Used 2020 GMC Sierra 3500HD for Sale nearWashington, DC
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- 41,703
- Stock #:
- GP3041
- VIN:
- 1GT49WEY9LF133012
Sponsored by Lindsay Buick GMC
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
41,703 mi
$60,794
- 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
Sponsored Listing
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
117,092 mi
$44,797
- Year:
- 2019
- 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
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 41,734
- Stock #:
- Q3216Z
- VIN:
- 1GT42WEY1KF146047
2019 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
41,734 mi
$54,498
- 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
$44,797
- 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:
- 41,703
- Stock #:
- GP3041
- VIN:
- 1GT49WEY9LF133012
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
41,703 mi
$60,794
- 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:
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 59,981
- Stock #:
- 22778
- VIN:
- 1GT49WEY2MF273923
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
59,981 mi
$53,344
- 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:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 80,615
- Stock #:
- 70174903
- VIN:
- 1GT49WE73MF225354
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
80,615 mi
$51,997
- 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:
- 8-Speed Automatic
- Mileage:
- 91,734
- Stock #:
- F218703
- VIN:
- 1GT49WEYXMF218703
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
91,734 mi
$53,566
- 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:
- 104,359
- Stock #:
- 8481
- VIN:
- 1GT49WEY3MF253566
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
104,359 mi
$47,535
- 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:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 115,930
- Stock #:
- 243785
- VIN:
- 1GT49WEY0LF243785
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
115,930 mi
$51,505
- 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
$52,394
CarGurus Analysis:
2020 GMC Sierra 3500HD
With 439 currently listed for sale and an average price of $51,371.00, 30.5% of 2020 GMC Sierras 3500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 3500HD 5 / 5 stars.
74.9% of 2020 Sierra 3500HD models on CarGurus are accident free.
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- 156,743
- Stock #:
- 183416
- VIN:
- 1GT42WEY4KF183416
2019 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
156,743 mi
$40,409
- 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:
- 6-Speed Automatic
- Mileage:
- 128,369
- Stock #:
- 171202
- VIN:
- 1GT49TE77MF171202
2021 GMC Sierra 3500HD
SLE Crew Cab 4WD
128,369 mi
$34,137
- 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
$48,062
- 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:
- [GBA] Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 88,635
- Stock #:
- 26354
- VIN:
- 1GT49WEY9MF236688
![[GBA] Onyx Black 2021 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/07/30/13/56/2021_gmc_sierra_3500hd-pic-6992054271039986493-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2021 GMC Sierra 3500HD
Denali Crew Cab LB 4WD
88,635 mi
$54,000
- 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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 120,050
- Stock #:
- 292410
- VIN:
- 1GT49WEY4LF292410
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
120,050 mi
$49,105
- Year:
- 2019
- 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:
- Gray
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 125,400
- Stock #:
- 194344
- VIN:
- 1GT42TCY3KF194344
2019 GMC Sierra 3500HD
Crew Cab 4WD
125,400 mi
$31,105
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 75,472
- Stock #:
- 16084
- VIN:
- 1GT42WEYXKF228276
2019 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
75,472 mi
$51,192
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8 Flex Fuel Vehicle
- Exterior color:
- White
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Brown (Beige)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 185,176
- Stock #:
- D1722
- VIN:
- 1GT42WEG4KF177185
2019 GMC Sierra 3500HD
Denali Crew Cab LB 4WD
185,176 mi
$26,171
- 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:
- Dark Walnut/Dark Ash Gray
- Transmission:
- Automatic
- Mileage:
- 59,130
- Stock #:
- 36205
- VIN:
- 1GT49WEY6MF140680
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2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
59,130 mi
$59,414
- 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
- Transmission:
- Automatic
- Mileage:
- 148,905
- Stock #:
- 05979
- VIN:
- 1GT49WEY1MF105979
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
148,905 mi
$43,703
CarGurus Analysis: 2020 GMC Sierra 3500HD
Summary
With 439 currently listed for sale and an average price of $51,371.00, 30.5% of 2020 GMC Sierras 3500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 3500HD 5 / 5 stars.
74.9% of 2020 Sierra 3500HD models on CarGurus are accident free.
Why it stands out
The 2020 GMC Sierra 3500HD stands out as a heavy-duty truck that was redesigned to be bigger and more capable, with the fifth-generation model debuting as a 2020 model. Compared with the previous generation, it grew as much as 10 inches in length and 2.5 inches in height, and its revised styling brought a larger, blockier grille. More importantly for buyers who need real work capability, it delivered a significant increase in maximum towing capacity, which rose by 53 percent in its most extreme case.
This truck also offers the kind of configuration range that matters in the heavy-duty segment. Buyers could choose regular, extended, or crew cab body styles, pair them with a short or long bed, and select either single- or dual-wheel rear axles. Two engines were available: a 6.6-liter V8 with 401 horsepower and 464 pound-feet of torque, or a 6.6-liter Duramax turbodiesel V8 with 445 hp and 910 lb-ft of torque. Properly equipped, it could haul up to 7,442 pounds of cargo and tow up to 35,500 pounds, though those maximum ratings required the diesel engine, a single cab body, rear-wheel drive, a gooseneck hitch, and dual rear wheels.
