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Used GMC Sierra 2500HD for Sale near Longmont, CO

752 results

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, Forge Perforated Leather Seat Trim
Transmission:
Automatic
Mileage:
28,983
Stock #:
ARF343134
VIN:
1GT19REY3RF343134
Onyx Black 2024 GMC Sierra 2500HD Denali Crew Cab 4WD Pickup Truck Four-Wheel Drive Automatic
Alpine Buick GMC

Sponsored by Alpine Buick GMC

2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

28,983 mi

Highlands Ranch, CO
42 mi away
Fair Deal

$73,189

Year:
2024
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Titanium Rush Metallic
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
33,163
Stock #:
U16908
VIN:
1GT49REY3RF437558
Titanium Rush Metallic 2024 GMC Sierra 2500HD Denali Crew Cab 4WD Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

33,163 mi

Henderson, CO
23 mi away
Fair Deal

$74,088

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
Transmission:
Automatic
Mileage:
61,213
Stock #:
14770
VIN:
1GT19MEY0RF265799
Summit White 2024 GMC Sierra 2500HD SLE Crew Cab 4WD Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2024 GMC Sierra 2500HD

SLE Crew Cab 4WD

61,213 mi

Home delivery from Nashville, TN
Price includes $2,068 shipping
Fair Deal

$53,661

Year:
2020
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Red Quartz Tintcoat
Fuel type:
Biodiesel
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
55,229
Stock #:
3D25036B
VIN:
1GT19PEY1LF120280
Red Quartz Tintcoat 2020 GMC Sierra 2500HD AT4 Crew Cab 4WD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$1,437

 

2020 GMC Sierra 2500HD

AT4 Crew Cab 4WD

55,229 mi

Home delivery from Casper, WY
Price includes $285 shipping
Fair Deal

$56,782

$55,345

Year:
2024
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Sterling Metallic
Interior color:
Jet Black with Kalahari accents
Transmission:
Automatic
Mileage:
21,676
Stock #:
U16911
VIN:
1GT49PEYXRF180516
Sterling Metallic 2024 GMC Sierra 2500HD AT4 Crew Cab 4WD Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2024 GMC Sierra 2500HD

AT4 Crew Cab 4WD

21,676 mi

Henderson, CO
23 mi away
Fair Deal

$75,593

Year:
2021
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Blue
Fuel type:
Gasoline
Interior color:
Brown (Tan)
Transmission:
6-Speed Automatic
Mileage:
78,205
Stock #:
T18316
VIN:
1GT29ME75MF230633
Blue 2021 GMC Sierra 2500HD SLE Double Cab 4WD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2021 GMC Sierra 2500HD

SLE Double Cab 4WD

78,205 mi

Parker, CO
47 mi away
Great Deal

$33,998

Year:
2021
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
White
Fuel type:
Gasoline
Interior color:
Black
Transmission:
6-Speed Automatic
Mileage:
97,493
Stock #:
2025-526
VIN:
1GT49ME77MF311402
White 2021 GMC Sierra 2500HD SLE Crew Cab 4WD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2021 GMC Sierra 2500HD

SLE Crew Cab 4WD

97,493 mi

Longmont, CO
4 mi away
Great Deal

$34,999

Year:
2017
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Fuel type:
Biodiesel
Transmission:
6-Speed Automatic
Mileage:
205,493
Stock #:
37469
VIN:
1GT12UEY4HF137469
 2017 GMC Sierra 2500HD Denali Crew Cab SB 4WD Pickup Truck Four-Wheel Drive 6-Speed Automatic
New arrival

 

2017 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

205,493 mi

Englewood, CO
37 mi away
Fair Deal

$29,989

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:
Thunderstorm Gray
Fuel type:
Biodiesel
Interior color:
Black (Obsidian Rush)
Transmission:
10-Speed Automatic
Mileage:
14,477
Stock #:
443796T
VIN:
1GT49ZEY5RF443796
Thunderstorm Gray 2024 GMC Sierra 2500HD AT4X Crew Cab 4WD Pickup Truck Four-Wheel Drive 10-Speed Automatic
New arrival

