Used 2021 GMC Sierra 3500HD for Sale nearWashington, DC
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 96,440
- Stock #:
- N1R0024
- VIN:
- 1GT49WEY7MF300940
Sponsored Listing
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
96,440 mi
$50,500
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 100,129
- Stock #:
- TG114740C
- VIN:
- 1GT49WEY4LF178584
Sponsored Listing
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
100,129 mi
$49,578
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Silver
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 57,317
- Stock #:
- 00KB1741
- VIN:
- 1GT49WEY3MF173121
-$1,796
Sponsored Listing
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
57,317 mi
$61,794
$59,998
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 42,332
- Stock #:
- K222157D
- VIN:
- 1GT49SE75NF222157
-$1,500
2022 GMC Sierra 3500HD
Pro Crew Cab 4WD
42,332 mi
$45,500
$44,000
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Carbon Black Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 117,092
- Stock #:
- 509569
- VIN:
- 1GT49WEY1LF347038
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
117,092 mi
$46,797
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- [GAZ] Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 21,400
- Stock #:
- 26244
- VIN:
- 1GT49SE72MF237360
![[GAZ] Summit White 2021 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/06/16/16/56/2021_gmc_sierra_3500hd-pic-5017205576063805583-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2021 GMC Sierra 3500HD
SLE Crew Cab 4WD
21,400 mi
$42,500
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 58,614
- Stock #:
- 5062
- VIN:
- 1GT49WEY4NF351068
2022 GMC Sierra 3500HD
Denali Crew Cab 4WD
58,614 mi
$57,341
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 96,687
- Stock #:
- C260177Y
- VIN:
- 1GT49WEY8LF346663
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
96,687 mi
$48,262
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Silver
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 57,317
- Stock #:
- 00KB1741
- VIN:
- 1GT49WEY3MF173121
-$1,796
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
57,317 mi
$61,794
$59,998
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Red
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 141,542
- Stock #:
- 323378
- VIN:
- 1GT49WEY4LF323378
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
141,542 mi
$44,150
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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
- Transmission:
- Automatic
- Mileage:
- 28,133
- Stock #:
- 14513P
- VIN:
- 1GT49WEY3NF115446
-$1,500
2022 GMC Sierra 3500HD
Denali Crew Cab 4WD
28,133 mi
$67,499
$65,999
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 100,129
- Stock #:
- TG114740C
- VIN:
- 1GT49WEY4LF178584
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
100,129 mi
$49,578
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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 Kalah
- Transmission:
- Automatic
- Mileage:
- 32,335
- Stock #:
- b261942
- VIN:
- 1GT49VEY9MF261942
2021 GMC Sierra 3500HD
AT4 Crew Cab 4WD
32,335 mi
$57,291
CarGurus Analysis:
2021 GMC Sierra 3500HD
With 86 currently listed for sale near Washington, DC and an average price of $57,362.00, 19.8% of 2021 GMC Sierras 3500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Sierra 3500HD 5 / 5 stars.
81.4% of 2021 Sierra 3500HD models on CarGurus are accident free.
The 2021 GMC Sierra 3500HD features impressive towing capabilities, luxurious higher trim levels, and smart tech features for towing and off-roading.
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 134,926
- Stock #:
- ZC26070
- VIN:
- 1GT49WEY5MF205616
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
134,926 mi
$45,945
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 39,960
- Stock #:
- 12896
- VIN:
- 1GT49WE72LF273569
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
39,960 mi
$56,915
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 148,772
- Stock #:
- 55306
- VIN:
- 1GT49WEY8LF142638
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
148,772 mi
$44,046
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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
- Transmission:
- Automatic
- Mileage:
- 81,605
- Stock #:
- T288989
- VIN:
- 1GT49WEY8MF288989
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
81,605 mi
$56,545
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 139,693
- Stock #:
- 14890
- VIN:
- 1GT49WE7XMF220832
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
139,693 mi
$40,955
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 120,769
- Stock #:
- 10113X
- VIN:
- 1GT49WEYXMF229829
2021 GMC Sierra 3500HD
Denali Crew Cab LB 4WD
120,769 mi
$45,623
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 38,865
- Stock #:
- MX4641
- VIN:
- 1GT49VEYXNF206269
2022 GMC Sierra 3500HD
AT4 Crew Cab 4WD
38,865 mi
$56,682
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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
- Transmission:
- Automatic
- Mileage:
- 40,501
- Stock #:
- 65922A
- VIN:
- 1GT49VEY4NF252499
2022 GMC Sierra 3500HD
AT4 Crew Cab 4WD
40,501 mi
$59,988
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 48,311
- Stock #:
- STK227802
- VIN:
- 1GT49WE73MF227802
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
48,311 mi
$53,994
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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
- Transmission:
- Automatic
- Mileage:
- 28,133
- Stock #:
- 14513P
- VIN:
- 1GT49WEY3NF115446
-$1,500
Sponsored Listing
2022 GMC Sierra 3500HD
Denali Crew Cab 4WD
28,133 mi
$67,499
$65,999
CarGurus Analysis: 2021 GMC Sierra 3500HD
Summary
With 86 currently listed for sale near Washington, DC and an average price of $57,362.00, 19.8% of 2021 GMC Sierras 3500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Sierra 3500HD 5 / 5 stars.
