Used GMC Sierra 3500HD Denali for Sale nearFort Collins, CO

Filters (3)

Location:

Only show listings in CO?

Include delivery listings?

199 vehicles found

Shop with transparent pricing.

Only show listings that include dealer fees
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:
Black
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
35,776
Stock #:
S72078
VIN:
1GT4UWEY8SF338673
Black 2025 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic
The Sharpest Rides

Sponsored by The Sharpest Rides

2025 GMC Sierra 3500HD

Denali Crew Cab 4WD

35,776 mi

Englewood, CO
62 mi away
Fair Deal

$70,487

Year:
2019
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Black
Fuel type:
Biodiesel
Transmission:
6-Speed Automatic
Mileage:
46,810
Stock #:
T18764
VIN:
1GT42WEY4KF122969
Black 2019 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

Sponsored Listing

2019 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

46,810 mi

Parker, CO
74 mi away
Good Deal

$51,500

Year:
2022
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
43,038
Stock #:
M1859C
VIN:
1GT49WEY7NF176122
White Frost Tricoat 2022 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2022 GMC Sierra 3500HD

Denali Crew Cab 4WD

43,038 mi

Castle Rock, CO
85 mi away
Great Deal

$56,794

Year:
2016
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:
White
Fuel type:
Diesel
Interior color:
Brown (Tan)
Transmission:
6-Speed Automatic
Mileage:
183,216
Stock #:
NP 281240
VIN:
1GT42YE88GF281240
White 2016 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2016 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

183,216 mi

Littleton, CO
70 mi away
Fair Deal

$32,499

Year:
2013
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:
Onyx Black
Fuel type:
Diesel
Interior color:
Black (Ebony)
Transmission:
6-Speed Automatic
Mileage:
62,259
Stock #:
T180153
VIN:
1GT426E81DF180153
Onyx Black 2013 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic
Price drop

-$1,987

 

2013 GMC Sierra 3500HD

Denali Crew Cab SB 4WD

62,259 mi

Denver, CO
62 mi away
Good Deal

$39,045

$37,857

Year:
2022
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
43,038
Stock #:
M1859C
VIN:
1GT49WEY7NF176122
White Frost Tricoat 2022 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

 

2022 GMC Sierra 3500HD

Denali Crew Cab 4WD

43,038 mi

Castle Rock, CO
85 mi away
Great Deal

$56,794

Year:
2019
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Black
Fuel type:
Biodiesel
Transmission:
6-Speed Automatic
Mileage:
46,810
Stock #:
T18764
VIN:
1GT42WEY4KF122969
Black 2019 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2019 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

46,810 mi

Parker, CO
74 mi away
Good Deal

$51,500

Year:
2017
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Onyx Black
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
6-Speed Automatic
Mileage:
138,687
Stock #:
A23175
VIN:
1GT42YEY5HF235012
Onyx Black 2017 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2017 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

138,687 mi

Frederick, CO
32 mi away
Fair Deal

$40,594

Year:
2022
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Red
Fuel type:
Biodiesel
Transmission:
10-Speed Automatic
Mileage:
118,610
Stock #:
26340
VIN:
1GT49WEY5NF139036
Red 2022 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 10-Speed Automatic

 

2022 GMC Sierra 3500HD

Denali Crew Cab 4WD

118,610 mi

Franktown, CO
83 mi away
Great Deal

$44,950

Year:
2013
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:
Black
Fuel type:
Diesel
Interior color:
Cocoa/Light Cashmere
Transmission:
6-Speed Automatic
Mileage:
138,687
Stock #:
A22865
VIN:
1GT426E84DF243584
Black 2013 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2013 GMC Sierra 3500HD

Denali Crew Cab SB 4WD

138,687 mi

Frederick, CO
32 mi away
Fair Deal

$33,594

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:
Onyx Black
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
77,980
Stock #:
RF403375
VIN:
1GT49WEY3RF403375
Onyx Black 2024 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 3500HD