 

2024 GMC Sierra 2500HD

AT4X Crew Cab 4WD

14,477 mi

Highlands Ranch, CO
42 mi away
Fair Deal

$83,736

Recommended model year:

2025 GMC Sierra 2500HD

4.5

Shop 2025 GMC Sierra 2500HD »
  • With 3,881 currently listed for sale and an average price of $76,379.00, 34.1% of 2025 GMC Sierras for sale on CarGurus are rated as good or great deals.

  • Favorably reviewed: Owners rated the 2025 GMC Sierra 2500HD 5 / 5 stars.

  • 94.9% of 2025 Sierra 2500HD models on CarGurus are accident-free.

  • The 2025 GMC Sierra 2500HD boasts luxurious features and high-end technology, making it a top pick for heavy-duty truck enthusiasts.

Research summarized using AI

 

Year:
2018
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
4X2
Engine:
360 hp 6L V8 Flex Fuel Vehicle
Exterior color:
White
Fuel type:
Flex Fuel Vehicle
Interior color:
Gray
Transmission:
6-Speed Automatic
Mileage:
121,353
Stock #:
337344
VIN:
1GT21REG9JZ337344
White 2018 GMC Sierra 2500HD Base Double Cab SB Pickup Truck 4X2 6-Speed Automatic

 

2018 GMC Sierra 2500HD

Base Double Cab SB

121,353 mi

Loveland, CO
15 mi away
Fair Deal

$21,587

Year:
2022
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Black (Ebony Twilight Met)
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
88,184
Stock #:
NF359392
VIN:
1GT49REY7NF359392
Black (Ebony Twilight Met) 2022 GMC Sierra 2500HD Denali Crew Cab 4WD Pickup Truck Four-Wheel Drive Automatic

 

2022 GMC Sierra 2500HD

Denali Crew Cab 4WD

88,184 mi

Littleton, CO
39 mi away
Great Deal

$51,666

Year:
2015
Make:
GMC
Model:
Sierra 2500HD
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:
Jet Black
Transmission:
Automatic
Mileage:
158,681
Stock #:
U16913
VIN:
1GT120E85FF556713
Onyx Black 2015 GMC Sierra 2500HD Denali Crew Cab SB 4WD Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2015 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

158,681 mi

Henderson, CO
23 mi away
Fair Deal

$34,593

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:
46,993
Stock #:
T6902A
VIN:
1GT49XEY4RF469309
Sterling Metallic 2024 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD Pickup Truck Four-Wheel Drive Automatic

 

2024 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

46,993 mi

Brighton, CO
20 mi away
Good Deal

$73,685

Year:
2012
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
2 doors
Drivetrain:
Four-Wheel Drive
Engine:
360 hp 6L V8
Exterior color:
White
Fuel type:
Gasoline
Interior color:
Dk. Gray
Transmission:
6-Speed Automatic
Mileage:
181,543
Stock #:
CZ175343
VIN:
1GT02ZCG4CZ175343
White 2012 GMC Sierra 2500HD Work Truck LB 4WD Pickup Truck Four-Wheel Drive 6-Speed Automatic
New arrival

 

2012 GMC Sierra 2500HD

Work Truck LB 4WD

181,543 mi

Denver, CO
35 mi away
Good Deal

$10,000

Year:
2021
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Black
Fuel type:
Gasoline
Interior color:
Gray
Transmission:
6-Speed Automatic
Mileage:
87,466
Stock #:
260359C
VIN:
1GT29ME70MF214212
Black 2021 GMC Sierra 2500HD SLE Double Cab 4WD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2021 GMC Sierra 2500HD

