Used 2020 GMC Sierra 1500 for Sale near Delaware
470 results
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Gray (Steel Metallic)
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 55,609
- Stock #:
- 8779X
- VIN:
- 3GTU9CET1MG368779
Sponsored by Patriot Chevrolet
2021 GMC Sierra 1500
Elevation Crew Cab 4WD
55,609 mi
$36,916
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Gray (Dark Sky Metallic)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 98,785
- Stock #:
- 18235B
- VIN:
- 3GTP9EEL4LG162346
Sponsored Listing
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
98,785 mi
$35,288
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 35,661
- Stock #:
- MG427042
- VIN:
- 3GTU9FED2MG427042
Sponsored Listing
2021 GMC Sierra 1500
Denali Crew Cab 4WD
35,661 mi
$44,288
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Gray (Satin Steel Metallic)
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 86,425
- Stock #:
- BSU4807
- VIN:
- 3GTU9CEDXMG162501
2021 GMC Sierra 1500
Elevation Crew Cab 4WD
86,425 mi
$31,685
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 64,258
- Stock #:
- MG481220
- VIN:
- 3GTU9CED8MG481220
2021 GMC Sierra 1500
Elevation Crew Cab 4WD
64,258 mi
$35,019
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 80,864
- Stock #:
- LZ102103
- VIN:
- 1GTU9FED6LZ102103
2020 GMC Sierra 1500
Denali Crew Cab 4WD
80,864 mi
$32,869
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Pacific Blue Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,261
- Stock #:
- P6046
- VIN:
- 3GTU9DEL1MG456818
-$1,167
2021 GMC Sierra 1500
SLT Crew Cab 4WD
45,261 mi
$37,186
$36,019
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 89,677
- Stock #:
- MT0988
- VIN:
- 1GTU9AEF0KZ296811
2019 GMC Sierra 1500
Crew Cab 4WD
89,677 mi
$26,064
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Pacific Blue Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 104,325
- Stock #:
- P440862
- VIN:
- 3GTU9EET6LG440862
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
104,325 mi
$29,487
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Silver
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 115,289
- Stock #:
- 208307
- VIN:
- 1GTU9DED7MZ208307
2021 GMC Sierra 1500
SLT Crew Cab 4WD
115,289 mi
$30,662
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 60,366
- Stock #:
- 60789A
- VIN:
- 3GTU9FED7MG180018
2021 GMC Sierra 1500
Denali Crew Cab 4WD
60,366 mi
$40,698
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White Frost
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 8-Speed Automatic
- Mileage:
- 63,688
- Stock #:
- T261446A
- VIN:
- 3GTU9DED7KG293968
2019 GMC Sierra 1500
SLT Crew Cab 4WD
63,688 mi
$36,799
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Summit White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 61,162
- Stock #:
- 25767
- VIN:
- 1GTU9EET6MZ240789
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
61,162 mi
$39,480
CarGurus Analysis:
2020 GMC Sierra 1500
With 6,365 currently listed for sale and an average price of $34,048.00, 32.0% of 2020 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 1500 4.28 / 5 stars.
76.1% of 2020 Sierra models on CarGurus are accident free.
The 2020 GMC Sierra 1500 features various trim levels, advanced technology, and multiple powertrain options, appealing to a wide range of truck buyers.
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Carbon Black Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black W/Kalahari Acce
- Transmission:
- Automatic
- Mileage:
- 94,818
- Stock #:
- P4476
- VIN:
- 1GTU9EET5LZ273118
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
94,818 mi
$34,961
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 51,818
- Stock #:
- H66182A1
- VIN:
- 3GTU9DED7KG180263
2019 GMC Sierra 1500
SLT Crew Cab 4WD
51,818 mi
$37,934
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Smokey Quartz Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 70,245
- Stock #:
- 26250A
- VIN:
- 1GTU9FEL9KZ148479
2019 GMC Sierra 1500
Denali Crew Cab 4WD
70,245 mi
$36,837
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 75,031
- Stock #:
- T0051A
- VIN:
- 3GTU9FED7MG282774
2021 GMC Sierra 1500
Denali Crew Cab 4WD
75,031 mi
$39,106
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 35,661
- Stock #:
- MG427042
- VIN:
- 3GTU9FED2MG427042
2021 GMC Sierra 1500
Denali Crew Cab 4WD
35,661 mi
$44,288
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 86,664
- Stock #:
- TG324985A
- VIN:
- 3GTU9BED9KG218726
2019 GMC Sierra 1500
SLE Crew Cab 4WD
86,664 mi
$26,490
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 64,954
- Stock #:
- 260519A
- VIN:
- 3GTP9EED0MG430982
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
64,954 mi
$39,490
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 135,920
- Stock #:
- CA5007
- VIN:
- 1GTP9EEL9MZ256353
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
135,920 mi
$32,228
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Pacific Blue Metallic - GA0
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black - H2X
- Transmission:
- Automatic
- Mileage:
- 78,050
- Stock #:
- 12912Q
- VIN:
- 1GTU9FEL6KZ301576
2019 GMC Sierra 1500
Denali Crew Cab 4WD
78,050 mi
$36,908
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 60,366
- Stock #:
- 60789A
- VIN:
- 3GTU9FED7MG180018
Sponsored Listing
2021 GMC Sierra 1500
Denali Crew Cab 4WD
60,366 mi
$40,698
CarGurus Analysis: 2020 GMC Sierra 1500
overall
Summary
With 6,365 currently listed for sale and an average price of $34,048.00, 32.0% of 2020 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 1500 4.28 / 5 stars.
76.1% of 2020 Sierra models on CarGurus are accident free.
