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New & Used 2025 GMC Sierra 3500HD for Sale near Longmont, CO

251 results
Longmont, CO
2024 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD ClearShift

2024 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

22,977 miles

$78,971

Great Deal
Highlands Ranch, CO
42 mi away
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:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Alpine Umber
Transmission:
10-Speed Automatic
Mileage:
22,977
Stock number:
KM300023
VIN:
1GT49YEY0RF300023

Sponsored

2024 GMC Sierra 3500HD SLE Crew Cab 4WD

2024 GMC Sierra 3500HD

SLE Crew Cab 4WD

11,099 miles

$65,765

Fair Deal
Loveland, CO
17 mi away
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:
11,099
Stock number:
KM125210
VIN:
1GT49TEY7RF125210

Sponsored

2024 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD

2024 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

30,871 miles

$75,798

Great Deal
Longmont, CO
3 mi away
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:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Alpine Umber
Transmission:
Automatic
Mileage:
30,871
Stock number:
346867
VIN:
1GT49YEY7RF346867

Sponsored

2024 GMC Sierra 3500HD Denali Crew Cab 4WD

2024 GMC Sierra 3500HD

Denali Crew Cab 4WD

18,697 miles

$71,991

Good Deal
Highlands Ranch, CO
42 mi away
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:
18,697
Stock number:
KM128001
VIN:
1GT49WEY0RF128001

2024 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD

2024 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

30,871 miles

$75,798

Great Deal
Longmont, CO
3 mi away
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:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Alpine Umber
Transmission:
Automatic
Mileage:
30,871
Stock number:
346867
VIN:
1GT49YEY7RF346867

2024 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD

2024 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

43,576 miles

$72,900

Good Deal
Denver, CO
32 mi away
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
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
43,576
Stock number:
161960
VIN:
1GT49YEY3RF161960

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 3500HD

AT4 Crew Cab 4WD

32,337 miles

$71,491

Fair Deal
Highlands Ranch, CO
42 mi away
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:
Volcanic Red
Fuel type:
Biodiesel
Interior color:
Jet Black With Kalahari Accents
Transmission:
10-Speed Automatic
Mileage:
32,337
Stock number:
KM292573
VIN:
1GT49VEY6RF292573

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

22,977 miles

$78,971

Great Deal
Highlands Ranch, CO
42 mi away
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:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Alpine Umber
Transmission:
10-Speed Automatic
Mileage:
22,977
Stock number:
KM300023
VIN:
1GT49YEY0RF300023

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

24,320 miles

$77,690

Great Deal
Certified Pre-Owned
Denver, CO
37 mi away
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:
Alpine Umber
Transmission:
Automatic
Mileage:
24,320
Stock number:
C12975A
VIN:
1GT49YEY7RF211503

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 3500HD

Denali Ultimate Crew Cab 4WD

32,532 miles

$77,995

Good Deal
Highlands Ranch, CO
42 mi away
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:
Alpine Umber
Transmission:
Automatic
Mileage:
32,532
Stock number:
JV227406
VIN:
1GT49YEY1RF227406

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 3500HD

Denali Crew Cab 4WD

46,160 miles

$68,498

Good Deal
Highlands Ranch, CO
42 mi away
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:
Jet Black
Transmission:
10-Speed Automatic
Mileage:
46,160
Stock number:
KM240886
VIN:
1GT49WEY1RF240886

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 3500HD

Denali Crew Cab 4WD

12,987 miles

$72,995

Good Deal
Highlands Ranch, CO
42 mi away
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:
12,987
Stock number:
JV400755
VIN:
1GT49WEY9RF400755

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Photos coming soon

2024 GMC Sierra 3500HD

Denali Crew Cab 4WD

97,007 miles

$62,928

Fair Deal
Golden, CO
31 mi away
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:
97,007
Stock number:
26037A
VIN:
1GT49WEY8RF357882

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 3500HD

Denali Crew Cab 4WD

46,160 miles

$68,498

Good Deal
Highlands Ranch, CO
42 mi away
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:
Jet Black
Transmission:
10-Speed Automatic
Mileage:
46,160
Stock number:
KM240886
VIN:
1GT49WEY1RF240886

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Sierra 3500HD
  4. / 2025
  5. / Colorado
  6. / Longmont
FAQs

2025 GMC Sierra 3500HD FAQs

How much does the 2025 GMC Sierra 3500HD cost in Longmont, CO?

The average 2025 GMC Sierra 3500HD costs about $80,572.16. The average price has decreased by -13.1% since last year. The 136 for sale near Longmont, CO on CarGurus, range from $45,528 to $105,581 in price.

How many 2025 GMC Sierra 3500HD vehicles in Longmont, CO have no reported accidents or damage?

131 out of 136 for sale near Longmont, CO have no reported accidents or damage.

What fuel types are available?

Biodiesel, Gasoline engines are available.

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