Used 2020 GMC Sierra 2500HD for Sale near Alabama
178 vehicles found
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- 73,448
- Stock #:
- 69541A
- VIN:
- 1GT49REY1MF295980


Sponsored by Bill Smith Buick GMC
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
73,448 mi
$60,611
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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 With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 98,385
- Stock #:
- HP23199A
- VIN:
- 1GT49PEY0MF309551

Sponsored Listing
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
98,385 mi
$49,858
- 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:
- Automatic
- Mileage:
- 119,978
- Stock #:
- TKF247005
- VIN:
- 1GT12SEY3KF247005

-$1,690
Sponsored Listing
2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
119,978 mi
$41,376
$39,686
- 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:
- Black
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 102,778
- Stock #:
- 141014
- VIN:
- 1GT49PEY1LF141014

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
102,778 mi
$46,598
- 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
$45,708
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- White
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 32,311
- Stock #:
- 28445220
- VIN:
- 1GT49REY5MF219792

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
32,311 mi
$60,147
- 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 94,334
- Stock #:
- 168489C01
- VIN:
- 1GT49ME78MF168489

2021 GMC Sierra 2500HD
SLE Crew Cab 4WD
94,334 mi
$37,070
- 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:
- Brown (Tan)
- Transmission:
- Automatic
- Mileage:
- 77,350
- Stock #:
- 34321A
- VIN:
- 1GT12SEY6KF229338

2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
77,350 mi
$46,100
- 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:
- Automatic
- Mileage:
- 119,978
- Stock #:
- TKF247005
- VIN:
- 1GT12SEY3KF247005

-$1,690
2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
119,978 mi
$41,376
$39,686
- 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:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- 6-Speed Automatic
- Mileage:
- 94,920
- Stock #:
- P300452
- VIN:
- 1GT49PE79MF140427

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
94,920 mi
$45,397
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Cayenne Red Tintcoat
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 82,345
- Stock #:
- 155932_1
- VIN:
- 1GT49PEY8MF155932

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
82,345 mi
$53,944
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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 With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 98,385
- Stock #:
- HP23199A
- VIN:
- 1GT49PEY0MF309551

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
98,385 mi
$49,858
- 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:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 49,029
- Stock #:
- PLF301688
- VIN:
- 1GT49REY6LF301688

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
49,029 mi
$55,948
CarGurus Analysis:
2020 GMC Sierra 2500HD
With 1,209 currently listed for sale and an average price of $49,857.00, 31.6% of 2020 GMC Sierra 2500HDs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 2500HD 4.86 / 5 stars.
75.4% of 2020 Sierra 2500HD models on CarGurus are accident free.
The 2020 GMC Sierra 2500HD features multiple powertrain options, ample cargo space, and advanced towing capabilities, making it a standout in the heavy-duty truck market.
- Year:
- 2019
- 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 Overdrive
- Mileage:
- 163,039
- Stock #:
- 164740
- VIN:
- 1GT12NEYXKF164740

2019 GMC Sierra 2500HD
Base Crew Cab 4WD
163,039 mi
$24,203
- Year:
- 2021
- 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:
- 115,703
- Stock #:
- MX3785
- VIN:
- 1GT49REY0MF271489

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
115,703 mi
$46,633
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 144,072
- Stock #:
- IC36
- VIN:
- 1GT49NE76LF183917

2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
144,072 mi
$31,788
- 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 86,304
- Stock #:
- 10422P
- VIN:
- 1GT49LE73MF277422

-$901
2021 GMC Sierra 2500HD
Base Crew Cab 4WD
86,304 mi
$34,044
$33,143
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black W/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 114,530
- Stock #:
- TF307486
- VIN:
- 1GT49PEY5MF307486

-$4,000
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
114,530 mi
$50,694
$46,694
- 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:
- White Frost Tricoat
- Fuel type:
- Biodiesel
- Interior color:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 47,029
- Stock #:
- 22730
- VIN:
- 1GT49REY7LF339477

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
47,029 mi
$55,480
- 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:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 91,787
- Stock #:
- LT0919
- VIN:
- 1GT49REY1LF230660

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
91,787 mi
$51,095
- 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 6-Speed Automatic
- Mileage:
- 57,123
- Stock #:
- 154291M
- VIN:
- 1GT49NE7XLF154291

2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
57,123 mi
$45,967
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Black
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,653
- Stock #:
- 2026-430
- VIN:
- 1GT49REY7MF305766

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
45,653 mi
$59,598
- 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
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 183,383
- Stock #:
- 107660
- VIN:
- 1GT49NEYXLF107660

Sponsored Listing
2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
183,383 mi
$38,498
CarGurus Analysis: 2020 GMC Sierra 2500HD
overall

