Used 2020 GMC Sierra 2500HD for Sale nearMobile, AL
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:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 129,209
- Stock #:
- LG35697T
- VIN:
- 1GT49REY9LF135697
Sponsored by Walt Massey Chevrolet GMC Lucedale
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
129,209 mi
$48,878
- 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:
- 86,773
- Stock #:
- T26109A
- VIN:
- 1GT49PEY4MF205578
Sponsored Listing
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
86,773 mi
$55,398
- 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:
- White
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 139,385
- Stock #:
- 71947
- VIN:
- 1GT49REY8MF300267
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
139,385 mi
$47,299
- 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:
- 228,243
- Stock #:
- 260830A
- VIN:
- 1GT49REY8LF263378
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
228,243 mi
$33,130
- 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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Brown
- Transmission:
- 6-Speed Automatic
- Mileage:
- 195,162
- Stock #:
- 157778
- VIN:
- 1GT49REY7MF157778
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
195,162 mi
$38,189
- 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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Brown
- Transmission:
- 6-Speed Automatic
- Mileage:
- 158,583
- Stock #:
- 271645
- VIN:
- 1GT49REYXMF271645
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
158,583 mi
$44,189
- 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:
- Brown
- Transmission:
- Automatic
- Mileage:
- 139,869
- Stock #:
- 15871
- VIN:
- 1GT49REY1LF226771
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
139,869 mi
$45,899
- 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:
- 129,761
- Stock #:
- 103969
- VIN:
- 1GT49REYXLF103969
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
129,761 mi
$50,700
- 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:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 129,209
- Stock #:
- LG35697T
- VIN:
- 1GT49REY9LF135697
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
129,209 mi
$48,878
- 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 #:
- 11317
- VIN:
- 1GT49LE73MF277422
2021 GMC Sierra 2500HD
Base Crew Cab 4WD
86,304 mi
$36,418
- 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:
- 122,840
- Stock #:
- 36875686578
- VIN:
- 1GT49RE7XLF316007
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
122,840 mi
$40,884
- 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:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 98,518
- Stock #:
- 26714D
- VIN:
- 1GT49REY4MF180841
-$3,000
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
98,518 mi
$55,989
$52,989
- 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 With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 85,827
- Stock #:
- PMF264725
- VIN:
- 1GT49PEY0MF264725
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
85,827 mi
$52,192
CarGurus Analysis:
2020 GMC Sierra 2500HD
With 123 currently listed for sale near Mobile, AL and an average price of $48,453.00, 28.5% of 2020 GMC Sierras 2500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 2500HD 4.86 / 5 stars and CarGurus experts gave it an 8.17 / 10.
72.4% of 2020 Sierra 2500HD models on CarGurus are accident free.
- 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:
- Cardinal Red
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 6-Speed Automatic
- Mileage:
- 63,176
- Stock #:
- 229321A
- VIN:
- 1GT49ME72MF229321
2021 GMC Sierra 2500HD
SLE Crew Cab 4WD
63,176 mi
$42,123
- 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:
- 6-Speed Automatic
- Mileage:
- 94,579
- Stock #:
- 79347
- VIN:
- 1GT49REY9MF279347
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
94,579 mi
$53,246
- 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:
- [GPA] Dark Slate Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 148,355
- Stock #:
- 26399
- VIN:
- 1GT12SEY0KF186745
![[GPA] Dark Slate Metallic 2019 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive 6-Speed Automatic](https://static.cargurus.com/images/forsale/2026/08/04/13/56/2019_gmc_sierra_2500hd-pic-3589556391710256033-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
148,355 mi
$42,500
- 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:
- Gray (Dark Sky Metallic)
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 98,545
- Stock #:
- 281969
- VIN:
- 1GT49REY0LF281969
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
98,545 mi
$48,834
- 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
$50,335
- 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
$60,083
- 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 with Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 175,681
- Stock #:
- 184762
- VIN:
- 1GT49PEY2LF184762
2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
175,681 mi
$40,984
- 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:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 111,828
- Stock #:
- T0306
- VIN:
- 1GT49NE79LF113943
2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
111,828 mi
$36,433
- 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
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
113,803 mi
$45,871
- 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:
- 109,957
- VIN:
- 1GT12SEY7KF114733
2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
109,957 mi
$43,696
CarGurus Analysis: 2020 GMC Sierra 2500HD
overall
Summary
With 123 currently listed for sale near Mobile, AL and an average price of $48,453.00, 28.5% of 2020 GMC Sierras 2500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 2500HD 4.86 / 5 stars and CarGurus experts gave it an 8.17 / 10.
