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  • Onyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLT

    $33,809

    $550
    65,200 mi.
    Est. $624/mo

    Clay Cooley Chevrolet of Dallas

    4.5
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    Dallas, TX (28 mi)

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  • White Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 Denali

    $38,438

    49,233 mi.
    Est. $709/mo

    Freeman Buick GMC

    3.2
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    Grapevine, TX (20 mi)

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  • Summit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 Elevation

    $35,683

    $1.8K
    72,439 mi.
    Est. $659/mo

    Bill Utter Ford

    4.8
    Check Availability
    Denton, TX (11 mi)
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  • Cardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLT

    $29,832

    98,252 mi.
    Est. $551/mo

    BMW of Dallas

    4.7
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    Dallas, TX (22 mi)
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  • Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4

    $44,468

    $527
    26,621 mi.
    Est. $821/mo

    MINI of Dallas

    4.7
    Check Availability
    Dallas, TX (22 mi)
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  • Red 2020 GMC Sierra 1500 ElevationRed 2020 GMC Sierra 1500 ElevationRed 2020 GMC Sierra 1500 ElevationRed 2020 GMC Sierra 1500 ElevationRed 2020 GMC Sierra 1500 ElevationRed 2020 GMC Sierra 1500 Elevation

    $34,998

    53,838 mi.
    Est. $646/mo

    CarMax Plano

    4.4
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    Plano, TX (12 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4Pacific Blue Metallic 2020 GMC Sierra 1500 AT4

    $29,830

    158,769 mi.
    Est. $551/mo

    Guzman Auto Group LLC

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    Dallas, TX (18 mi)
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  • Satin Steel Metallic 2020 GMC Sierra 1500 Denali

    $32,838

    113,224 mi.
    Est. $606/mo

    Freeman Buick GMC

    3.2
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    Grapevine, TX (20 mi)

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  • Cardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 Elevation

    $28,995

    117,640 mi.
    Est. $535/mo

    Imd Motors Richardson

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    Dallas, TX (17 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 SLTPacific Blue Metallic 2020 GMC Sierra 1500 SLTPacific Blue Metallic 2020 GMC Sierra 1500 SLTPacific Blue Metallic 2020 GMC Sierra 1500 SLTPacific Blue Metallic 2020 GMC Sierra 1500 SLTPacific Blue Metallic 2020 GMC Sierra 1500 SLT

    $26,000

    115,712 mi.
    Est. $480/mo

    Sign It Drive It

    4.1
    Check Availability
    Denton, TX (14 mi)
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  • Gray 2020 GMC Sierra 1500 SLEGray 2020 GMC Sierra 1500 SLEGray 2020 GMC Sierra 1500 SLEGray 2020 GMC Sierra 1500 SLEGray 2020 GMC Sierra 1500 SLEGray 2020 GMC Sierra 1500 SLE

    $32,998

    55,919 mi.
    Est. $609/mo

    CarMax Alliance

    4.4
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    Fort Worth, TX (30 mi)
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  • Onyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 Denali

    $39,680

    97,008 mi.
    Est. $732/mo

    Tom Clark Chevrolet

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    Denton, TX (17 mi)
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  • Summit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLT

    $29,000

    79,384 mi.
    Est. $535/mo

    Prestige Auto Brokers

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    Grand Prairie, TX (28 mi)
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  • Cardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLTCardinal Red 2020 GMC Sierra 1500 SLT

    $31,977

    $3.5K
    91,302 mi.
    Est. $590/mo

    Stonebriar Chevrolet

    4.1
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    Frisco, TX (7 mi)

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  • Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4

    $32,364

    112,043 mi.
    Est. $597/mo

    Ride N Drive

    4.4
    Check Availability
    McKinney, TX (16 mi)
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  • Cardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 Elevation

    $25,777

    $1K
    79,798 mi.
    Est. $476/mo

    Maverick Motors

    3.3
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    Dallas, TX (22 mi)
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  • Summit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 Elevation

    $24,900

    81,838 mi.
    Est. $460/mo

    BBC Motorsports

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    Dallas, TX (25 mi)
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  • Cardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 ElevationCardinal Red 2020 GMC Sierra 1500 Elevation

    $21,477

    123,162 mi.
    Est. $396/mo

    Texas Autos Direct

    2.6
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    Mesquite, TX (30 mi)
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  • Dark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLE

    $28,000

    93,582 mi.
    Est. $517/mo

    Sign It Drive It

    4.1
    Check Availability
    Denton, TX (14 mi)
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  • Summit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLT

    $23,688

    142,168 mi.
    Est. $437/mo

    McKinney Buick GMC

    4.1
    Check Availability
    McKinney, TX (15 mi)

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  • Satin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLT

    $31,668

    123,282 mi.
    Est. $584/mo

    Ride N Drive

    4.4
    Check Availability
    McKinney, TX (16 mi)
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  • White Frost Tricoat 2020 GMC Sierra 1500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 1500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 1500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 1500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 1500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 1500 Denali Ultimate

