Used GMC Sierra 3500HD SLT for Sale near Colorado

53 results

Sort by:

2025 GMC Sierra 3500HD

SLT Crew Cab 4WD

16,375 miles

$64,405

Year:: 2025
Make:: GMC
Model:: Sierra 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 401 hp 6.6L V8
Exterior color:: Sterling Metallic
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 16,375
Stock #:: KM270919
VIN:: 1GT4UUE78SF270919

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

18,005 miles

$67,988

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:: 10-Speed Automatic
Mileage:: 18,005
Stock #:: JV196718
VIN:: 1GT49UEY5RF196718

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

50,937 miles

$62,997

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:: Summit White
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 50,937
Stock #:: 8047GS
VIN:: 1GT49UEY1RF321651

2025 GMC Sierra 3500HD

SLT Crew Cab 4WD

16,375 miles

$64,405

Year:: 2025
Make:: GMC
Model:: Sierra 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 401 hp 6.6L V8
Exterior color:: Sterling Metallic
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 16,375
Stock #:: KM270919
VIN:: 1GT4UUE78SF270919

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

59,608 miles

$62,099

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:: Titanium Rush Metallic
Fuel type:: Biodiesel
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 59,608
Stock #:: RF133352T
VIN:: 1GT49UEY4RF133352

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

50,937 miles

$62,997

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:: Summit White
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 50,937
Stock #:: 8047GS
VIN:: 1GT49UEY1RF321651

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

18,005 miles

$67,988

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:: 10-Speed Automatic
Mileage:: 18,005
Stock #:: JV196718
VIN:: 1GT49UEY5RF196718

Home delivery

2020 GMC Sierra 3500HD

SLT Crew Cab 4WD

68,661 miles

$54,040

Fair Deal

$1,057/mo est.

Home delivery from Fort Collins, CO

Price includes $54 shipping

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:: Summit White
Fuel type:: Biodiesel
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 68,661
Stock #:: J10757
VIN:: 1GT49UEY3LF146407

Home delivery

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

27,557 miles

$65,326

Fair Deal

$1,233/mo est.

Home delivery from Houston, TX

Price includes $876 shipping

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:: 27,557
Stock #:: 406813
VIN:: 1GT49UEYXRF406813

Home delivery

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

21,762 miles

$69,608

Fair Deal

$1,314/mo est.

Home delivery from Fond du Lac, WI

Price includes $1,611 shipping

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:: Black
Transmission:: Automatic
Mileage:: 21,762
Stock #:: YB35286
VIN:: 1GT49UEYXRF259490

Preparing for a close up...

Photos coming soon

Home delivery

2022 GMC Sierra 3500HD

SLT Crew Cab 4WD

55,933 miles

$55,241

Good Deal

$1,070/mo est.

Home delivery from Price, UT

Price includes $246 shipping

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:: Quicksilver Metallic
Fuel type:: Biodiesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 55,933
Stock #:: 7856
VIN:: 1GT49UEY5NF101892

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 3500HD

SLT Crew Cab 4WD

80,927 miles

$53,970

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:: Black
Fuel type:: Biodiesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 80,927
Stock #:: 336825C
VIN:: 1GT49UEY5NF281648

Preparing for a close up...

Photos coming soon

Home delivery

2019 GMC Sierra 3500HD

SLT Crew Cab 4WD

133,662 miles

$40,649

Fair Deal

$795/mo est.

Home delivery from West Jordan, UT

Price includes $754 shipping

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 Frost Tricoat
Fuel type:: Biodiesel
Interior color:: Cocoa/Dune
Transmission:: 6-Speed Automatic
Mileage:: 133,662
Stock #:: T20838
VIN:: 1GT42VEY1KF149606

Preparing for a close up...

Photos coming soon

Home delivery

2025 GMC Sierra 3500HD

SLT Crew Cab 4WD

13,216 miles

$63,826

Great Deal

$1,196/mo est.

