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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

    $27,691

    $1K
    65,655 mi.
    Est. $487/mo

    AutoNation Chevrolet Arrowhead

    4.5
    Check Availability
    Peoria, AZ (11 mi)

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  • Dark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 Denali

    $39,274

    $375
    67,964 mi.
    Est. $690/mo

    Bell Road Mitsubishi

    4.4
    Check Availability
    Phoenix, AZ (7 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

    $32,991

    110,313 mi.
    Est. $580/mo

    Ideal Cars Alma School

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    Mesa, AZ (18 mi)
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  • Summit White 2020 GMC Sierra 1500 BaseSummit White 2020 GMC Sierra 1500 BaseSummit White 2020 GMC Sierra 1500 BaseSummit White 2020 GMC Sierra 1500 BaseSummit White 2020 GMC Sierra 1500 BaseSummit White 2020 GMC Sierra 1500 Base

    $26,290

    85,257 mi.
    Est. $462/mo

    AutoNation Chevrolet Gilbert

    4.7
    Check Availability
    Gilbert, AZ (27 mi)
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  • Quicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLE

    $30,689

    91,000 mi.
    Est. $539/mo

    Lifted Trucks - Scottsdale

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    Scottsdale, AZ (13 mi)
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  • Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4

    $38,998

    85,510 mi.
    Est. $685/mo

    CarMax Phoenix-Gilbert

    4.7
    Check Availability
    Gilbert, AZ (28 mi)
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  • Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4

    $42,357

    47,437 mi.
    Est. $744/mo

    Henry Brown Buick GMC

    4.8
    Check Availability
    Gilbert, AZ (28 mi)
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  • Satin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 Elevation

    $33,150

    76,761 mi.
    Est. $582/mo

    Earnhardt Chrysler Jeep Dodge RAM

    4.8
    Check Availability
    Gilbert, AZ (28 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

    $35,991

    76,423 mi.
    Est. $632/mo

    Mark Kia

    4.1
    Check Availability
    Scottsdale, AZ (14 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

    $26,209

    144,699 mi.
    Est. $461/mo

    Liberty GMC

    4.5
    Check Availability
    Peoria, AZ (10 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

    $38,962

    59,659 mi.
    Est. $685/mo

    Van Chevrolet

    4.6
    Check Availability
    Scottsdale, AZ (13 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

    $34,999

    $341
    98,059 mi.
    Est. $615/mo

    STG Auto Group Of Chandler

    2.6
    Check Availability
    Chandler, AZ (21 mi)
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  • BLACK 2020 GMC Sierra 1500 AT4BLACK 2020 GMC Sierra 1500 AT4BLACK 2020 GMC Sierra 1500 AT4BLACK 2020 GMC Sierra 1500 AT4BLACK 2020 GMC Sierra 1500 AT4BLACK 2020 GMC Sierra 1500 AT4

    $33,630

    118,460 mi.
    Est. $591/mo

    101 AUTO OUTLET

    4.0
    Check Availability
    Scottsdale, AZ (8 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

    $41,598

    51,419 mi.
    Est. $731/mo

    SAG Auto Sales

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    Surprise, AZ (19 mi)
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  • Quicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLEQuicksilver Metallic 2020 GMC Sierra 1500 SLE

    $20,995

    120,963 mi.
    Est. $369/mo

    Carz R Us LLC

    3.0
    Check Availability
    Mesa, AZ (29 mi)
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  • $38,184

    $796
    5,785 mi.
    Est. $671/mo

    Yates Buick GMC

    3.3
    Check Availability
    Goodyear, AZ (17 mi)
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  • Summit White 2020 GMC Sierra 1500 AT4

    $34,588

    $706
    95,119 mi.
    Est. $608/mo

    AutoNation Subaru Scottsdale

    4.6
    Check Availability
    Scottsdale, AZ (13 mi)
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  • Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4Black 2020 GMC Sierra 1500 AT4

    $35,998

    107,021 mi.
    Est. $633/mo

    CarMax Wichita

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    $599 delivery to Tolleson, AZ (13 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

    $37,654

    98,512 mi.
    Est. $662/mo

    Shottenkirk Toyota of Granbury

    4.4
    Check Availability
    $1,255 delivery from Granbury, TX (837 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

    $41,998

    48,302 mi.
    Est. $738/mo

    Horne Freedom Ford

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    Thatcher, AZ (146 mi)
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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

    $40,794

    64,303 mi.
    Est. $717/mo

    Volvo Cars Tucson

    3.9
    Check Availability
    Tucson, AZ (110 mi)
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  • White Frost Tricoat 2020 GMC Sierra 1500 SLTWhite Frost Tricoat 2020 GMC Sierra 1500 SLTWhite Frost Tricoat 2020 GMC Sierra 1500 SLTWhite Frost Tricoat 2020 GMC Sierra 1500 SLTWhite Frost Tricoat 2020 GMC Sierra 1500 SLTWhite Frost Tricoat 2020 GMC Sierra 1500 SLT

    $39,990

    $1K
    66,490 mi.
    Est. $703/mo

    Quebedeaux Buick GMC

    4.5
    Check Availability
    Tucson, AZ (115 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

    $38,079

    95,923 mi.
    Est. $669/mo

    Royal Buick GMC Cadillac

    4.7
    Check Availability
    Tucson, AZ (110 mi)
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  • Red Quartz Tintcoat 2020 GMC Sierra 1500 ElevationRed Quartz Tintcoat 2020 GMC Sierra 1500 ElevationRed Quartz Tintcoat 2020 GMC Sierra 1500 ElevationRed Quartz Tintcoat 2020 GMC Sierra 1500 ElevationRed Quartz Tintcoat 2020 GMC Sierra 1500 ElevationRed Quartz Tintcoat 2020 GMC Sierra 1500 Elevation

    $38,572

    $500
    71,158 mi.
    Est. $678/mo

    Bill Luke Marana

    4.5
    Check Availability
    Tucson, AZ (100 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

    $35,278

    $500
    72,381 mi.
    Est. $620/mo

    Earnhardt Queen Creek Chrysler Dodge Jeep Ram

    4.8
    Check Availability
    Queen Creek, AZ (37 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $59,257 10 Great deals
2025 GMC Sierra 1500 $53,997 9 Great deals
2024 GMC Sierra 1500 $52,332 8 Great deals
2023 GMC Sierra 1500 $49,771 6 Great deals
2022 GMC Sierra 1500 $49,044 5 Great deals
2021 GMC Sierra 1500 $37,102 7 Great deals
2019 GMC Sierra 1500 $36,093 1 Good deal
2018 GMC Sierra 1500 $30,133 3 Good deals
2017 GMC Sierra 1500 $25,133 2 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 $34,160, with pricing starting at $350.

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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