Denali Crew Cab 4WD

77,980 mi

Lone Tree, CO
70 mi away
Good Deal
Manufacturer certified

$59,349

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:
Dark Slate Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
6-Speed Automatic
Mileage:
47,653
Stock #:
JF125602T
VIN:
1GT42YEY5JF125602
Dark Slate Metallic 2018 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2018 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

47,653 mi

Castle Rock, CO
85 mi away
Fair Deal
Manufacturer certified

$51,799

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:
Downpour Metallic
Fuel type:
Biodiesel
Interior color:
Atmosphere/Brownstone
Transmission:
Automatic
Mileage:
1,205
Stock #:
TF271676T
VIN:
1GT4UWEY5TF271676
Downpour Metallic 2026 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 3500HD

Denali Crew Cab 4WD

1,205 mi

Castle Rock, CO
85 mi away
Great Deal
Manufacturer certified

$74,197

Year:
2019
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:
29,599
Stock #:
OEMCKF246332P
VIN:
1GT42WEY7KF246332
Gray 2019 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

 

2019 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

29,599 mi

Fort Collins, CO
4 mi away
Good Deal

$56,044

Year:
2023
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Cayenne Red Tintcoat
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
32,184
Stock #:
HQP23230
VIN:
1GT49WEY2PF151034
Cayenne Red Tintcoat 2023 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

 

2023 GMC Sierra 3500HD

Denali Crew Cab 4WD

32,184 mi

Frederick, CO
32 mi away
Fair Deal

$65,594

Year:
2019
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
White
Fuel type:
Biodiesel
Interior color:
Brown (Tan)
Transmission:
6-Speed Automatic
Mileage:
96,670
Stock #:
26400
VIN:
1GT42WEY0KF259195
White 2019 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2019 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

96,670 mi

Franktown, CO
83 mi away
Good Deal

$46,100

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:
White
Fuel type:
Biodiesel
Interior color:
Atmosphere/Brownstone, Forge Perforated Leather Se
Transmission:
Automatic
Mileage:
25,526
Stock #:
TSF127739A
VIN:
1GT4UWEY9SF127739
White 2025 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

 

2025 GMC Sierra 3500HD

Denali Crew Cab 4WD

25,526 mi

Highlands Ranch, CO
70 mi away
Fair Deal
Manufacturer certified

$74,953

Year:
2023
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
77,315
Stock #:
L123154
VIN:
1GT49WEY4PF123154
White Frost Tricoat 2023 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

 

2023 GMC Sierra 3500HD

Denali Crew Cab 4WD

77,315 mi

Longmont, CO
29 mi away
Good Deal
Manufacturer certified

$56,491

Year:
2023
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Quicksilver Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
19,628
Stock #:
PF218036T
VIN:
1GT49WEY2PF218036
Quicksilver Metallic 2023 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2023 GMC Sierra 3500HD

Denali Crew Cab 4WD

19,628 mi

Castle Rock, CO
85 mi away
Fair Deal
Manufacturer certified

$66,199

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:
Black
Fuel type:
Biodiesel
Transmission:
6-Speed Automatic
Mileage:
145,080
Stock #:
26480
VIN:
1GT42YEY2JF126027
Black 2018 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2018 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

145,080 mi

Franktown, CO
83 mi away
Good Deal

$37,950

Year:
2021
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Green
Fuel type:
Biodiesel
Interior color:
Gray (Dark Walnut/Dark Ash Grey, Forge Perforated Leathe)
Transmission:
Automatic
Mileage:
12,589
Stock #:
TMF302763
VIN:
1GT49WEYXMF302763
Green 2021 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 3500HD

Denali Crew Cab 4WD

12,589 mi

Highlands Ranch, CO
70 mi away
Fair Deal
Manufacturer certified

$66,838

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:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Gray (Dark Walnut/Dark Ash Grey)
Transmission:
Automatic
Mileage:
93,695
Stock #:
LF201508
VIN:
1GT49WEY6LF201508
White Frost Tricoat 2020 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,450

 