72.4% of 2020 Sierra 2500HD models on CarGurus are accident free.
Why it stands out
The 2020 GMC Sierra 2500HD stands out as a heavy-duty truck with a luxury-leaning Denali identity. It is described as one of the most expensive trucks on the U.S. market, and also as one of the most capable and upscale trucks offered by General Motors. That combination gives it broad appeal for buyers who want serious truck ability without giving up a more premium feel, and the available features help reinforce that mission.
At the same time, the 2020 GMC Sierra 2500HD is not presented as a perfect luxury experience. The test-drive data says it drives great and is loaded with features, but its fit and finish do not live up to “luxury truck” billing. It is also called out for poor value for money and interior materials that feel cheap. Even so, the truck’s multiple powertrain options and plenty of cargo space make it a compelling choice for shoppers who prioritize capability and utility, and owner feedback echoes praise for its performance, comfort, towing capabilities, and power.
Other model years to consider
- Average price: $67,343.00
- Good/great deal percentage: 28.0%
- User rating: 5 / 5
- Total listings: 457
- Average price: $60,780.00
- Good/great deal percentage: 33.0%
- User rating: 5 / 5
- Total listings: 194
- Average price: $69,503.00
- Good/great deal percentage: 30.1%
- User rating: 4.2 / 5
- Total listings: 418
This analysis is based on CarGurus' proprietary market data from August 11, 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 |
|---|---|
| Denali Crew Cab LB 4WD | $64,500 |
| SLE Double Cab 4WD | $42,600 |
| 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: Mobile, AL Market Report
Pricing by Nearby Locations
Market Area: Mobile, AL
Key Insights
- Highest Prices in Fort Walton Beach: The average price in Fort Walton Beach, FL ($54,490) is the highest among nearby cities, likely due to demand for heavy-duty trucks in that area.
- Lowest Price in Biloxi: Biloxi, MS ($48,853) offers the lowest average price, suggesting a more price-sensitive market or higher inventory turnover.
- Stable Pricing Across Markets: Cities like Pensacola and Slidell both show average prices of $54,490, indicating consistent demand and pricing for the GMC Sierra 2500HD in the region.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Fort Walton Beach, FL | 136 | $54,490 |
| Pensacola, FL | 134 | $54,490 |
| Slidell, LA | 138 | $49,248 |
| New Orleans, LA | 137 | $49,248 |
| Biloxi, MS | 132 | $48,853 |
Pricing Analysis by Model Year
Key Insights
- Significant New-Car Premium: The 2026 GMC Sierra 2500HD is priced at $79,527, which is approximately 68.5% above its MSRP, indicating strong demand for the latest model.
- Depreciation Trends: The 2017 model shows a notable depreciation of ~19.5% compared to its original MSRP, while older models like the 2015 and 2014 have even steeper declines, reflecting typical market behavior for heavy-duty trucks.
- Best Value in Recent Models: The 2022 model is priced at $37,399, only ~3.9% above MSRP, making it a compelling option for buyers looking for a balance of price and features.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 GMC Sierra 2500HD | $47,000 | $79,527 | +68.5% |
| 2025 GMC Sierra 2500HD | $46,300 | $67,470 | +45.6% |
| 2024 GMC Sierra 2500HD | $45,400 | $70,408 | +55.2% |
| 2022 GMC Sierra 2500HD | $36,200 | $37,399 | +3.9% |
| 2021 GMC Sierra 2500HD | $36,200 | $53,234 | +47.1% |
| 2017 GMC Sierra 2500HD | $34,190 | $27,533 | -19.5% |
| 2015 GMC Sierra 2500HD | $33,195 | $23,748 | -28.5% |
| 2014 GMC Sierra 2500HD | $31,310 | $22,995 | -26.5% |
These recommendations are based on CarGurus' proprietary market data from August 6, 2026, CarGurus experts' opinions, and generative AI.
FAQs
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