Used 2020 GMC Sierra 2500HD for Sale near Katy, TX
162 results
- 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:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 89,653
- Stock #:
- LF285437T
- VIN:
- 1GT49NE79LF285437


Sponsored by Texan Buick GMC
2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
89,653 mi
$42,220
- Year:
- 2019
- 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:
- Summit White
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Jet Black/Dark Ash
- Transmission:
- 6-Speed Automatic
- Mileage:
- 82,835
- Stock #:
- P3712A
- VIN:
- 1GT12NEG5KF240727

Sponsored Listing
2019 GMC Sierra 2500HD
Base Crew Cab 4WD
82,835 mi
$29,819
- 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
- Transmission:
- Automatic
- Mileage:
- 154,998
- Stock #:
- TLF236822
- VIN:
- 1GT49NEY8LF236822

Sponsored Listing
2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
154,998 mi
$39,991
- 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
$45,866
- 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:
- 51,346
- Stock #:
- MF234286P
- VIN:
- 1GT49ME77MF234286

2021 GMC Sierra 2500HD
SLE Crew Cab 4WD
51,346 mi
$42,426
- 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 Frost Tricoat
- Fuel type:
- Biodiesel
- Interior color:
- Dark Walnut/Dark Ash Gray
- Transmission:
- Automatic
- Mileage:
- 85,720
- Stock #:
- S74100C
- VIN:
- 1GT49REY0MF164944

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
85,720 mi
$56,216
- 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:
- Blue
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black, premium l
- Transmission:
- 6-Speed Automatic
- Mileage:
- 116,049
- Stock #:
- RS11693
- VIN:
- 1GT49REYXLF340767

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
116,049 mi
$46,145
- Year:
- 2019
- 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:
- Summit White
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Jet Black/Dark Ash
- Transmission:
- 6-Speed Automatic
- Mileage:
- 82,835
- Stock #:
- P3712A
- VIN:
- 1GT12NEG5KF240727

2019 GMC Sierra 2500HD
Base Crew Cab 4WD
82,835 mi
$29,819
- 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:
- 117,306
- Stock #:
- 126353
- VIN:
- 1GT12REY1KF126353

2019 GMC Sierra 2500HD
SLT Crew Cab 4WD
117,306 mi
$41,820
- 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
$36,326
- 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:
- Sky
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 81,923
- Stock #:
- P4470
- VIN:
- 1GT49REY2LF283187

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
81,923 mi
$53,627
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Carbon Black Metallic
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 17,488
- Stock #:
- 51934
- VIN:
- 1GT49REY1MF161891

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
17,488 mi
$66,219
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 71,702
- Stock #:
- MX4425
- VIN:
- 1GT49REY8LF116266

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
71,702 mi
$53,038
CarGurus Analysis:
2020 GMC Sierra 2500HD
With 1,149 currently listed for sale and an average price of $49,868.00, 28.4% 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.
74.2% of 2020 Sierra 2500HD models on CarGurus are accident free.
The 2020 GMC Sierra 2500HD offers multiple powerful V8 engines and a luxurious Denali trim, providing a blend of performance and comfort for heavy-duty tasks.
- 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:
- 85,885
- Stock #:
- 182154
- VIN:
- 1GT49REY6MF182154

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
85,885 mi
$55,101
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 117,324
- Stock #:
- 219778
- VIN:
- 1GT49REY0MF219778

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
117,324 mi
$50,012
- 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:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 89,653
- Stock #:
- LF285437T
- VIN:
- 1GT49NE79LF285437

2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
89,653 mi
$42,220
- 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
- Transmission:
- Automatic
- Mileage:
- 154,998
- Stock #:
- TLF236822
- VIN:
- 1GT49NEY8LF236822

2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
154,998 mi
$39,991
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Summit White
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 78,326
- Stock #:
- 51390A
- VIN:
- 1GT49REY5LF234663

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
78,326 mi
$55,217
- 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:
- Couleur Extérieure Blanc Sommet
- Fuel type:
- Biodiesel
- Interior color:
- Denali--Leather, Jet Black, Interior Trim
- Transmission:
- Automatic
- Mileage:
- 60,244
- Stock #:
- AMF239798
- VIN:
- 1GT19REY3MF239798

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
60,244 mi
$59,959
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 75,993
- Stock #:
- MX3403
- VIN:
- 1GT19REY0LF326203

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
75,993 mi
$51,167
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 26,123
- Stock #:
- 11754U
- VIN:
- 1GT18LE77LF169180

2020 GMC Sierra 2500HD
Base Crew Cab RWD
26,123 mi
$37,982
- 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

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
139,541 mi
$45,908
- 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:
- 33,409
- Stock #:
- LF105649
- VIN:
- 1GT49REY2LF105649

