Used GMC Sierra 2500HD for Sale nearLongmont, CO
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2026
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 13,125
- Stock #:
- TF103212C
- VIN:
- 1GT1UREY6TF103212
-$3,799
Sponsored by Foundation Chevrolet
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
13,125 mi
$74,698
$71,698
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 33,741
- Stock #:
- RF315274
- VIN:
- 1GT49NEY3RF315274
Sponsored Listing
2024 GMC Sierra 2500HD
SLT Crew Cab 4WD
33,741 mi
$66,599
- 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:
- 20,292
- Stock #:
- RF392514
- VIN:
- 1GT59ME70RF392514
Sponsored Listing
2024 GMC Sierra 2500HD
SLE Double Cab 4WD
20,292 mi
$50,999
- 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 Metallic)
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 104,736
- Stock #:
- T103437A
- VIN:
- 1GT49REY6NF103437
2022 GMC Sierra 2500HD
Denali Crew Cab 4WD
104,736 mi
$47,799
- 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:
- Red (Burgundy)
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 62,999
- Stock #:
- 260408C
- VIN:
- 1GT29ME72RF308597
2024 GMC Sierra 2500HD
SLE Double Cab 4WD
62,999 mi
$42,232
- Year:
- 2015
- 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:
- Brown
- Transmission:
- Automatic
- Mileage:
- 100,113
- Stock #:
- 572189
- VIN:
- 1GT110EG3FF572189
2015 GMC Sierra 2500HD
Denali Crew Cab SB
100,113 mi
$30,669
- 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:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic
- Mileage:
- 139,439
- Stock #:
- 6717AW-2
- VIN:
- 1GT120E89FF676109
2015 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
139,439 mi
$35,916
- 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:
- 88,215
- Stock #:
- NF359392
- VIN:
- 1GT49REY7NF359392
-$1,330
2022 GMC Sierra 2500HD
Denali Crew Cab 4WD
88,215 mi
$49,328
$47,998
- Year:
- 2009
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8
- Exterior color:
- Red (Burgundy)
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 155,727
- Stock #:
- 110396
- VIN:
- 1GTHK53K59F110396
2009 GMC Sierra 2500HD
SLE1 Crew Cab 4WD
155,727 mi
$9,914
- 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
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 85,584
- Stock #:
- EV292375
- VIN:
- 1GT49LEY7RF292375
2024 GMC Sierra 2500HD
Pro Crew Cab 4WD
85,584 mi
$45,528
- 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:
- 206,116
- Stock #:
- 37469
- VIN:
- 1GT12UEY4HF137469
2017 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
206,116 mi
$29,989
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Pacific Blue Metalli
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 35,363
- Stock #:
- 3530
- VIN:
- 1GT59ME75PF234005
2023 GMC Sierra 2500HD
SLE Double Cab 4WD
35,363 mi
$40,656
- 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
2021 GMC Sierra 2500HD
SLE Double Cab 4WD
87,466 mi
$32,978
Recommended model year:
2025 GMC Sierra 2500HD
Shop 2025 GMC Sierra 2500HD »With 3,984 currently listed for sale and an average price of $75,065, 33.0% 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.
94.4% of 2025 Sierra 2500HD models on CarGurus are accident free.
The 2025 GMC Sierra 2500HD is equipped with advanced technology and comfort features, including a luxurious interior and a powerful engine lineup, making it a top choice for heavy-duty truck buyers.
- 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:
- 23,015
- Stock #:
- SF210195C
- VIN:
- 1GT4UZEY3SF210195
-$3,799
2025 GMC Sierra 2500HD
AT4X Crew Cab 4WD
23,015 mi
$82,998
$79,998
- Year:
- 2013
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8
- Exterior color:
- Silver
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 6-Speed Automatic
- Mileage:
- 143,648
- Stock #:
- 172344
- VIN:
- 1GT220CG5DZ172344
2013 GMC Sierra 2500HD
SLE Ext. Cab SB 4WD
143,648 mi
$17,799
- 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:
- Black (Obsidian Rush)
- Transmission:
- Automatic
- Mileage:
- 25,441
- Stock #:
- A17211N
- VIN:
- 1GT49ZEY1RF309643
2024 GMC Sierra 2500HD
AT4X Crew Cab 4WD
25,441 mi
$76,403
- 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:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 108,367
- Stock #:
- 134933
- VIN:
- 1GT49RE79NF134933
2022 GMC Sierra 2500HD
Denali Crew Cab 4WD
108,367 mi
$48,749
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 112,322
- Stock #:
- 17638
- VIN:
- 1GT12REY4KF208366
2019 GMC Sierra 2500HD
SLT Crew Cab 4WD
112,322 mi
$39,332
- Year:
- 2023
- 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:
- 6-Speed Automatic
- Mileage:
- 63,812
- Stock #:
- A22494
- VIN:
- 1GT29ME78PF153132
2023 GMC Sierra 2500HD
SLE Double Cab 4WD
63,812 mi
$39,594
- 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
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 128,267
- Stock #:
- 109551
- VIN:
- 1GT49XEY9RF109551
2024 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
128,267 mi
$57,977
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 84,150
- Stock #:
- F324363
- VIN:
- 1GT49RE76LF324363
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
84,150 mi
$49,748
- Year:
- 2015
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8 Flex Fuel Vehicle
- Exterior color:
- Onyx Black
- Fuel type:
- Flex Fuel Vehicle
- Transmission:
- Automatic
- Mileage:
- 98,169
- Stock #:
- F62913P
- VIN:
- 1GT120EG7FF662913
2015 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
98,169 mi
$32,066
- Year:
- 2025
- 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:
- Automatic
- Mileage:
- 22,454
- Stock #:
- SF106160S
- VIN:
- 1GT5ULE70SF106160
Sponsored Listing
2025 GMC Sierra 2500HD
Pro Double Cab 4WD
22,454 mi
$45,642
FAQs
Is the GMC 2500 reliable?
