October 19, 2025

Used 2015 GMC Sierra 3500HD SLT in Fort Collins, Colorado

Price: $13400

Used 2015 GMC Sierra 3500HD SLT in Fort Collins, Colorado

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Dealer Information

Dellenbach Motors

 3111 S College Avenue
 866-963-5689

 Best price for 
2015 GMC Sierra 3500HD

 Vehicle information


Year: 2015
Mileage: 69245
Vin: 1GT423E87FF151970
Color: Bronze
Body: Pickup
Transmission: Automatic
Engine: 8 Cyl
Drive: 4WD
Fuel: Diesel
Zip: 80525
City: Fort Collins
State: CO

 Features


Adjustable Pedals
Leather Seats

City:
Hwy:
Avg:

 Best price
for 2015 GMC Sierra 3500HD

GMC Sierra 3500HD
SLE 2015

GMC Sierra 3500HD SLE 2015

Best Price

Price: $18850
Year: 2015
Mileage: 65506

GMC Sierra 3500HD
Denali 2015

GMC Sierra 3500HD Denali 2015

Best Price

Price: $19400
Year: 2015
Mileage: 73482

GMC Sierra 3500HD
SLT 2015

GMC Sierra 3500HD SLT 2015

Best Price

Price: $15750
Year: 2015
Mileage: 52594

GMC Sierra 3500HD
SLE 2015

GMC Sierra 3500HD SLE 2015

Best Price

Price: $18800
Year: 2015
Mileage: 34747

GMC Sierra 3500HD
Denali 2015

GMC Sierra 3500HD Denali 2015

Best Price

Price: $17650
Year: 2015
Mileage: 76573

GMC Sierra 3500HD
SLE 2015

GMC Sierra 3500HD SLE 2015

Best Price

Price: $19800
Year: 2015
Mileage: 49018

GMC Sierra 3500HD
2015

GMC Sierra 3500HD 2015

Best Price

Price: $14850
Year: 2015
Mileage: 74045

GMC Sierra 3500HD
Base 2015

GMC Sierra 3500HD Base 2015

Best Price

Price: $15250
Year: 2015
Mileage: 72593

GMC Sierra 3500HD
SLT 2015

GMC Sierra 3500HD SLT 2015

Best Price

Price: $18450
Year: 2015
Mileage: 65158

GMC Sierra 3500HD
Base 2015

GMC Sierra 3500HD Base 2015

Best Price

Price: $20250
Year: 2015
Mileage: 49948

GMC Sierra 3500HD
2015

GMC Sierra 3500HD 2015

Best Price

Price: $16700
Year: 2015
Mileage: 61010

GMC Sierra 3500HD
SLE 2015

GMC Sierra 3500HD SLE 2015

Best Price

Price: $14500
Year: 2015
Mileage: 60408


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