SLE Double Cab 4WD

87,466 mi

Parker, CO
34 mi away
Good Deal

$34,738

Year:
2022
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
6-Speed Automatic
Mileage:
87,077
Stock #:
NF174455
VIN:
1GT49RE71NF174455
Onyx Black 2022 GMC Sierra 2500HD Denali Crew Cab 4WD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2022 GMC Sierra 2500HD

Denali Crew Cab 4WD

87,077 mi

Lone Tree, CO
43 mi away
Good Deal

$48,888

Year:
2022
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Fuel type:
Biodiesel
Transmission:
6-Speed Automatic
Mileage:
60,081
Stock #:
115976
VIN:
1GT49REY8NF115976
 2022 GMC Sierra 2500HD Denali Crew Cab 4WD Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2022 GMC Sierra 2500HD

Denali Crew Cab 4WD

60,081 mi

Frederick, CO
7 mi away
Good Deal

$57,659

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
Fuel type:
Biodiesel
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
20,621
Stock #:
T203732
VIN:
1GT4UPEY6SF203732
Volcanic Red 2025 GMC Sierra 2500HD AT4 Crew Cab 4WD Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

20,621 mi

Boulder, CO
12 mi away
Good Deal

$73,318

Page 1 of 35

FAQs

Is the GMC 2500 reliable?
Yes, the GMC Sierra 2500HD is known for its reliability, especially in certain model years. According to JD Power's rankings, the most reliable years for the Sierra 2500HD include 2020, 2018, 2016, 2014, 2012, 2011, and 2010. These models have earned high marks for their durability and dependability, making them solid choices if you're in the market for a heavy-duty pickup.
How many miles per gallon does a GMC 2500 diesel get?
The GMC Sierra 2500HD with the diesel engine delivers a fuel efficiency of around 17 mpg on the highway, based on tests of the Denali trim. While other diesel-powered competitors like the Silverado 2500 LTZ and Ram 2500 Tradesmen have achieved slightly better highway mileage at 19 mpg, the Sierra 2500HD still offers a respectable balance of power and fuel economy for a heavy-duty truck.
Is a GMC 2500 a good truck?
The 2024 GMC Sierra 2500 HD is indeed a good truck, known for its competence and power in the heavy-duty segment. It features a comfortable ride, a functional interior, and a potent turbocharged V8 engine. While it boasts a higher maximum tow rating than its predecessors, it still faces stiff competition from other brands. Nonetheless, it remains a solid choice for those needing a reliable and capable heavy-duty truck.
What is the MPG for a 2024 GMC Sierra 2500 HD diesel?
The 2024 GMC Sierra 2500 HD diesel has an average combined fuel economy of roughly 14 mpg, based on data from multiple vehicles, fuel-ups, and miles driven. This figure provides a realistic expectation of what owners can expect in terms of fuel efficiency, considering the truck's heavy-duty capabilities and performance demands.
How much does the GMC Sierra 2500HD cost in Longmont, CO?
The average GMC Sierra 2500HD costs about $59,306.92. The average price has increased by 5.3% since last year. The 753 for sale near Longmont, CO on CarGurus, range from $7,296 to $132,446 in price.
Is the GMC Sierra 2500HD a good car?
CarGurus experts gave the 2024 GMC Sierra 2500HD an overall rating of 8/10 and GMC Sierra 2500HD owners have rated the vehicle a 4.5/5 stars on average. If a vehicle has both strong expert and owner reviews, you can feel confident in its quality. If either expert reviews, owner reviews, or both are spotty, you might want to do some research to figure out where the car falls short.
How many GMC Sierra 2500HD vehicles in Longmont, CO have no reported accidents or damage?
635 out of 753 for sale near Longmont, CO have no reported accidents or damage.
Is the GMC Sierra 2500HD safe?
CarGurus experts gave the 2024 GMC Sierra 2500HD a safety rating of 9/10.
What fuel types are available?
Diesel, Flex Fuel Vehicle, Biodiesel, Gasoline engines are available.

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