Used Gray GMC Sierra 3500HD for Sale inFort Collins, CO
63 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 200,206
- Stock #:
- TG192216B
- VIN:
- 1GT42YEYXJF144565
New arrival
Sponsored by Johnson Auto of Laramie
2018 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
200,206 mi
Laramie, WY
59 mi away
Fair Deal
$33,630
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Thunderstorm Gray
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 13,345
- Stock #:
- 6651AX-1
- VIN:
- 1GT4UVEY7SF187464
Sponsored Listing
2025 GMC Sierra 3500HD
AT4 Crew Cab 4WD
13,345 mi
Fort Collins, CO
3 mi away
Fair Deal
$80,645
- Year:
- 2008
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 365 hp 6.6L V8 Diesel
- Exterior color:
- Steel Gray Metallic
- Fuel type:
- Diesel
- Interior color:
- DARK TITANIUM/LIGHT TITANIUM, ULTRASOFT LEATHER-AP
- Transmission:
- Automatic
- Mileage:
- 150,281
- Stock #:
- UT165
- VIN:
- 1GTJC39648E139650
2008 GMC Sierra 3500HD
SLT Ext. Cab DRW
150,281 mi
Home delivery from Bismarck, ND
Price includes $734 shipping
Fair Deal
$22,122
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 200,206
- Stock #:
- TG192216B
- VIN:
- 1GT42YEYXJF144565
New arrival
2018 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
200,206 mi
Laramie, WY
59 mi away
Fair Deal
$33,630
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Blue
- Mileage:
- 64,540
- Stock #:
- J179*
- VIN:
- 1GT42YEY8JF120362
New arrival
2018 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
64,540 mi
Denver, CO
60 mi away
Good Deal
$51,995
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Thunderstorm Gray
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 13,345
- Stock #:
- 6651AX-1
- VIN:
- 1GT4UVEY7SF187464
2025 GMC Sierra 3500HD
AT4 Crew Cab 4WD
13,345 mi
Fort Collins, CO
3 mi away
Fair Deal
$80,645
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 65,294
- Stock #:
- OEMCRF312201TA
- VIN:
- 1GT49VEY5RF312201
2024 GMC Sierra 3500HD
AT4 Crew Cab 4WD
65,294 mi
Fort Collins, CO
4 mi away
Good Deal
$63,382
- Year:
- 2011
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Stealth Gray Metallic
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 150,572
- Stock #:
- P10555A
- VIN:
- 1GT426C86BF237351
2011 GMC Sierra 3500HD
Denali Crew Cab SB 4WD
150,572 mi
Home delivery from Colorado Springs, CO
Price includes $178 shipping
Good Deal
$25,972
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Gray (Dark Sky Metallic)
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 164,017
- Stock #:
- S21A
- VIN:
- 1GT49WEY4LF249072
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
164,017 mi
Home delivery from Glenwood Springs, CO
Free home delivery
Fair Deal
$43,453
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 82,913
- Stock #:
- A23199
- VIN:
- 1GT49TEY9RF243646
New arrival
2024 GMC Sierra 3500HD
SLE Crew Cab 4WD
82,913 mi
Home delivery from West Jordan, UT
Price includes $732 shipping
Fair Deal
$51,226
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 86,764
- Stock #:
- 27991110
- VIN:
- 1GT42YEY7JF222736
New arrival
2018 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
86,764 mi
Store transfer to Loveland, CO
Price includes $149 shipping
Fair Deal
$49,147
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Sterling Gray Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 10,407
- Stock #:
- T32865
- VIN:
- 1GT4UWEY8TF141830
2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
10,407 mi
Home delivery from Mesa, AZ
Price includes $1,147 shipping
No Rating
$98,637
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- TF366064
- VIN:
- 1GT4UWEY0TF366064
2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $94,960
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 9
- Stock #:
- TF284152
- VIN:
- 1GT4UWEY3TF284152
2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $89,780
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- TF335893
- VIN:
- 1GT4UVEY2TF335893
2026 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $91,215
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- TF353551
- VIN:
- 1GT4UVEY9TF353551
2026 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $91,215
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 8
- Stock #:
- TF254652
- VIN:
- 1GT4UYEY0TF254652
2026 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $105,535
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- TF271096
- VIN:
- 1GT4UYEY4TF271096
2026 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $105,435
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Sterling Gray Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 13,643
- Stock #:
- T32862
- VIN:
- 1GT4UWEY3TF140665
Price drop
-$2,003
2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
13,643 mi
Home delivery from Tucson, AZ
Price includes $1,215 shipping
No Rating
$90,205
$88,202
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- TF336175
- VIN:
- 1GT4UVEYXTF336175
2026 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $91,215
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- TF336090
- VIN:
- 1GT4UVEY2TF336090
2026 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $90,415
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- TF366925
- VIN:
- 1GT4UVEY1TF366925
2026 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $91,510
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- TF366789
- VIN:
- 1GT4UVEY8TF366789
2026 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $91,660
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- TF376947
- VIN:
- 1GT4UVEY6TF376947
2026 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Home delivery from Kellogg, ID
Price includes $1,888 shipping
New car
MSRP $90,215
No Price Listed
Shop all gray cars in Fort Collins COUsed White GMC Sierra 3500HD for Sale in Fort CollinsUsed Blue GMC Sierra 3500HD for Sale in Fort CollinsUsed Red GMC Sierra 3500HD for Sale in Fort CollinsUsed Black GMC Sierra 3500HD for Sale in Fort CollinsUsed Silver GMC Sierra 3500HD for Sale in Fort Collins
All Used CarsManual Transmission CarsLuxury CarsCars with Red InteriorCheap Manual CarsHybrid CarsSports CarsElectric SUVsCheap TrucksSmall CarsThird Row SUVsThree Quarter Ton TrucksLifted TrucksManual Transmission TrucksDiesel TrucksHybrid SUVsDually TrucksOne Ton TrucksCheap SUVsLifted Ford Trucks4x4 TrucksWork TrucksAWD SUVsFord TrucksChevrolet TrucksToyota TrucksTrucks Under $10,000Cars Under $15,000Sports Cars Under $20,000Trucks Under $20,000Used Sedans for Sale with Low Mileage in Fort CollinsUsed SUVs / Crossovers for Sale with Low Mileage in Fort CollinsUsed Hatchbacks for Sale with Low Mileage in Fort CollinsUsed Convertibles for Sale with Low Mileage in Fort CollinsUsed Vans for Sale with Low Mileage in Fort CollinsUsed Minivans for Sale with Low Mileage in Fort CollinsUsed Pickup Trucks for Sale with Low Mileage in Fort CollinsUsed Coupes for Sale with Low Mileage in Fort CollinsUsed Wagons for Sale with Low Mileage in Fort Collins
Used Gray GMC Sierra 3500HD for Sale in LongmontUsed Gray GMC Sierra 3500HD for Sale in CheyenneUsed Gray GMC Sierra 3500HD for Sale in DenverUsed Gray GMC Sierra 3500HD for Sale in LaramieUsed Gray GMC Sierra 3500HD for Sale in Castle RockUsed Gray GMC Sierra 3500HD for Sale in Colorado SpringsUsed Gray GMC Sierra 3500HD for Sale in PuebloUsed Gray GMC Sierra 3500HD for Sale in CasperUsed Gray GMC Sierra 3500HD for Sale in Gunnison