    $37,996

    69,845 mi.
    Est. $701/mo

    Texas Car One

    3.4
    Check Availability
    Carrollton, TX (14 mi)
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  • White 2020 GMC Sierra 1500 SLTWhite 2020 GMC Sierra 1500 SLTWhite 2020 GMC Sierra 1500 SLTWhite 2020 GMC Sierra 1500 SLTWhite 2020 GMC Sierra 1500 SLTWhite 2020 GMC Sierra 1500 SLT

    $40,998

    40,951 mi.
    Est. $757/mo

    CarMax Arlington/Ft. Worth

    4.7
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    Free delivery to Denton, TX (11 mi)
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  • White Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 1500 Denali

    $25,995

    159,928 mi.
    Est. $480/mo

    Laura Buick GMC

    4.5
    Check Availability
    $1,086 delivery from Collinsville, IL (543 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $62,411 4 Good deals
2025 GMC Sierra 1500 $56,152 12 Great deals
2024 GMC Sierra 1500 $51,018 15 Great deals
2023 GMC Sierra 1500 $48,501 10 Great deals
2022 GMC Sierra 1500 $41,674 15 Great deals
2021 GMC Sierra 1500 $34,905 17 Great deals
2019 GMC Sierra 1500 $33,963 5 Great deals
2018 GMC Sierra 1500 $26,128 6 Great deals
2017 GMC Sierra 1500 $19,285 4 Good deals

About the 2020 GMC Sierra 1500

Basics

Base shown (base trim).

Seating
3
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
17
Transmission
6-Speed A/T
Engine
285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
Side view of the 2020 GMC Sierra 1500
FAQs

How much does the 2020 GMC Sierra 1500 cost?

The 2020 GMC Sierra 1500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2020 Sierra 1500 is $34,200, with pricing starting at $14,988.

What is the MPG of the 2020 GMC Sierra 1500?

The 2020 GMC Sierra 1500 offers up to 15 MPG in city driving and 21 MPG on the highway for a combined rating of 17 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2020 GMC Sierra 1500?

The 2020 GMC Sierra 1500 compares to and/or competes against the following vehicles:


Is the 2020 GMC Sierra 1500 reliable?

The 2020 GMC Sierra 1500 has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2020 Sierra 1500 owners.

Is the 2020 GMC Sierra 1500 a good truck?

Below are the Cars.com consumer ratings for the 2020 GMC Sierra 1500.

(69 reviews)
Rating breakdown (out of 5):
Comfort
4.9
Interior
4.8
Performance
4.8
Value
4.6
Exterior
4.9
Reliability
4.7
Ratings (69 reviews)

91% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.9
Interior
4.8
Performance
4.8
Value
4.6
Exterior
4.9
Reliability
4.7
Trims

AT4 (3 styles)

Style
4WD Double Cab 147" AT4 4WD Crew Cab 157" AT4 4WD Crew Cab 147" AT4
Inventory price
Starting at $51,300 Starting at $54,000 Starting at $53,700
Combined MPG
18 18 18
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)

Base (8 styles)

Style
4WD Crew Cab 157" 2WD Double Cab 147" 2WD Crew Cab 147" 4WD Double Cab 147" 2WD Crew Cab 157" 4WD Crew Cab 147" 4WD Reg Cab 140" 2WD Reg Cab 140"
Inventory price
Starting at $39,500 Starting at $33,500 Starting at $35,900 Starting at $36,800 Starting at $36,200 Starting at $39,200 Starting at $34,200 Starting at $29,600
Combined MPG
20 20 20 20 20 20 17 17
Engine
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)

Denali (4 styles)

Style
2WD Crew Cab 157" Denali 4WD Crew Cab 147" Denali 4WD Crew Cab 157" Denali 2WD Crew Cab 147" Denali
Inventory price
Starting at $55,400 Starting at $58,600 Starting at $58,900 Starting at $55,100
Combined MPG
19 18 18 19
Engine
355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)

Elevation (6 styles)

Style
4WD Crew Cab 157" Elevation 2WD Double Cab 147" Elevation 2WD Crew Cab 157" Elevation 2WD Crew Cab 147" Elevation 4WD Double Cab 147" Elevation 4WD Crew Cab 147" Elevation
Inventory price
Starting at $46,500 Starting at $40,500 Starting at $43,200 Starting at $42,900 Starting at $43,800 Starting at $46,200
Combined MPG
20 21 21 21 20 20
Engine
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel)

SLE (6 styles)

Style
2WD Crew Cab 157" SLE 2WD Double Cab 147" SLE 4WD Double Cab 147" SLE 2WD Crew Cab 147" SLE 4WD Crew Cab 157" SLE 4WD Crew Cab 147" SLE
Inventory price
Starting at $40,700 Starting at $38,000 Starting at $41,300 Starting at $40,400 Starting at $44,000 Starting at $43,700
Combined MPG
21 21 20 20 20 20
Engine
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel)

SLT (6 styles)

Style
4WD Crew Cab 147" SLT 2WD Crew Cab 147" SLT 4WD Crew Cab 157" SLT 4WD Double Cab 147" SLT 2WD Double Cab 147" SLT 2WD Crew Cab 157" SLT
Inventory price
Starting at $50,400 Starting at $46,900 Starting at $50,700 Starting at $48,000 Starting at $44,500 Starting at $47,200
Combined MPG
18 19 18 18 19 19
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)
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