2020 GMC Sierra 3500HD

Denali Crew Cab 4WD

93,695 mi

Lone Tree, CO
70 mi away
Fair Deal

$52,999

$50,549

Year:
2016
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:
White
Fuel type:
Diesel
Interior color:
Brown (Tan)
Transmission:
6-Speed Automatic
Mileage:
183,216
Stock #:
NP 281240
VIN:
1GT42YE88GF281240
White 2016 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic

Sponsored Listing

2016 GMC Sierra 3500HD

Denali Crew Cab LB DRW 4WD

183,216 mi

Littleton, CO
70 mi away
Fair Deal

$32,499

FAQs

How many GMC Sierra 3500HD Denali vehicles in Fort Collins, CO have no reported accidents or damage?

154 out of 190 for sale near Fort Collins, CO have no reported accidents or damage.

What fuel types are available?

Diesel, Flex Fuel Vehicle, Biodiesel, Gasoline engines are available.

*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.

Relevant articles

The Best Dually Trucks of 2026
George Kennedy

The Best Dually Trucks of 2026

Trucks have gone quite lux lately, and are more often used to get around town than to get work done. The most capable of these trucks are nicknamed “duallies”, which those equipped with dual rear wheels.

GMC Sierra 3500HD Buying Guide: Cost, Reliability, and the Best Years to Buy
Mark Takahashi

GMC Sierra 3500HD Buying Guide: Cost, Reliability, and the Best Years to Buy

Discover the ultimate buying guide for purchasing a used GMC Sierra 3500HD covering each generation since 1988. Whether you're a first-time buyer or a GMC enthusiast, this comprehensive overview will help you research your next pre-owned GMC Sierra 3500HD.

2025 GMC Sierra 3500HD Pricing, Specs, and Release Date
Chris Teague

2025 GMC Sierra 3500HD Pricing, Specs, and Release Date

Like its slightly less beefy 2500HD sibling, the 2025 GMC Sierra 3500HD offers added features for the new model year, including a standard trailer brake controller.

GMC Sierra 3500HD Denali in Fort Collins COGMC Sierra 3500HD SLT in Fort Collins COGMC Sierra 3500HD SLE in Fort Collins COGMC Sierra 3500HD Base in Fort Collins COGMC Sierra 3500HD Work Truck in Fort Collins COGMC Sierra 3500HD SLE1 in Fort Collins COGMC Sierra 3500HD SLE2 in Fort Collins CO

GMC Sierra 3500HD in Longmont COGMC Sierra 3500HD in Cheyenne WYGMC Sierra 3500HD in Denver COGMC Sierra 3500HD in Laramie WYGMC Sierra 3500HD in Castle Rock COGMC Sierra 3500HD in Colorado Springs COGMC Sierra 3500HD in Pueblo COGMC Sierra 3500HD in Casper WYGMC Sierra 3500HD in Gunnison CO

GMC Sierra 3500HD in Fort Collins COOBS 1990s-era Chevy and Ford Trucks for Sale in Fort Collins COUsed GMC Electric Cars for SaleLifted GMC trucks for sale in Fort Collins COReliable Cars for Sale in Fort Collins COOne Ton Trucks for Sale in Fort Collins COGM Certified Preowned Vehicles for Sale Near Fort Collins COReliable Cheap Cars For Sale in Fort Collins CO

2019 GMC Sierra 3500HD Denali in Fort Collins CO2018 GMC Sierra 3500HD Denali in Fort Collins CO2017 GMC Sierra 3500HD Denali in Fort Collins CO2016 GMC Sierra 3500HD Denali in Fort Collins CO2015 GMC Sierra 3500HD Denali in Fort Collins CO2014 GMC Sierra 3500HD Denali in Fort Collins CO

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

Johnson Auto PlazaMike Maroone Cadillac Buick GMCMike Maroone Chevrolet Buick GMC LongmontLoveland Buick GMCTranswest GMC IsuzuHalladay MotorsGrand Kia

A better way to discover your best deal

Let us help you find a car you’ll love.