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  • Dark Sky Metallic 2020 GMC Sierra 1500 AT4Dark Sky Metallic 2020 GMC Sierra 1500 AT4Dark Sky Metallic 2020 GMC Sierra 1500 AT4Dark Sky Metallic 2020 GMC Sierra 1500 AT4Dark Sky Metallic 2020 GMC Sierra 1500 AT4Dark Sky Metallic 2020 GMC Sierra 1500 AT4

    $41,600

    40,987 mi.
    Est. $774/mo

    Showcase Honda

    4.7
    Check Availability
    Phoenix, AZ (5 mi)
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  • Onyx Black 2020 GMC Sierra 1500 ElevationOnyx Black 2020 GMC Sierra 1500 ElevationOnyx Black 2020 GMC Sierra 1500 ElevationOnyx Black 2020 GMC Sierra 1500 ElevationOnyx Black 2020 GMC Sierra 1500 ElevationOnyx Black 2020 GMC Sierra 1500 Elevation

    $32,500

    $1K
    99,115 mi.
    Est. $605/mo

    Silo Auto Sales

    Check Availability
    Gilbert, AZ (28 mi)
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  • White Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 Denali

    $42,901

    54,955 mi.
    Est. $798/mo

    101 Motors

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    Tempe, AZ (15 mi)
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  • White Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 Denali

    $38,766

    72,502 mi.
    Est. $721/mo

    Liberty GMC

    4.5
    Check Availability
    Peoria, AZ (10 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

    $37,995

    $505
    74,377 mi.
    Est. $707/mo

    Rollit Motors

    4.5
    Check Availability
    Mesa, AZ (21 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

    $35,973

    $2.6K
    61,626 mi.
    Est. $669/mo

    Bill Luke Chrysler Jeep Dodge RAM

    3.7
    Check Availability
    Phoenix, AZ (4 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

    $42,500

    $400
    51,153 mi.
    Est. $791/mo

    Rollit Motors

    4.5
    Check Availability
    Mesa, AZ (21 mi)
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  • Satin Steel 2020 GMC Sierra 1500 ElevationSatin Steel 2020 GMC Sierra 1500 ElevationSatin Steel 2020 GMC Sierra 1500 ElevationSatin Steel 2020 GMC Sierra 1500 ElevationSatin Steel 2020 GMC Sierra 1500 ElevationSatin Steel 2020 GMC Sierra 1500 Elevation

    $26,777

    95,519 mi.
    Est. $498/mo

    Sullivan Motor Company Inc.

    3.4
    Check Availability
    Mesa, AZ (18 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

    $29,934

    93,159 mi.
    Est. $557/mo

    Henry Brown Buick GMC

    4.8
    Check Availability
    Gilbert, AZ (28 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 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 Denali

    $31,995

    101,802 mi.
    Est. $595/mo

    Rollit Motors

    4.5
    Check Availability
    Mesa, AZ (21 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

    $30,900

    92,465 mi.
    Est. $575/mo

    Silo Auto Sales

    Check Availability
    Gilbert, AZ (28 mi)
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  • Satin Steel Metallic 2020 GMC Sierra 1500 AT4Satin Steel Metallic 2020 GMC Sierra 1500 AT4Satin Steel Metallic 2020 GMC Sierra 1500 AT4Satin Steel Metallic 2020 GMC Sierra 1500 AT4Satin Steel Metallic 2020 GMC Sierra 1500 AT4Satin Steel Metallic 2020 GMC Sierra 1500 AT4

    $34,388

    $100
    88,095 mi.
    Est. $640/mo

    STG Auto Group Of Chandler

    3.0
    Check Availability
    Chandler, AZ (21 mi)
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  • $36,990

    5,785 mi.
    Est. $688/mo

    Yates Buick GMC

    2.9
    Check Availability
    Goodyear, AZ (17 mi)
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  • Not Priced

    124,262 mi.
    Est. $0/mo

    Bill Luke Santan

    4.3
    Check Availability
    Gilbert, AZ (28 mi)
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  • Black 2020 GMC Sierra 1500 DenaliBlack 2020 GMC Sierra 1500 DenaliBlack 2020 GMC Sierra 1500 DenaliBlack 2020 GMC Sierra 1500 DenaliBlack 2020 GMC Sierra 1500 DenaliBlack 2020 GMC Sierra 1500 Denali

    $39,998

    47,050 mi.
    Est. $744/mo

    CarMax El Paso

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    $149 delivery to Tolleson, AZ (13 mi)
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  • Blue 2020 GMC Sierra 1500 DenaliBlue 2020 GMC Sierra 1500 DenaliBlue 2020 GMC Sierra 1500 DenaliBlue 2020 GMC Sierra 1500 DenaliBlue 2020 GMC Sierra 1500 DenaliBlue 2020 GMC Sierra 1500 Denali

    $39,998

    37,477 mi.
    Est. $744/mo

    CarMax Kearny Mesa

    4.3
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    $149 delivery to Tolleson, AZ (13 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

    $33,953

    $490
    73,835 mi.
    Est. $632/mo

    Findlay Hyundai Prescott

    4.7
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    Prescott, AZ (74 mi)
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  • White Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 Denali

    $32,495

    $500
    114,182 mi.
    Est. $604/mo

    Bill Luke Marana

    4.5
    Check Availability
    Tucson, AZ (100 mi)
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  • Satin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 Denali

    $36,802

    $779
    96,709 mi.
    Est. $685/mo

    Jones Buick GMC Casa Grande

    Check Availability
    Casa Grande, AZ (53 mi)
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  • $46,494

    20,612 mi.
    Est. $865/mo

    Hyundai of Cottonwood

    3.7
    Check Availability
    Cottonwood, AZ (80 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $56,244 9 Good deals
2025 GMC Sierra 1500 $53,156 16 Great deals
2024 GMC Sierra 1500 $52,541 6 Great deals
2023 GMC Sierra 1500 $47,885 23 Good deals
2022 GMC Sierra 1500 $44,864 22 Good deals
2021 GMC Sierra 1500 $36,726 10 Great deals
2019 GMC Sierra 1500 $29,885 9 Good deals
2018 GMC Sierra 1500 $28,799 7 Great 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 $34,066, with pricing starting at $14,999.

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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