New & Used 2025 GMC Sierra 2500HD for Sale near Longmont, CO

404 results

Longmont, CO

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2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

14,185 miles

$75,851

Fair Deal

Highlands Ranch, CO

42 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior color:: Volcanic Red Tintcoat
Fuel type:: Biodiesel
Interior color:: Jet Black With Kalahari Accents, Perforated Front
Transmission:: Automatic
Mileage:: 14,185
Stock number:: ASF176495
VIN:: 1GT1UPEY9SF176495

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2024 GMC Sierra 2500HD

AT4 Crew Cab 4WD

27,119 miles

$68,684

Great Deal

Highlands Ranch, CO

42 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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 With Kalahari Accents, Perforated Front
Transmission:: Automatic
Mileage:: 27,119
Stock number:: PRF233030
VIN:: 1GT49PEY9RF233030

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2024 GMC Sierra 2500HD

Pro Double Cab 4WD

46,105 miles

$47,300

Good Deal

Littleton, CO

39 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Automatic
Mileage:: 46,105
Stock number:: RF225210
VIN:: 1GT59LEY8RF225210

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2024 GMC Sierra 2500HD

Pro Double Cab 4WD

46,105 miles

$47,300

Good Deal

Littleton, CO

39 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Automatic
Mileage:: 46,105
Stock number:: RF225210
VIN:: 1GT59LEY8RF225210

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

18,219 miles

$73,896

Good Deal

Denver, CO

20 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior color:: Red
Fuel type:: Biodiesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 18,219
Stock number:: SF107973
VIN:: 1GT4UPEY8SF107973

2024 GMC Sierra 2500HD

AT4 Crew Cab 4WD

44,529 miles

$65,998

Great Deal

Longmont, CO

3 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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 With Kalahari Accents
Transmission:: Automatic
Mileage:: 44,529
Stock number:: I119236
VIN:: 1GT49PEY7RF119236

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2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

49,894 miles

$66,997

Good Deal

Highlands Ranch, CO

42 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Atmosphere/Brownstone
Transmission:: 10-Speed Automatic
Mileage:: 49,894
Stock number:: JV184588
VIN:: 1GT49REY6RF184588

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2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

26,632 miles

$72,973

Fair Deal

Brighton, CO

20 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior color:: Volcanic Red Tintcoat
Fuel type:: Biodiesel
Interior color:: Atmosphere/Brownstone
Transmission:: Automatic
Mileage:: 26,632
Stock number:: 14624P
VIN:: 1GT49REY6RF163840

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2024 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

33,472 miles

$75,989

Good Deal

Lone Tree, CO

43 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Alpine Umber
Transmission:: Automatic
Mileage:: 33,472
Stock number:: RF282057
VIN:: 1GT49XEYXRF282057

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2025 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

5,043 miles

$85,344

Good Deal

Fort Collins, CO

24 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior color:: Blue
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 5,043
Stock number:: SF281154T
VIN:: 1GT4UXEY8SF281154

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2024 GMC Sierra 2500HD

SLT Crew Cab 4WD

83,294 miles

$49,771

Great Deal

Greeley, CO

25 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Jet Black
Transmission:: Automatic
Mileage:: 83,294
Stock number:: RF128483U
VIN:: 1GT49NE79RF128483

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2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

43,178 miles

$67,674

Good Deal

Greeley, CO

25 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Black
Transmission:: Automatic
Mileage:: 43,178
Stock number:: 21538
VIN:: 1GT49REY0RF121633

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2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

17,434 miles

$73,221

Good Deal

Highlands Ranch, CO

42 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 2500HD
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:: Jet Black, Forge Perforated Leather Seat Trim
Transmission:: Automatic
Mileage:: 17,434
Stock number:: TF126781A
VIN:: 1GT4UREY7SF131838

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2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

