Used 2020 GMC Sierra 3500HD for Sale nearDallas, TX
77 vehicles found
See the total price upfront.
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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 64,885
- Stock #:
- 192163
- VIN:
- 1GT49WEY4MF192163
Sponsored by Carsandpickups.com - Dallas
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
64,885 mi
$60,220
- 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 WITH KALAHARI ACCENTS, PERFORATED LEATHE
- Transmission:
- Automatic
- Mileage:
- 109,366
- Stock #:
- LF302943
- VIN:
- 1GT49VEY0LF302943
Sponsored Listing
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
109,366 mi
$45,500
- 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:
- 51,343
- Stock #:
- P296954
- VIN:
- 1GT49WEY9LF296954
Sponsored Listing
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
51,343 mi
$60,488
- 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 WITH KALAHARI ACCENTS, PERFORATED LEATHE
- Transmission:
- Automatic
- Mileage:
- 109,366
- Stock #:
- LF302943
- VIN:
- 1GT49VEY0LF302943
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
109,366 mi
$45,500
- 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:
- 81,595
- Stock #:
- T288989
- VIN:
- 1GT49WEY8MF288989
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
81,595 mi
$56,663
- 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:
- Carbon Black Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 61,520
- Stock #:
- P2843A
- VIN:
- 1GT49WEY3MF124971
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
61,520 mi
$56,916
- 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:
- 87,390
- Stock #:
- S16026A
- VIN:
- 1GT49WEY8LF346274
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
87,390 mi
$50,798
- 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
$53,772
- 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:
- 134,173
- Stock #:
- 3440
- VIN:
- 1GD49SE72MF249682
2021 GMC Sierra 3500HD
Crew Cab LB DRW 4WD
134,173 mi
$26,995
- 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:
- 111,721
- Stock #:
- PLF331475
- VIN:
- 1GT49WEY9LF331475
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
111,721 mi
$46,306
- 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:
- Cayenne Red Tintcoat
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 163,200
- Stock #:
- T251374
- VIN:
- 1GT49WEY6MF251374
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
163,200 mi
$43,534
- 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:
- 54,587
- Stock #:
- P4432A
- VIN:
- 1GT49WEY2LF297332
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
54,587 mi
$60,503
- 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
$58,520
CarGurus Analysis:
2020 GMC Sierra 3500HD
With 79 currently listed for sale near Dallas, TX and an average price of $54,317.00, 26.6% 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.
63.3% of 2020 Sierra 3500HD models on CarGurus are accident free.
The 2020 GMC Sierra 3500HD is known for its impressive towing capabilities, luxurious interior options, and advanced technology features, making it a strong contender in the heavy-duty truck market.
- 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:
- Silver
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 91,317
- Stock #:
- MF227568STK
- VIN:
- 1GT49WE7XMF227568
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
91,317 mi
$49,097
- 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
$43,000
- 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:
- Dark Walnut / Very Dark Ash Leather
- Transmission:
- Automatic
- Mileage:
- 126,283
- Stock #:
- 133063
- VIN:
- 1GT49WEY2MF133063
2021 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
126,283 mi
$52,606
- 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:
- 86,656
- Stock #:
- 13086
- VIN:
- 1GT49WEY6MF106397
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
86,656 mi
$50,779
- 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
$55,955
- 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:
- 64,885
- Stock #:
- 192163
- VIN:
- 1GT49WEY4MF192163
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
64,885 mi
$60,220
- 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
$52,016
- 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
$41,338
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- [GAN] Quicksilver Metallic
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 85,980
- Stock #:
- 313403
- VIN:
- 1GT49WEY4LF313403
![[GAN] Quicksilver Metallic 2020 GMC Sierra 3500HD Pickup Truck Four-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/06/16/02/33/2020_gmc_sierra_3500hd-pic-7651063051144346390-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2020 GMC Sierra 3500HD
Denali Crew Cab 4WD
85,980 mi
$55,464
- 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:
- Silver
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 91,317
- Stock #:
- MF227568STK
- VIN:
- 1GT49WE7XMF227568
Sponsored Listing
2021 GMC Sierra 3500HD
Denali Crew Cab 4WD
91,317 mi
$49,097
CarGurus Analysis: 2020 GMC Sierra 3500HD
Summary
With 79 currently listed for sale near Dallas, TX and an average price of $54,317.00, 26.6% 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.
63.3% of 2020 Sierra 3500HD models on CarGurus are accident free.
The 2020 GMC Sierra 3500HD is known for its impressive towing capabilities, luxurious interior options, and advanced technology features, making it a strong contender in the heavy-duty truck market.
