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124 listings
- 161,469 miles
- 1 accident, 2 owners, personal use
- 8'2” bed, 6.6l, 8cyl
- Auto Warehouse (2 mi away)
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Located in Fort Collins, CO / 2 miles away from Fort Collins, 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: 1GD421C83FF513862
Stock: F10844
Certified Pre-Owned: No- 78,649 miles
- No accidents, 2 owners, personal use only
- 8'2” bed, 6.6l, 8cyl
- United Automotive (63 mi away)
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Located in Denver, CO / 63 miles away from Fort Collins, CO
• 6.6L Duramax Turbo Diesel • Allison Transmission • 4x4 • Dually • Crew Cab • Long Bed • Only 78k Miles • Cloth Seating • Backup Came...
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: 1GT42WCY6HF117140
Stock: 117140
Certified Pre-Owned: No
Listed since: 07-11-2025- 134,137 miles
- 2 accidents, 3 owners, personal use only
- 6'7” bed, 6l, 8cyl
- Skyline Mitsubishi (52 mi away)
- Home delivery*
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Located in Thornton, CO / 52 miles away from Fort Collins, CO
Sonoma Red Metallic SLE 4WD ***At Skyline Mitsubishi we have financing for everyone. Call 303-465-5512.*****, "Dealer Handling charge is included in t...
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: 1GT423CG1DF191307
Stock: 20367
Certified Pre-Owned: No
Listed since: 11-20-2024- 106,095 miles
- 2 accidents, 2 owners, corporate fleet vehicle
- Country Truck and Auto (37 mi away)
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Located in Fort Lupton, CO / 37 miles away from Fort Collins, CO
We Take The Risk Out of Buying Your Next Vehicle! 3 Month 3,000 Mile Warranty FREE!
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: 1GD311CGXFZ550363
Stock: CSL15
Certified Pre-Owned: No
Listed since: 02-11-2025- New Listing
- 107,792 miles
- 2 accidents, 3 owners, personal use only
- 8'2” bed, 6.6l, 8cyl
- Berkenkotter Motors - Brighton (45 mi away)
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Located in Brighton, CO / 45 miles away from Fort Collins, 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: Yes
Features and Specs:
Listing Information:
VIN: 1GT42YEY2HF105642
Stock: T17156
Certified Pre-Owned: No
Listed since: 08-01-2025 - New Listing
- 154,642 miles
- 6'7” bed, 6.6l, 8cyl
- Laramie Auto Center (53 mi away)
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Located in Laramie, WY / 53 miles away from Fort Collins, CO
AutoCheck Vehicle History Summary Unavailable.
Features and Specs:
Listing Information:
VIN: 1GT424E8XFF557232
Stock: 11818A
Certified Pre-Owned: No
Listed since: 08-03-2025 - 134,706 miles
- No accidents, 1 owner, personal use only
- Family Trucks and Vans (67 mi away)
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Located in Denver, CO / 67 miles away from Fort Collins, CO
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: 1GT423C89DF201588
Stock: B50847
Certified Pre-Owned: No- $45,379good price$4,677 below market
- 104,850 miles
- 1 accident, 3 owners, personal use only
- 6'7” bed, 6.6l, 8cyl
- ClearShift Loveland (16 mi away)
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Located in Loveland, CO / 16 miles away from Fort Collins, 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 - $49,290good price$3,524 below market
- 69,991 miles
- No accidents, 1 owner, personal use only
- 8'2” bed, 6.6l, 8cyl
- O'Meara Ford (52 mi away)
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Located in Northglenn, CO / 52 miles away from Fort Collins, CO
CARFAX One-Owner. Clean CARFAX. White Frost Tricoat 2018 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel Local...