Summary
With 1,209 currently listed for sale and an average price of $49,857.00, 31.6% of 2020 GMC Sierra 2500HDs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 2500HD 4.86 / 5 stars.
75.4% of 2020 Sierra 2500HD models on CarGurus are accident free.
The 2020 GMC Sierra 2500HD features multiple powertrain options, ample cargo space, and advanced towing capabilities, making it a standout in the heavy-duty truck market.
Why it stands out
The 2020 GMC Sierra 2500HD excels in the heavy-duty truck category with its robust performance and luxurious Denali trim that caters to buyers needing both capability and comfort. This model stands out for its powerful engine options, including a gas V8 generating 401 horsepower and a diesel V8 producing an impressive 445 hp and 910 lb-ft of torque. Additionally, the Sierra 2500HD offers innovative features such as the MultiPro tailgate and a spacious, well-designed cabin equipped with modern technology, making it suitable for both work and leisure. While it boasts commendable towing capabilities, with a maximum towing capacity of 18,510 pounds, some owners have noted that the pricing can be high for the features offered, indicating a preference for newer options. Despite this, the Sierra 2500HD remains a favorite for those needing a reliable and capable truck.
Other model years to consider
- Average price: $75,460.00
- Good/great deal percentage: 35.5%
- User rating: 5 / 5
- Total listings: 3,954
- Average price: $69,505.00
- Good/great deal percentage: 35.3%
- User rating: 4 / 5
- Total listings: 4,100
- Average price: $51,060.00
- Good/great deal percentage: 32.0%
- User rating: 5 / 5
- Total listings: 1,759
This analysis is based on CarGurus' proprietary market data from June 29, 2026, CarGurus experts' opinions, and generative AI.
4.9 Overall rating
Filter by rating
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!
David Z
Reviewed a 2020 GMC AT4 Crew Cab 4WD on Nov 19, 2025
Looks great but a little pricey for the year. Even though it has low mileage. I would buy a newer truck.
David S
Reviewed a 2020 GMC Sierra 2500HD on Dec 28, 2023
The GMC 2500 HD is the truck for me. Like all the other major brands of trucks the price is in the same range. The diesel engine and 4x4 is about good as it gets. For work or play GMC is the way!!
William A
Reviewed a 2020 GMC Sierra 2500HD on Oct 10, 2021
One of the finest tow vehicles available. Comfort, tow capacity, reliability and just all around great looking. Can’t go wrong.
2020 GMC Sierra 2500HD Trims
| Trim type | MSRP |
|---|---|
| Base Double Cab 4WD | $41,200 |
| Base LB 4WD | $38,600 |
| SLE Double Cab 4WD | $42,600 |
| Base Crew Cab 4WD | $43,000 |
| SLE Crew Cab 4WD | $44,400 |
| SLT Crew Cab 4WD | $55,600 |
| AT4 Crew Cab 4WD | $58,300 |
| Denali Crew Cab 4WD | $64,300 |
2020 GMC Sierra 2500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2020 GMC Sierra 2500HD prices has changed over time.
See more price trends2020 GMC Sierra 2500HD Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in New York: New York City commands the highest average price at $55,569, reflecting a strong demand and possibly limited inventory in urban markets.
- Best Value in Chicago: The average price in Chicago is significantly lower at $39,288, indicating a market with higher supply or price sensitivity.
- Consistent Pricing Across Major Markets: The average prices across cities like Los Angeles ($52,116) and Dallas ($50,280) show a moderate range, suggesting relatively stable demand among these urban centers.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| New York, NY | 164 | $55,569 |
| Miami, FL | 129 | $54,993 |
| Los Angeles, CA | 111 | $52,116 |
| Dallas, TX | 172 | $50,280 |
| Atlanta, GA | 176 | $49,595 |
| Washington, DC | 171 | $45,570 |
| Philadelphia, PA | 178 | $47,496 |
| Houston, TX | 166 | $43,379 |
| Boston, MA | 155 | $44,054 |
| Chicago, IL | 176 | $39,288 |
Pricing Analysis by Model Year
Key Insights
- High New-Car Pricing: The 2026 GMC Sierra 2500HD shows a significant average price of $84,366, indicating strong demand and possibly low availability in the newest model year.
- Depreciation Trend Established: The average prices for models older than 2022 demonstrate substantial depreciation, particularly notable in the 2014 model, priced at $24,774, which reflects a significant ~20.5% drop from its original MSRP.
- Moderate Value in Recent Models: The 2023 and 2024 models maintain closer average prices to MSRP, with the 2023 model at $55,819 indicating just over 31.5% depreciation, while 2024 models maintain a higher value at ~24.9% depreciation.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $47,000 | $84,366 | +79.7% |
| 2025 | $46,300 | $75,661 | +63.5% |
| 2024 | $45,400 | $68,944 | +51.6% |
| 2023 | $42,200 | $55,819 | +32.3% |
| 2022 | $36,200 | $52,360 | +44.7% |
| 2021 | $36,200 | $50,635 | +39.9% |
| 2019 | $38,200 | $40,236 | +5.4% |
| 2018 | $35,000 | $38,792 | +10.8% |
| 2017 | $34,190 | $36,263 | +6.1% |
| 2016 | $33,535 | $32,398 | -3.4% |
| 2015 | $33,195 | $29,837 | -10.1% |
| 2014 | $31,310 | $24,774 | -20.5% |
These recommendations are based on CarGurus' proprietary market data from June 25, 2026, CarGurus experts' opinions, and generative AI.
FAQs
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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.