Sponsored Listing
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
33,409 mi
$60,117
CarGurus Analysis: 2020 GMC Sierra 2500HD
overall

Summary
With 1,149 currently listed for sale and an average price of $49,868.00, 28.4% 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.
74.2% of 2020 Sierra 2500HD models on CarGurus are accident free.
The 2020 GMC Sierra 2500HD offers multiple powerful V8 engines and a luxurious Denali trim, providing a blend of performance and comfort for heavy-duty tasks.
Why it stands out
The 2020 GMC Sierra 2500HD is a robust heavy-duty truck that stands out due to its powerful engine options and luxury features, particularly in the Denali trim. It is equipped with two strong V8 engines, with the diesel variant offering an impressive 445 horsepower and 910 lb-ft of torque, making it a top choice for towing and hauling. The Denali trim elevates the Sierra 2500HD's luxury appeal with sophisticated interior finishes and top-tier technology. Although some reviewers noted that the interior materials might not match the luxury truck billing, overall comfort and driving experience are highly rated, making this truck appealing to both functional users and those seeking a more upscale driving experience. The available towing assistance technology and multiple bed configurations add to its versatility, meeting the needs of serious work and leisure alike.
Other model years to consider
- Average price: $76,379.00
- Good/great deal percentage: 34.1%
- User rating: 5 / 5
- Total listings: 3,881
- Average price: $70,098.00
- Good/great deal percentage: 34.0%
- User rating: 4 / 5
- Total listings: 4,127
- Average price: $56,627.00
- Good/great deal percentage: 34.3%
- User rating: 4 / 5
- Total listings: 3,544
This analysis is based on CarGurus' proprietary market data from June 8, 2026, CarGurus experts' opinions, and generative AI.
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.
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 LB 4WD | $38,600 |
| Base LB RWD | $35,800 |
| Denali Crew Cab LB 4WD | $64,500 |
| SLE Crew Cab 4WD | $44,400 |
| Base Crew Cab 4WD | $43,000 |
| 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 Chicago: The market in Chicago, IL ($49,461) reflects strong demand, likely due to higher urban utility requirements for trucks.
- Best Value in Houston: Houston, TX ($43,369) presents the lowest average price, indicating either a more price-sensitive market or higher availability of inventory.
- Balanced Inventory Across Cities: Cities like Dallas (164 listings) and Atlanta (169 listings) have a healthy inventory with pricing closely aligned around the regional average—offering shoppers a good selection without drastic price variances.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Chicago, IL | 163 | $49,461 |
| New York, NY | 138 | $49,088 |
| Dallas, TX | 164 | $50,735 |
| Philadelphia, PA | 154 | $50,761 |
| Houston, TX | 157 | $43,369 |
| Miami, FL | 113 | $55,193 |
| Washington, DC | 148 | $47,476 |
| Atlanta, GA | 169 | $48,952 |
| Los Angeles, CA | 104 | $48,327 |
| Boston, MA | 143 | $44,575 |
Pricing Analysis by Model Year
Key Insights
- Significant Price Premium on Newer Models: The 2026 GMC Sierra 2500HD sees a current average price of $85,450, representing a +81.4% increase from its original MSRP, indicating strong market demand for newer models.
- Recent Models Experience Less Depreciation: The 2022 and 2021 model years display lesser depreciation, averaging -8.0% and -9.2% vs MSRP, making them attractive options for buyers concerned about value retention.
- Steady Depreciation Trend: Older models such as the 2014 GMC Sierra 2500HD have dropped to an average price of $24,916, showing a significant depreciation trend as vehicles age.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 GMC Sierra 2500HD | $47,000 | $85,450 | +81.4% |
| 2025 GMC Sierra 2500HD | $46,300 | $76,249 | +64.6% |
| 2024 GMC Sierra 2500HD | $45,400 | $69,293 | +52.7% |
| 2023 GMC Sierra 2500HD | $42,200 | $56,153 | +33.1% |
| 2022 GMC Sierra 2500HD | $36,200 | $52,644 | +45.4% |
| 2021 GMC Sierra 2500HD | $36,200 | $51,043 | +40.9% |
| 2019 GMC Sierra 2500HD | $38,200 | $40,489 | +6.0% |
| 2018 GMC Sierra 2500HD | $35,000 | $38,548 | +10.8% |
| 2017 GMC Sierra 2500HD | $34,190 | $36,481 | +6.7% |
| 2016 GMC Sierra 2500HD | $33,535 | $32,917 | -1.8% |
| 2015 GMC Sierra 2500HD | $33,195 | $29,812 | -10.3% |
| 2014 GMC Sierra 2500HD | $31,310 | $24,916 | -20.5% |
These recommendations are based on CarGurus' proprietary market data from June 11, 2026, CarGurus experts' opinions, and generative AI.