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: 1GT42YEY4JF238103
Stock: MP6303A
Certified Pre-Owned: No
Listed since: 07-19-2025 - 76,348 miles
- No accidents, 2 owners, personal use only
- 8'2” bed, 6.6l, 8cyl
- Sterling Auto Sales (87 mi away)
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Located in Franktown, CO / 87 miles away from Fort Collins, CO
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: 1GT426C89CF212848
Stock: 25009
Certified Pre-Owned: No
Listed since: 04-14-2025- Price Drop$54,699good price$2,882 below market
- 57,405 miles
- No accidents, 1 owner, personal use only
- 6'7” bed, 6.6l, 8cyl
- Larry H. Miller Ford Lakewood (63 mi away)
- Home delivery*
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Located in Lakewood, CO / 63 miles away from Fort Collins, 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 - $37,997good price$3,473 below market
- 100,003 miles
- No accidents, 3 owners, personal use only
- 8'2” bed, 6.6l, 8cyl
- Maaliki Motors (65 mi away)
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Located in Aurora, CO / 65 miles away from Fort Collins, CO
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: 1GT426C83DF221109
Stock: 876563
Certified Pre-Owned: No
Listed since: 07-02-2025 - $44,999fair price$109 above market
- 51,982 miles
- 1 accident, 2 owners, personal use only
- 8'2” bed, 6.6l, 8cyl
- Reds Auto and Truck (33 mi away)
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Located in Longmont, CO / 33 miles away from Fort Collins, 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 - 141,047 miles
- No accidents, 2 owners, personal use
- 8'2” bed, 6l, 8cyl
- Stapleton Motors (59 mi away)
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Located in Commerce City, CO / 59 miles away from Fort Collins, CO
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: 1GT523CG3DZ220812
Stock: 4844
Certified Pre-Owned: No
Listed since: 11-23-2024- New Listing
- 155,675 miles
- No accidents, 1 owner, corporate fleet vehicle
- DAS Trucks (69 mi away)
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Located in Sheridan, CO / 69 miles away from Fort Collins, CO
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: 1GT522C81DZ265394
Stock: 65394
Certified Pre-Owned: No
Listed since: 07-30-2025 - Price Drop
- 191,386 miles
- 2 accidents, 4 owners, personal use only
- 8'2” bed, 6.6l, 8cyl
- Mike Maroone Cadillac (43 mi away)
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Located in Boulder, CO / 43 miles away from Fort Collins, CO
Very affordable diesel!, Allison 1000 6-Speed Automatic, 4WD, Ebony Cloth, 6 Speaker Audio System, a 730 CCA Heavy-Duty Dual Battery for those cold mo...
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: 1GT423E85DF142648
Stock: O142648
Certified Pre-Owned: No
Listed since: 07-13-2025 - $44,988good price$3,541 below market
- 96,650 miles
- 1 accident, 2 owners, personal use only
- 6'7” bed, 6.6l, 8cyl
- Colorado Auto Finders (73 mi away)
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Located in Centennial, CO / 73 miles away from Fort Collins, CO
The 2018 GMC Sierra is a powerful full-size pickup truck, designed to handle tough tasks while providing a comfortable and refined driving experience....
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: 1GT42YEY0JF283037
Stock: U15711
Certified Pre-Owned: No - $53,476good price$2,391 below market
- 53,742 miles
- No accidents, 1 owner, personal use only
- 8'2” bed, 6.6l, 8cyl
- Pueblo Toyota (162 mi away)
Close
Located in Pueblo, CO / 162 miles away from Fort Collins, CO
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: 1GT49UEY8LF171304
Stock: 258248B
Certified Pre-Owned: No
Listed since: 07-14-2025 - Price Drop$51,590fair price$1,316 above market
- 80,630 miles
- No accidents, 1 owner, personal use only
- 8'2” bed, 6.6l, 8cyl
- Carvana (In-stock online)
- Home delivery*
Close
Located in Charlotte, NC / 1,368 miles away from Fort Collins, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
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: 1GT42YEYXJF245542
Stock: 2003864142
Certified Pre-Owned: No
Listed since: 07-04-2025 - 123,125 miles
- No accidents, 3 owners, personal use only
- 8'2” bed, 8cyl
- Panhandle Automotive Group- Scottsbluff (112 mi away)
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Located in Scottsbluff, NE / 112 miles away from Fort Collins, CO
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: 1GT322C89CZ260384
Stock: 260384
Certified Pre-Owned: No
Listed since: 01-31-2025- Price Drop
- 173,792 miles
- 3 accidents, 2 owners, personal use only
- 8'2” bed, 8cyl
- Berkenkotter Motors Castle Rock (88 mi away)
Close
Located in Castle Rock, CO / 88 miles away from Fort Collins, 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: Yes
Features and Specs:
Listing Information:
VIN: 1GT423C82CF215685
Stock: T17007
Certified Pre-Owned: No
Listed since: 07-18-2025
Showing 1 - 21 out of 124 listings
Used 2015 GMC Sierra 3500HD in Fort Collins, CO Values
Estimated values
2015 GMC Sierra 3500HD 4dr Crew Cab 4WD LB (6.6L 8cyl Turbodiesel 6A) with no options
| Condition | Trade-In | Private Party | Dealer Retail |
|---|---|---|---|
| Outstanding | $19,474 | $23,298 | $25,827 |
| Clean | $18,720 | $22,345 | $24,717 |
| Average | $17,463 | $20,758 | $22,866 |
| Rough | $15,830 | $18,695 | $20,459 |
The average list price of a used 2015 GMC Sierra 3500HD in Fort Collins, Colorado is $37,130. The average mileage on a used GMC Sierra 3500HD 2015 for sale in Fort Collins, Colorado is 112,101. Based on the average mileage of 112,101 for used 2015 GMC Sierra 3500HD for sale in Fort Collins, CO and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used GMC Sierra 3500HD 2015 in Fort Collins, Colorado to be $17,463.
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