How many miles per gallon does a GMC 2500 diesel get?
Is a GMC 2500 a good truck?
What is the MPG for a 2024 GMC Sierra 2500 HD diesel?
How much does the GMC Sierra 2500HD cost in Longmont, CO?
Is the GMC Sierra 2500HD a good car?
How many GMC Sierra 2500HD vehicles in Longmont, CO have no reported accidents or damage?
Is the GMC Sierra 2500HD safe?
What fuel types are available?
4.5 Overall rating
Customers say
The GMC Sierra 2500HD is a favored choice among truck owners, known for its impressive power, towing capabilities, and comfortable ride. Drivers consistently appreciate its smooth handling and luxurious features that cater to both work and leisure needs. Owners often highlight its reliability and strong performance in challenging tasks like towing heavy loads. However, some owners do express concerns regarding fuel economy and pricing, noting that it can feel expensive compared to competitors, as well as mentioning quality issues in certain models. Overall, the Sierra 2500HD stands out for its performance and comfort, making it a solid option for those in need of a heavy-duty truck.
AI generated from the text of customer reviews.
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What people say
Christopher S
Reviewed a 2025 GMC Sierra 2500HD on Nov 5, 2025
The 2025 GMC Sierra 2500HD stands out as a more refined and upscale version of the Silverado 2500, offering the same impressive power and towing capability with added luxury and tech touches. Its interior feels more premium, benefits from features like the MultiPro tailgate, and has a slightly smoother ride.
4TEC L
Reviewed a 2024 GMC Sierra 2500HD on Jul 27, 2025
Outstanding vehicle! Has everything I expected and has a lot of capabilities.
Joe S
Reviewed a 2026 GMC AT4 Crew Cab 4WD on May 11, 2026
It has all the bells and whistles that I want including the premium plus package, the technology package, and the camper snow plow package
Cristobal R
Reviewed a 2020 GMC Denali Crew Cab 4WD on Dec 17, 2025
Absolutely love the truck and it was at a good price for the amount of miles and condition!
GMC Sierra 2500HD Trims
| Trim type | MSRP |
|---|---|
| Pro Double Cab 4WD | $51,700 |
| Pro Crew Cab 4WD | $53,500 |
| SLE Crew Cab 4WD | $57,900 |
| AT4X Crew Cab 4WD | $85,200 |
| SLT Crew Cab 4WD | $65,200 |
| Denali Ultimate Crew Cab 4WD | $94,200 |
| AT4 Crew Cab 4WD | $72,200 |
| Denali Crew Cab 4WD | $75,200 |
GMC Sierra 2500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of GMC Sierra 2500HD prices has changed over time.
See more price trendsGMC Sierra 2500HD Pricing Analysis
Pricing Analysis by Model Year
Key Insights
- Significant New-Car Premium: The 2026 GMC Sierra 2500HD is priced at $82,689, which is approximately 76.5% above its MSRP, indicating strong demand for the latest model.
- Steep Depreciation for Older Models: The 2019 model shows a decline of ~4.0% vs MSRP, while older models like the 2015 have depreciated by ~10.9%, reflecting a consistent depreciation trend as vehicles age.