12,965 miles

$72,989

Good Deal

Lone Tree, CO

43 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Jet Black
Transmission:: Automatic
Mileage:: 12,965
Stock number:: RF413105
VIN:: 1GT49REY0RF413105

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2024 GMC Sierra 2500HD

AT4 Crew Cab 4WD

27,119 miles

$68,684

Great Deal

Highlands Ranch, CO

42 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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 With Kalahari Accents, Perforated Front
Transmission:: Automatic
Mileage:: 27,119
Stock number:: PRF233030
VIN:: 1GT49PEY9RF233030

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2025 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

8,908 miles

$83,141

Good Deal

Highlands Ranch, CO

42 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 2500HD
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:: Alpine Umber, Full Grain Leather Seat Trim
Transmission:: Automatic
Mileage:: 8,908
Stock number:: ASF125280
VIN:: 1GT4UXEY1SF125280

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2024 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

30,574 miles

$77,991

Fair Deal

Englewood, CO

42 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Alpine Umber
Transmission:: Automatic
Mileage:: 30,574
Stock number:: 727331
VIN:: 1GT19XEY2RF286543

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2025 GMC Sierra 2500HD

AT4X Crew Cab 4WD

22,348 miles

$83,971

Fair Deal

Highlands Ranch, CO

42 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 2500HD
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 (Obsidian Rush)
Transmission:: Automatic
Mileage:: 22,348
Stock number:: KM151121
VIN:: 1GT4UZEY7SF151121

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2024 GMC Sierra 2500HD

AT4 Crew Cab 4WD

45,603 miles

$64,995

Fair Deal

Frederick, CO

7 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 401 hp 6.6L V8
Exterior color:: Volcanic Red Tintcoat
Fuel type:: Gasoline
Interior color:: Jet Black with Kalahari accents
Transmission:: Automatic
Mileage:: 45,603
Stock number:: T21037
VIN:: 1GT49PE77RF129806

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2024 GMC Sierra 2500HD

SLT Crew Cab 4WD

20,375 miles

$65,791

Good Deal

Highlands Ranch, CO

42 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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, Perforated Leather-Appointed Front Outb
Transmission:: Automatic
Mileage:: 20,375
Stock number:: TRF246115
VIN:: 1GT49NEYXRF246115

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2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

42,149 miles

$69,998

Fair Deal

Longmont, CO

3 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: 42,149
Stock number:: L142225
VIN:: 1GT49REY2RF142225

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2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

47,450 miles

$69,975

Fair Deal

Highlands Ranch, CO

42 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 47,450
Stock number:: KM285912
VIN:: 1GT49REY1RF285912

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2024 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

31,474 miles

$75,921

Good Deal

Highlands Ranch, CO

42 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
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:: Alpine Umber, Full Grain Leather Seat Trim
Transmission:: Automatic
Mileage:: 31,474
Stock number:: ARF185572
VIN:: 1GT49XEY1RF185572

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2025 GMC Sierra 2500HD

AT4X Crew Cab 4WD

22,348 miles

$83,971

Fair Deal

Highlands Ranch, CO

42 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 2500HD
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 (Obsidian Rush)
Transmission:: Automatic
Mileage:: 22,348
Stock number:: KM151121
VIN:: 1GT4UZEY7SF151121

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Reviews

FAQs

5 Overall rating

(1 reviews)

Nickey M

5.0

Reviewed a 2025 GMC Sierra 2500HD on Dec 08, 2024

Great truck Perfect for the family great size love it

2025 GMC Sierra 2500HD FAQs

How much does the 2025 GMC Sierra 2500HD cost in Longmont, CO?

The average 2025 GMC Sierra 2500HD costs about $78,012.03. The average price has decreased by -5.3% since last year. The 282 for sale near Longmont, CO on CarGurus, range from $42,835 to $112,109 in price.

How many 2025 GMC Sierra 2500HD vehicles in Longmont, CO have no reported accidents or damage?

272 out of 282 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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