81.4% of 2021 Sierra 3500HD models on CarGurus are accident free.
The 2021 GMC Sierra 3500HD features impressive towing capabilities, luxurious higher trim levels, and smart tech features for towing and off-roading.
Why it stands out
The 2021 GMC Sierra 3500HD is a standout in the heavy-duty truck segment, known for its impressive hauling and towing capabilities, which can reach up to 35,500 pounds when properly equipped. This model combines rugged performance with a touch of luxury, especially in its higher trim levels like the Denali, which offers premium materials and advanced technology. The Sierra 3500HD is designed for both work and comfort, making it appealing to buyers who need a reliable workhorse without sacrificing refinement. Additionally, the introduction of features such as the MultiPro tailgate enhances its versatility, while the available Duramax turbodiesel engine provides exceptional torque for heavy-duty tasks. Despite its strengths, potential buyers should be aware that the top trims can be quite expensive, and parking in tight spaces may be challenging due to its size.
Other model years to consider
- Average price: $75,782.00
- Good/great deal percentage: 18.5%
- User rating: 5 / 5
- Total listings: 162
- Average price: $75,730.00
- Good/great deal percentage: 14.7%
- User rating: 5 / 5
- Total listings: 163
- Average price: $48,997.00
- Good/great deal percentage: 16.9%
- User rating: 5 / 5
- Total listings: 71
This analysis is based on CarGurus' proprietary market data from July 14, 2026, CarGurus experts' opinions, and generative AI.
5.0 Overall rating
Filter by rating
John P
Reviewed a 2021 GMC Sierra 3500HD on Nov 3, 2023
This truck is incredible and very comfortable for even daily use.
Anonymous
Reviewed a 2021 GMC Sierra 3500HD on Jun 5, 2021
This truck was what was needed to pull our 42’ 5th wheel safely. It has the comfort of a nice ride and the power to pull and the and the strength to haul what I need.
Joe H
Reviewed a 2021 GMC Sierra 3500HD on Feb 8, 2021
The Black Diamond Edition is one of the most popular trucks out there. There has been only 2 in our area and both sold before they arrived at the lot.
2021 GMC Sierra 3500HD Trims
| Trim type | MSRP |
|---|---|
| Denali Crew Cab LB DRW 4WD | $68,100 |
| Crew Cab LB 4WD | $44,800 |
| Double Cab LB 4WD | $40,200 |
| Crew Cab 4WD | $44,600 |
| SLE Crew Cab 4WD | $49,400 |
| SLT Crew Cab 4WD | $57,400 |
| AT4 Crew Cab 4WD | $60,300 |
| Denali Crew Cab 4WD | $66,700 |
2021 GMC Sierra 3500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 GMC Sierra 3500HD prices has changed over time.
See more price trends2021 GMC Sierra 3500HD Pricing Analysis: Washington, DC Market Report
Pricing by Nearby Locations
Market Area: Washington, DC
Key Insights
- Highest Prices in Hanover, PA: The average price in Hanover, PA ($58,770) is the highest among nearby cities, indicating strong demand or limited supply in that area.
- Lowest Prices in Manassas, VA: Conversely, Manassas, VA ($54,150) offers the lowest average price, suggesting a more competitive market or higher inventory levels.
- Price Stability Across Listings: Cities like Fredericksburg, VA (76 listings) and Hagerstown, MD (79 listings) show similar pricing around $55,000, indicating stable market conditions.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Hanover, PA | 80 | $58,770 |
| Baltimore, MD | 82 | $56,780 |
| Fredericksburg, VA | 76 | $55,500 |
| Hagerstown, MD | 79 | $53,995 |
| Winchester, VA | 78 | $53,995 |
| Newark, DE | 81 | $55,145 |
| Lancaster, PA | 80 | $55,145 |
| Dover, DE | 79 | $58,770 |
| Manassas, VA | 76 | $54,150 |
Pricing Analysis by Model Year
Key Insights
- Significant New-Car Premium: The 2026 GMC Sierra 3500HD is priced at $87,577, which is approximately 82.5% above its MSRP, indicating strong demand for the latest model.
- Depreciation Trends: The 2022 model shows a current average price of $53,167, reflecting a depreciation of about 28.0% from its original MSRP, which is typical for vehicles in this segment.
- Older Models Holding Value: The 2016 model has a current average price of $48,995, which is only 41.0% below its original MSRP, suggesting that older models retain value better than expected.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $48,200 | $87,577 | +82.5% |
| 2025 | $47,500 | $75,730 | +59.5% |
| 2024 | $46,600 | $75,782 | +62.5% |
| 2023 | $43,400 | $64,885 | +49.4% |
| 2022 | $41,400 | $53,167 | -28.0% |
| 2020 | $37,000 | $48,779 | +31.9% |
| 2016 | $34,635 | $48,995 | -41.0% |
These recommendations are based on CarGurus' proprietary market data from July 16, 2026, CarGurus experts' opinions, and generative AI.
FAQs
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