified Pre-Owned: Yes
Listed since: 02-03-2026 - $40,889fair price$1,397 below market
- 82,918 miles
- No accidents, 2 owners, personal use only
- Johnson Auto Plaza (21 mi away)
Close
Located in Brighton, CO / 21 miles away from Boulder, CO
2016 GMC Sierra 2500HD SLT Stone Blue Metallic 4WD Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed AutomaticAllison 1000 6-Speed Automatic, 4WD, R...
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: 1GT12TE8XGF269693
Stock: G604774A
Certified Pre-Owned: No
Listed since: 01-03-2026 - $51,798fair price$1,589 below market
- 52,741 miles
- No accidents, 1 owner, personal use only
- AutoNation Toyota Arapahoe (33 mi away)
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Located in Centennial, CO / 33 miles away from Boulder, CO
Duramax Plus PackageSunroof; PowerSun/MoonroofLeather SeatsNavigation SystemAlternators; Dual; 150 Amps And 220 Amps EachGooseneck / 5Th Wheel P...
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: 1GT12UEY1JF143347
Stock: JF143347
Certified Pre-Owned: No
Listed since: 12-27-2025 - $56,295good price$2,411 below market
- 42,999 miles
- No accidents, 3 owners, personal use only
- AutoNation Buick GMC Park Meadows (34 mi away)
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Located in Lone Tree, CO / 34 miles away from Boulder, 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: 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: 1GT49REY6LF198594
Stock: LF198594
Certified Pre-Owned: No
Listed since: 01-05-2026 - Price Drop$55,977good price$2,603 below market
- 59,181 miles
- 1 accident, 2 owners, personal use only
- ClearShift (32 mi away)
Close
Located in Highlands Ranch, CO / 32 miles away from Boulder, CO
This 2020 GMC Sierra 2500HD Denali in Onyx Black delivers premium heavy-duty capability with a bold, refined presence. It is powered by the Duramax 6....
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: 1GT49REY2LF347342
Stock: 347342T
Certified Pre-Owned: No
Listed since: 12-27-2025 - Price Drop$45,490good price$2,581 below market
- 80,231 miles
- No accidents, 5 owners, personal use only
- McDonald Mazda North (16 mi away)
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Located in Longmont, CO / 16 miles away from Boulder, CO
Clean Carfax ** Summit White 2017 GMC Sierra 2500HD Denali Allison 1000 6-Speed Automatic ** 4WD ** Jet Black Leather ** Apple CarPlay/Android Auto **...
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: 1GT12UEY0HF151806
Stock: NTHF151806B
Certified Pre-Owned: No
Listed since: 01-06-2026 - Price Drop$79,990fair price$507 below market
- 8,894 miles
- No accidents, 1 owner, personal use only
- AutoNation Buick GMC Park Meadows (34 mi away)
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Located in Lone Tree, CO / 34 miles away from Boulder, CO
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleAt4 Premium Plus PackageAssist Steps; Power Retractable; BlackTechnology PackageSunroof...
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: 1GT4UPEY0TF111789
Stock: TF111789
Certified Pre-Owned: No
Listed since: 01-09-2026 - $70,999good price$3,206 below market
- 30,763 miles
- No accidents, 1 owner, personal use only
- Interstate Ford (15 mi away)
Close
Located in Dacono, CO / 15 miles away from Boulder, CO
White Frost Tricoat 2024 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Leather.Rece...
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: 1GT49REY5RF164929
Stock: D35162A
Certified Pre-Owned: No
Listed since: 01-30-2026 - Price Drop$37,000fair price$105 below market
- 112,275 miles
- No accidents, 3 owners, personal use only
- AutoNation Chevrolet North (17 mi away)
Close
Located in Denver, CO / 17 miles away from Boulder, CO
Slt Convenience PackageWheels; 20" (50.8 Cm) 6-Spoke Bright Machined AluminumSlt Preferred PackageAssist Steps; Chromed Tubular; 6" Rectangular Cab...
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: 1GT49NE70LF117573
Stock: LF117573
Certified Pre-Owned: No
Listed since: 01-05-2026 - New Listing$60,299good price$2,825 below market
- 57,392 miles
- No accidents, 2 owners, personal use only
- AutoNation Chevrolet North (17 mi away)
Close
Located in Denver, CO / 17 miles away from Boulder, CO
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel CompatibleDenali Ultimate PackageTechnology PackageAssist Steps; Power-RetractableSunroof; Power...
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: 1GT49REYXPF128618
Stock: PF128618
Certified Pre-Owned: No
Listed since: 02-03-2026 - Price Drop$53,990fair price$2,090 below market
- 73,862 miles
- No accidents, 2 owners, personal use only
- AutoNation Buick GMC Park Meadows (34 mi away)
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Located in Lone Tree, CO / 34 miles away from Boulder, CO
At4 Premium Plus PackageAt4 Preferred PackageTechnology PackageLpo; Off-Road High Clearance StepSunroof; PowerDriver Alert Package IWheels; 20" ...
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: 1GT49PE72PF120332
Stock: PF120332
Certified Pre-Owned: No
Listed since: 01-24-2026 - $66,979fair price$2,334 below market
- 46,180 miles
- No accidents, personal use only
- ClearShift (32 mi away)
Close
Located in Highlands Ranch, CO / 32 miles away from Boulder, CO
This 2024 GMC Sierra 2500HD AT4 in Sterling Metallic is built for serious capability with a premium edge, powered by the Duramax 6.6L V8 turbodiesel p...
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: 1GT49PEY9RF139276
Stock: KM139276
Certified Pre-Owned: No
Listed since: 01-22-2026
Showing 1 - 21 out of 252 listings
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