Inside, the 2020 Sierra 3500HD was trimmed across five levels, from a basic work-truck setup to the Denali luxury model. Even the base version included a seven-inch infotainment touchscreen plus Apple CarPlay and Android Auto, while higher trims added features such as the MultiPro tailgate, trailering assist technology, off-road hardware, and premium leather appointments. The truck’s appeal is strongest for shoppers who want serious towing and hauling ability with a wide spread of trims and equipment, though its size can make it unwieldy in parking lots and its top trims can be prohibitively expensive.
Other model years to consider
- Average price: $68,734.00
- Good/great deal percentage: 30.6%
- User rating: 5 / 5
- Total listings: 1,296
- Average price: $76,288.00
- Good/great deal percentage: 29.7%
- User rating: 5 / 5
- Total listings: 1,228
- Average price: $57,661.00
- Good/great deal percentage: 29.9%
- Total listings: 1,174
This analysis is based on CarGurus' proprietary market data from August 10, 2026, CarGurus experts' opinions, and generative AI.
5.0 Overall rating
Filter by rating
Christine A
Reviewed a 2020 GMC Sierra 3500HD on Jun 16, 2023
Besides the bells and whistles we grabbed this dually because we pull a toy hauler. We went from a sturdy 2500 Dodge Ram to this beauty. We choose the dually 3500 due to the pulling capacity and payload as toy haulers are heavier in front to compensate for the weight that you can put in the back. We have no issues pulling it now and the truck does not squat because the support of the 4 tires. Other friends have regular 3500 and still have issues with the payload and had to put in more money into their vehicle to beef up the suspension when pulling a toy hauler because the payload is less. YOU WONT REGRET BUYING ONE!
Dwayne M
Reviewed a 2020 GMC Sierra 3500HD on Jan 2, 2022
The 2020 GMC Sierra 3500 HD is a great truck and investment. This truck is well built and drives great and is very comfortable to ride in. Plus has great looks.
bill z
Reviewed a 2020 GMC Sierra 3500HD on Oct 18, 2020
better than ford or ram, hard to beat gmc track record
Anonymous
Reviewed a 2020 GMC Sierra 3500HD on Jul 2, 2021
It is missing a CD player. The lumbar support needs more better adjustment.
2020 GMC Sierra 3500HD Trims
| Trim type | MSRP |
|---|---|
| Base Crew Cab 4WD | $44,200 |
| Base Crew Cab LB 4WD | $44,400 |
| Base LB 4WD | $39,800 |
| Denali Crew Cab LB DRW 4WD | $66,900 |
| SLE Crew Cab 4WD | $48,200 |
| AT4 Crew Cab 4WD | $59,500 |
| SLT Crew Cab 4WD | $56,800 |
| Denali Crew Cab 4WD | $65,500 |
2020 GMC Sierra 3500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2020 GMC Sierra 3500HD prices has changed over time.
See more price trends2020 GMC Sierra 3500HD Pricing Analysis: Washington, DC Market Report
Pricing by Nearby Locations
Market Area: Washington, DC
Key Insights
- Lowest Prices in Dover, DE: The market in Dover, DE ($29,300) offers the most competitive pricing, likely due to higher inventory levels and lower demand.
- Highest Prices in Fredericksburg, VA: In contrast, Fredericksburg, VA ($57,378) shows significantly higher prices, indicating a tighter supply or higher demand in that area.
- Inventory Levels Vary: Markets like Hanover, PA (64 listings) and Newark, DE (61 listings) have similar inventory levels but differ in pricing, suggesting local market dynamics influence pricing more than inventory alone.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Fredericksburg, VA | 63 | $57,378 |
| Hanover, PA | 64 | $46,900 |
| Lancaster, PA | 60 | $45,448 |
| Newark, DE | 61 | $36,648 |
| Dover, DE | 61 | $29,300 |
Pricing Analysis by Model Year
Key Insights
- Significant Premium for New Models: The 2026 GMC Sierra 3500HD is priced at $97,889, reflecting a 103.5% increase over its original MSRP, indicating strong demand for the latest model.
- Depreciation Trends: The 2021 model shows a more moderate depreciation at -33.5%, while older models like the 2015 have a depreciation of -18.5%, suggesting a slower decline in value for older vehicles.
- Best Value in Recent Models: The 2022 model is priced at $65,999, which is -10.1% below its MSRP, making it a potentially attractive option for buyers looking for value.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $48,200 | $97,889 | +103.5% |
| 2025 | $47,500 | $76,227 | +60.6% |
| 2024 | $46,600 | $71,732 | +54.0% |
| 2022 | $41,400 | $65,999 | -10.1% |
| 2021 | $37,400 | $49,700 | -33.5% |
| 2019 | $40,800 | $53,500 | +31.1% |
| 2015 | $34,295 | $40,497 | +18.5% |
These recommendations are based on CarGurus' proprietary market data from August 13, 2026, CarGurus experts' opinions, and generative AI.
FAQs
How much does the 2020 GMC Sierra 3500HD cost in Washington, DC?
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