Manufacturer certified

Home delivery from West Plains, MO

Price includes $1,855 shipping

Year:: 2025
Make:: GMC
Model:: Sierra 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 401 hp 6.6L V8
Exterior color:: Summit White
Fuel type:: Gasoline
Interior color:: Dark Walnut/Slate, Perforated Leather-appointed fr
Transmission:: Automatic
Mileage:: 13,216
Stock #:: 26477A
VIN:: 1GT4UUE72SF349731

Preparing for a close up...

Photos coming soon

Home delivery

2018 GMC Sierra 3500HD

SLT Crew Cab 4WD

153,735 miles

$37,806

Fair Deal

$740/mo est.

Home delivery from Post Falls, ID

Price includes $811 shipping

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:: Red
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: 6-Speed Automatic Overdrive
Mileage:: 153,735
Stock #:: L2605
VIN:: 1GT42XEY8JF133588

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 3500HD

SLT Crew Cab 4WD

34,300 miles

$65,989

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:: Summit White
Fuel type:: Biodiesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 34,300
Stock #:: JV133450
VIN:: 1GT4UUEY9SF133450

Preparing for a close up...

Photos coming soon

Home delivery

2018 GMC Sierra 3500HD

SLT Crew Cab 4WD

103,679 miles

$41,554

Good Deal

$813/mo est.

Home delivery from Tulsa, OK

Price includes $1,112 shipping

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:: Summit White
Fuel type:: Biodiesel
Interior color:: Cocoa/Dune
Transmission:: 6-Speed Automatic
Mileage:: 103,679
Stock #:: TTM1265
VIN:: 1GT42XEY1JF125428

Preparing for a close up...

Photos coming soon

Home delivery

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

91,957 miles

$57,978

Good Deal

$1,094/mo est.

Home delivery from Logan, UT

Price includes $479 shipping

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:: Summit White
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 91,957
Stock #:: L226248
VIN:: 1GT49UEY3RF226248

Preparing for a close up...

Photos coming soon

Home delivery

2024 GMC Sierra 3500HD

SLT Crew Cab LB 4WD

125,360 miles

$34,648

Great Deal

$654/mo est.

Home delivery from Arlington, TX

Price includes $653 shipping

Year:: 2024
Make:: GMC
Model:: Sierra 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior color:: White
Interior color:: Gray
Transmission:: Automatic
Mileage:: 125,360
Stock #:: M6745
VIN:: 1GD42VCY9HF191979

Preparing for a close up...

Photos coming soon

Home delivery

2023 GMC Sierra 3500HD

SLT Crew Cab 4WD

64,558 miles

$53,658

Fair Deal

$1,021/mo est.

Home delivery from Vernal, UT

Price includes $368 shipping

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:: Summit White
Fuel type:: Biodiesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 64,558
Stock #:: 4A160287
VIN:: 1GT49UEY4PF160287

Preparing for a close up...

Photos coming soon

Home delivery

2019 GMC Sierra 3500HD

SLT Crew Cab 4WD

188,414 miles

$29,442

Fair Deal

$576/mo est.

Home delivery from Houston, TX

Price includes $1,310 shipping

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
Transmission:: Automatic
Mileage:: 188,414
Stock #:: 262517
VIN:: 1GT42VEY8KF262517

Preparing for a close up...

Photos coming soon

Home delivery

2025 GMC Sierra 3500HD

SLT Crew Cab 4WD

13,391 miles

$73,593

Fair Deal

$1,379/mo est.

Home delivery from Lehi, UT

Price includes $367 shipping

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:: Titanium
Fuel type:: Biodiesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 13,391
Stock #:: 14864
VIN:: 1GT4UUEY1SF170573

Preparing for a close up...

Photos coming soon

Home delivery

2025 GMC Sierra 3500HD

SLT Crew Cab 4WD

13,659 miles

$68,241

Good Deal

$1,278/mo est.

Home delivery from Price, UT

Price includes $246 shipping

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:: Sterling Metallic
Fuel type:: Biodiesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 13,659
Stock #:: 7704
VIN:: 1GT4UUEY7SF321075

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 3500HD

SLT Crew Cab 4WD

59,608 miles

$62,099

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:: Titanium Rush Metallic
Fuel type:: Biodiesel
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 59,608
Stock #:: RF133352T
VIN:: 1GT49UEY4RF133352

A better way to discover your best deal

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