- Best Value in Recent Years: The 2022 model is priced at $52,329, which is only ~3.8% above MSRP, making it a more attractive option for buyers looking for value.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 GMC Sierra 2500HD | $47,000 | $82,689 | +76.5% |
| 2025 GMC Sierra 2500HD | $46,300 | $74,887 | +61.7% |
| 2024 GMC Sierra 2500HD | $45,400 | $68,411 | +50.6% |
| 2023 GMC Sierra 2500HD | $42,200 | $56,033 | +32.8% |
| 2022 GMC Sierra 2500HD | $36,200 | $52,329 | +44.7% |
| 2021 GMC Sierra 2500HD | $36,200 | $50,541 | +39.6% |
| 2020 GMC Sierra 2500HD | $35,800 | $49,100 | +37.0% |
| 2019 GMC Sierra 2500HD | $38,200 | $39,859 | +4.0% |
| 2018 GMC Sierra 2500HD | $35,000 | $38,832 | +11.0% |
| 2017 GMC Sierra 2500HD | $34,190 | $36,278 | +6.1% |
| 2016 GMC Sierra 2500HD | $33,535 | $32,609 | -2.8% |
| 2015 GMC Sierra 2500HD | $33,195 | $29,567 | -11.0% |
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in Dallas and Houston: The highest average prices are found in Houston, TX ($62,942) and Dallas, TX ($62,598), likely due to higher demand and lower inventory.
- Lowest Prices in New York and Boston: Conversely, New York, NY ($49,962) and Boston, MA ($50,731) offer the most competitive pricing, suggesting a more price-sensitive market or higher inventory levels.
- Inventory Variation: Cities like Chicago (983 listings) and Philadelphia (876 listings) have substantial inventory, which correlates with relatively stable pricing around $55,311 and $56,762, respectively.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Chicago, IL | 983 | $55,311 |
| Philadelphia, PA | 876 | $56,762 |
| Houston, TX | 245 | $62,942 |
| Dallas, TX | 286 | $62,598 |
| Miami, FL | 675 | $59,358 |
| Atlanta, GA | 250 | $62,369 |
| Los Angeles, CA | 617 | $52,398 |
| New York, NY | 814 | $49,962 |
| Washington, DC | 925 | $58,766 |
| Boston, MA | 225 | $50,731 |
These recommendations are based on CarGurus' proprietary market data from July 16, 2026, CarGurus experts' opinions, and generative AI.
CarGurus recommends the 2025 GMC Sierra 2500HD
Summary
With 3,984 currently listed for sale and an average price of $75,065, 33.0% 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.
94.4% of 2025 Sierra 2500HD models on CarGurus are accident free.
The 2025 GMC Sierra 2500HD is equipped with advanced technology and comfort features, including a luxurious interior and a powerful engine lineup, making it a top choice for heavy-duty truck buyers.
Why it stands out
The 2025 GMC Sierra 2500HD is a standout in the heavy-duty truck segment, known for its impressive power and towing capabilities. It offers a refined driving experience with a focus on comfort and luxury, appealing to both work and leisure needs. The truck is equipped with modern technology, including advanced infotainment systems and connectivity features, which enhance its usability. Additionally, the Sierra 2500HD's reputation for reliability and strong performance in demanding tasks makes it a favored choice among truck owners.
Other model years to consider
- Average price: $68,857
- Good/great deal percentage: 33.3%
- User rating: 4 / 5
- Total listings: 4,051
- Average price: $49,344
- Good/great deal percentage: 29.7%
- User rating: 4.86 / 5
- Total listings: 1,130
- Average price: $51,056
- Good/great deal percentage: 30.8%
- User rating: 5 / 5
- Total listings: 1,693
These recommendations are based on CarGurus' proprietary market data from July 20, 2026, CarGurus experts' opinions, and generative AI.
Recent expert test drives
2024 GMC Sierra 2500HD
- Expert review8/10
- MSRP$45,400-$93,200
- Avg. price$67,328
- User rating4
2020 GMC Sierra 2500HD
- Expert review8/10
- MSRP$35,800-$64,500
- Avg. price$48,582
- User rating4.8571
2022 GMC Sierra 2500HD
- Expert review8/10
- MSRP$36,200-$65,700
- Avg. price$51,204
- User rating4.4286
Relevant articles
2026 GMC Sierra 2500HD Pricing, Specs, and Release Date
Aside from a freshened color palette and broader availability of the trick MultiPro Tailgate, the 2026 GMC Sierra 2500HD full-size pickup truck soldiers on as a premium workhorse capable of towing up to 20,000 pounds in luxurious style.
2025 GMC Sierra 2500HD Pricing, Specs, and Release Date
Slotted between the light-duty 1500 and the ultra-tough 3500HD, the 2025 GMC Sierra 2500HD balances immense capability with the comfort and latest amenities expected from today's truck buyers. Upgrades for 2025 include a newly standard trailer brake controller.
Who Makes GMC Cars?
GMC is an American automaker that builds premium trucks and SUVs with capability and comfort as selling points. GMC is a division of General Motors and all of its vehicles share platforms with other GM products. Certain products, like its trucks, are very closely related to Chevrolet products.