The 2020 GMC Sierra 1500 features various trim levels, advanced technology, and multiple powertrain options, appealing to a wide range of truck buyers.
Why it stands out
The 2020 GMC Sierra 1500 distinguishes itself with a blend of utility and comfort, making it a versatile option for both work and everyday driving. Its available trim levels, including the rugged AT4, cater to diverse preferences, whether you prioritize off-road capability or luxury. Notable features such as the innovative carbon-fiber bed, the MultiPro tailgate, and a host of driver-assistance technologies enhance its functionality. Powering the Sierra are multiple engine choices, including a robust 6.2-liter V8, which delivers commanding performance and efficient towing capabilities of up to 12,100 pounds. While the Sierra offers an upscale cabin experience, its ride quality can be a bit firm due to off-road-focused suspension, which is worth considering for those prioritizing daily comfort over rugged utility. Overall, the GMC Sierra 1500 stands out for its seamless integration of luxury and capability, appealing to a broad spectrum of truck users.
Other model years to consider
- Average price: $53,062.00
- Good/great deal percentage: 34.4%
- User rating: 5 / 5
- Total listings: 9,644
- Average price: $43,579.00
- Good/great deal percentage: 33.1%
- User rating: 5 / 5
- Total listings: 9,332
- Average price: $50,280.00
- Good/great deal percentage: 34.2%
- User rating: 4.64 / 5
- Total listings: 9,711
This analysis is based on CarGurus' proprietary market data from June 22, 2026, CarGurus experts' opinions, and generative AI.
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4.3 Overall rating
Filter by rating
Jeremy S
Reviewed a 2020 GMC Denali Crew Cab 4WD on Nov 23, 2024
Great truck, great value, awesome vehicle accessories package. Highly recommend this truck.
Rodney C
Reviewed a 2020 GMC Sierra 1500 on Jun 30, 2025
Body dented and scratches, former work truck , transmission shutter , definitely abused, four wheel clunks when engaged , not a good value
Deborah E
Reviewed a 2020 GMC Sierra 1500 on Aug 7, 2022
Absolutely stunning vehicle. Pure luxury pick-up truck. Serious power, w/a 6.2L V8 engine; smooth, wonderful ride, lots of driver convenience & safety features; comfortable seating, roomy cab interior....I could go on. GMC has left nothing out of their Sierra Denali line. Beautiful truck - everyone Ive talked to feels the same. Commanding presence on the road. Tops Dodge Ram & Ford models, in my opinion. I have a 2020 model. The 2023 model tops even THAT!!!
Garry R
Reviewed a 2020 GMC Sierra 1500 on Feb 12, 2022
Great design and tecnology. Spacious and smooth ride. Comfortable for passengers and driver. The Denali leaves nothing to be desired.
2020 GMC Sierra 1500 Trims
| Trim type | MSRP |
|---|---|
| Elevation Double Cab 4WD | $43,800 |
| Elevation Crew Cab RWD | $42,900 |
| SLE Crew Cab 4WD | $43,700 |
| SLT Crew Cab RWD | $46,900 |
| Elevation Crew Cab 4WD | $46,200 |
| AT4 Crew Cab 4WD | $53,700 |
| Denali Crew Cab 4WD | $58,600 |
| SLT Crew Cab 4WD | $50,400 |
2020 GMC Sierra 1500 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2020 GMC Sierra 1500 prices has changed over time.
See more price trends2020 GMC Sierra 1500 Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in Philadelphia: The market in Philadelphia, PA shows an average price of $37,001, reflecting stronger demand or limited inventory in that area.
- Lowest Prices in 2014 Sierra 1500: New York, NY offers the lowest average price at $31,576, indicating a more competitive market or better availability of inventory.
- Inventory Distribution: Cities like Houston (616 listings) and Atlanta (635 listings) show strong inventory levels, potentially stabilizing pricing around the national average.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Philadelphia, PA | 464 | $37,001 |
| Chicago, IL | 599 | $35,040 |
| Boston, MA | 438 | $33,435 |
| Los Angeles, CA | 322 | $32,510 |
| Dallas, TX | 222 | $32,558 |
| Washington, DC | 456 | $32,681 |
| Atlanta, GA | 635 | $32,314 |
| Miami, FL | 362 | $30,298 |
| New York, NY | 439 | $31,576 |
| Houston, TX | 616 | $31,837 |
Pricing Analysis by Model Year
Key Insights
- 2026 Premium Pricing: The 2026 GMC Sierra 1500 has the highest average price at $61,515, indicating significant demand for the latest model with a 60% increase over its MSRP.
- Steady Depreciation for Recent Models: Models from 2022 and earlier show consistent depreciation, with the 2019 model down approximately -8.9% from its MSRP.
- Best Value Propositions: The 2022 model is priced reasonably, marginally below its MSRP reflecting slower depreciation compared to older models.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $38,300 | $61,515 | +60.0% |
| 2025 | $38,300 | $53,699 | +40.1% |
| 2024 | $37,700 | $50,660 | +34.3% |
| 2023 | $37,100 | $46,682 | +26.0% |
| 2022 | $35,400 | $43,588 | +23.0% |
| 2021 | $30,100 | $36,291 | +20.5% |
| 2019 | $29,600 | $32,155 | +8.8% |
| 2018 | $29,000 | $26,561 | -8.4% |
| 2017 | $28,405 | $23,531 | -17.2% |
| 2016 | $27,815 | $20,910 | -24.7% |
| 2015 | $26,670 | $19,638 | -26.3% |
| 2014 | $26,075 | $17,047 | -34.7% |
These recommendations are based on CarGurus' proprietary market data from June 25, 2026, CarGurus experts' opinions, and generative AI.