Why it stands out
The 2020 GMC Sierra 3500HD distinguishes itself with its robust performance and luxurious features, appealing to both work and leisure needs. With a maximum towing capacity of up to 35,500 pounds when properly equipped, it excels in heavy-duty tasks, making it a favorite among those who require serious hauling capabilities. The Sierra 3500HD also offers a range of trim levels, including the upscale Denali, which provides premium materials and advanced technology, enhancing the driving experience. Owners appreciate its comfort and build quality, although some have noted the absence of certain features like a CD player and the need for improved lumbar support. Overall, the Sierra 3500HD combines strength with sophistication, making it a compelling choice for buyers in the heavy-duty truck segment.
Other model years to consider
- Average price: $73,491.00
- Good/great deal percentage: 17.5%
- User rating: 5 / 5
- Total listings: 211
- Average price: $56,197.00
- Good/great deal percentage: 20.2%
- Accident-free percentage: 92.6%
- Total listings: 203
- Average price: $91,748.00
- Good/great deal percentage: 15.0%
- User rating: 5 / 5
- Total listings: 207
This analysis is based on CarGurus' proprietary market data from July 7, 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 |
|---|---|
| Denali Crew Cab LB 4WD | $65,700 |
| Base Crew Cab 4WD | $44,200 |
| Denali Crew Cab LB DRW 4WD | $66,900 |
| Base Crew Cab LB 4WD | $44,400 |
| SLE Crew Cab 4WD | $48,200 |
| SLT Crew Cab 4WD | $56,800 |
| AT4 Crew Cab 4WD | $59,500 |
| 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: Dallas, TX Market Report
Pricing by Nearby Locations
Market Area: Dallas, TX
Key Insights
- Highest Prices in Weatherford: The market in Weatherford, TX ($57,248) shows the highest average price, likely due to lower inventory and higher demand for heavy-duty trucks.
- Lowest Prices in Greenville: Greenville, TX ($51,298) offers the lowest average price, suggesting a more price-sensitive market or higher inventory turnover.
- Stable Pricing Across Cities: The average prices in McKinney ($54,638) and Denton ($54,638) indicate a consistent market for the Sierra 3500HD in the Dallas area.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Weatherford, TX | 72 | $57,248 |
| McKinney, TX | 72 | $54,638 |
| Denton, TX | 73 | $54,638 |
| Fort Worth, TX | 73 | $54,594 |
| Greenville, TX | 71 | $51,298 |
Pricing Analysis by Model Year
Key Insights
- Significant Premium for New Models: The 2026 GMC Sierra 3500HD is priced at $114,206, reflecting a 137.5% increase over its original MSRP, indicating strong demand for the latest model.
- Depreciation Trends: The 2019 model shows a notable depreciation of -16.0%, while older models like the 2016 Sierra 3500HD have depreciated significantly, with an average price of $24,635.
- Best Value in Recent Models: The 2022 model is priced at $55,682, which is only +0.7% above its MSRP, making it a compelling option for buyers looking for newer vehicles with less depreciation.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $48,200 | $114,206 | +137.5% |
| 2025 | $47,500 | $98,508 | +74.0% |
| 2024 | $46,600 | $73,345 | +57.4% |
| 2023 | $43,400 | $49,638 | +14.3% |
| 2022 | $41,400 | $55,682 | +0.7% |
| 2021 | $37,400 | $45,571 | +21.0% |
| 2019 | $40,800 | $34,295 | -16.0% |
| 2018 | $36,100 | $38,787 | +7.4% |
| 2016 | $34,635 | $24,635 | -28.9% |
| 2015 | $34,295 | $44,819 | +30.7% |
These recommendations are based on CarGurus' proprietary market data from July 2, 2026, CarGurus experts' opinions, and generative AI.
FAQs
How much does the 2020 GMC Sierra 3500HD cost in Dallas, TX?
How many 2020 GMC Sierra 3500HD vehicles in Dallas, TX have no reported accidents or damage?
What fuel types are available?
Relevant articles
The Best Dually Trucks of 2026
Trucks have gone quite lux lately, and are more often used to get around town than to get work done. The most capable of these trucks are nicknamed “duallies”, which those equipped with dual rear wheels.
GMC Sierra 3500HD Buying Guide: Cost, Reliability, and the Best Years to Buy
Discover the ultimate buying guide for purchasing a used GMC Sierra 3500HD covering each generation since 1988. Whether you're a first-time buyer or a GMC enthusiast, this comprehensive overview will help you research your next pre-owned GMC Sierra 3500HD.
2025 GMC Sierra 3500HD Pricing, Specs, and Release Date
Like its slightly less beefy 2500HD sibling, the 2025 GMC Sierra 3500HD offers added features for the new model year, including a standard trailer brake controller.
