Used 2020 GMC Sierra 2500HD for Sale near Alabama
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- Automatic
- Mileage:
- 77,703
- Stock #:
- 149999
- VIN:
- 1GT49REY7LF149999
Sponsored by CRM Motors Pelham
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
77,703 mi
$57,395
- 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 Listing
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
73,448 mi
$60,311
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 65,252
- Stock #:
- P15137
- VIN:
- 1GT49REY4MF135074
Sponsored Listing
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
65,252 mi
$56,499
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 65,252
- Stock #:
- P15137
- VIN:
- 1GT49REY4MF135074
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
65,252 mi
$56,499
- 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
$46,195
- 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:
- 28,290
- Stock #:
- 2GT3250
- VIN:
- 1GT49REY9LF253250
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
28,290 mi
$59,776
- 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:
- 139,541
- Stock #:
- 15463
- VIN:
- 1GT49REY8LF155813
-$3,119
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
139,541 mi
$45,276
$42,157
- 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
$56,472
- 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
$47,749
- 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 With Kalahari Accents
- Transmission:
- 6-Speed Automatic
- Mileage:
- 76,196
- Stock #:
- P226439X
- VIN:
- 1GT49PE78MF226439
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
76,196 mi
$48,671
- 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
- Transmission:
- Automatic
- Mileage:
- 71,606
- Stock #:
- ZC26152
- VIN:
- 1GT19PEY1MF273761
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
71,606 mi
$51,082
- 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
- Fuel type:
- Biodiesel
- Interior color:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 113,803
- Stock #:
- 4767
- VIN:
- 1GT49REY1LF166989
-$1,000
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
113,803 mi
$46,663
$45,663
- 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:
- 116,574
- Stock #:
- DN130644
- VIN:
- 1GT49PEYXMF130644
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
116,574 mi
$48,621
CarGurus Analysis:
2020 GMC Sierra 2500HD
With 1,150 currently listed for sale and an average price of $49,661.00, 31.4% 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.
74.2% of 2020 Sierra 2500HD models on CarGurus are accident free.
The 2020 GMC Sierra 2500HD offers multiple powertrain options, a spacious interior, and advanced towing capabilities, making it a strong contender in the heavy-duty truck segment.
- 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:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 103,111
- Stock #:
- 2673766667
- VIN:
- 1GT49LE75LF165445
2020 GMC Sierra 2500HD
Base Crew Cab 4WD
103,111 mi
$29,794
- 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:
- Automatic
- Mileage:
- 97,492
- Stock #:
- 281171
- VIN:
- 1GT49REYXLF281171
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
97,492 mi
$52,205
- 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:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 66,462
- Stock #:
- 27740238
- VIN:
- 1GT49PE79LF303754
2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
66,462 mi
$49,997
- 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:
- Automatic
- Mileage:
- 77,703
- Stock #:
- 149999
- VIN:
- 1GT49REY7LF149999
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
77,703 mi
$57,395
- Year:
- 2020
- 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:
- Automatic
- Mileage:
- 133,584
- Stock #:
- 229050
- VIN:
- 1GT49REY2LF229050
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
133,584 mi
$45,248
- 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
$48,104
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 65,842
- Stock #:
- 18174094
- VIN:
- 1GT49REY7MF174094
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
65,842 mi
$56,994
- 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:
- 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
2021 GMC Sierra 2500HD
SLE Crew Cab 4WD
97,493 mi
$35,520
- 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 1,150 currently listed for sale and an average price of $49,661.00, 31.4% 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.
74.2% of 2020 Sierra 2500HD models on CarGurus are accident free.
The 2020 GMC Sierra 2500HD offers multiple powertrain options, a spacious interior, and advanced towing capabilities, making it a strong contender in the heavy-duty truck segment.
Why it stands out
The 2020 GMC Sierra 2500HD distinguishes itself with its robust performance and luxury features, particularly in the Denali trim, which is designed to offer a premium experience. With a choice of powerful V8 engines, including a diesel option that delivers an impressive 445 horsepower and 910 lb-ft of torque, this truck is built for serious towing and hauling tasks. The Denali trim adds upscale touches such as a full leather interior, advanced technology, and a host of safety features, although some users have noted that the interior materials could feel less luxurious compared to competitors. The Sierra 2500HD also boasts a variety of configurations and a user-friendly infotainment system, making it versatile for both work and leisure. Overall, it appeals to buyers looking for a capable truck that doesn't compromise on comfort and technology.
Other model years to consider
- Average price: $75,282.00
- Good/great deal percentage: 37.0%
- User rating: 5 / 5
- Total listings: 3,987
- Average price: $69,063.00
- Good/great deal percentage: 36.9%
- User rating: 4 / 5
- Total listings: 4,072
- Average price: $82,322.00
- Good/great deal percentage: 37.5%
- User rating: 5 / 5
- Total listings: 1,788
This analysis is based on CarGurus' proprietary market data from July 13, 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 |
|---|---|
| SLE Double Cab 4WD | $42,600 |
| Base LB 4WD | $38,600 |
| Base Double Cab 4WD | $41,200 |
| 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: The New York, NY market commands the highest average price at $52,855, likely due to higher demand and limited inventory.
- Lowest Prices in 2014 Sierra: The Washington, DC area offers the lowest average price at $46,011, indicating a more price-sensitive market or higher inventory turnover.
- Inventory Variation: Cities like Chicago (174 listings) and Philadelphia (175 listings) have substantial inventory, which may contribute to more stable pricing around the regional average.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| New York, NY | 156 | $52,855 |
| Chicago, IL | 174 | $52,659 |
| Houston, TX | 152 | $50,656 |
| Philadelphia, PA | 175 | $47,272 |
| Los Angeles, CA | 106 | $47,245 |
| Dallas, TX | 163 | $48,377 |
| Miami, FL | 125 | $50,844 |
| Atlanta, GA | 171 | $50,258 |
| Boston, MA | 140 | $49,237 |
| Washington, DC | 167 | $46,011 |
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.
- Depreciation Trends: The 2014 model shows the steepest depreciation, with an average price of $23,987, reflecting a decline of -23.5% from its original MSRP.
- Best Value Years: The 2022 and 2023 models present a balance of recent features and lower depreciation, priced at $52,329 and $56,033, respectively, with depreciation rates of -0.8% and -1.4%.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $47,000 | $82,689 | +76.5% |
| 2025 | $46,300 | $74,887 | +61.8% |
| 2024 | $45,400 | $68,411 | +50.6% |
| 2023 | $42,200 | $56,033 | +32.8% |
| 2022 | $36,200 | $52,329 | +44.6% |
| 2021 | $36,200 | $50,541 | +39.5% |
| 2019 | $38,200 | $39,859 | +4.3% |
| 2018 | $35,000 | $38,832 | +11.1% |
| 2017 | $34,190 | $36,278 | +6.1% |
| 2016 | $33,535 | $32,609 | -2.8% |
| 2015 | $33,195 | $29,567 | -11.1% |
| 2014 | $31,310 | $23,987 | -23.5% |
These recommendations are based on CarGurus' proprietary market data from July 16, 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.
