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  • Steel Metallic 2020 GMC Sierra 1500 SLESteel Metallic 2020 GMC Sierra 1500 SLESteel Metallic 2020 GMC Sierra 1500 SLESteel Metallic 2020 GMC Sierra 1500 SLESteel Metallic 2020 GMC Sierra 1500 SLESteel Metallic 2020 GMC Sierra 1500 SLE

    $24,799

    116,869 mi.
    Est. $448/mo

    LaFontaine Buick GMC of Ann Arbor

    4.8
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    Ann Arbor, MI (24 mi)

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  • Black 2020 GMC Sierra 1500 ElevationBlack 2020 GMC Sierra 1500 ElevationBlack 2020 GMC Sierra 1500 ElevationBlack 2020 GMC Sierra 1500 ElevationBlack 2020 GMC Sierra 1500 ElevationBlack 2020 GMC Sierra 1500 Elevation

    $26,995

    81,238 mi.
    Est. $488/mo

    Elizabeth Lake Auto Sales LLC

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    Waterford, MI (30 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

    $27,319

    178,774 mi.
    Est. $494/mo

    Champion Hargreaves Chevrolet

    4.7
    Check Availability
    Royal Oak, MI (24 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 Denali

    $34,699

    $100
    106,836 mi.
    Est. $627/mo

    LaFontaine Buick GMC of Dearborn

    4.8
    Check Availability
    Dearborn, MI (12 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 Denali

    $26,995

    101,233 mi.
    Est. $488/mo

    Road Runner Auto Sales

    3.7
    Check Availability
    Wayne, MI (6 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

    $34,650

    64,066 mi.
    Est. $626/mo

    Allen Chevrolet Cadillac

    4.0
    Check Availability
    Monroe, MI (23 mi)
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  • Summit White 2020 GMC Sierra 1500 SLESummit White 2020 GMC Sierra 1500 SLESummit White 2020 GMC Sierra 1500 SLESummit White 2020 GMC Sierra 1500 SLESummit White 2020 GMC Sierra 1500 SLESummit White 2020 GMC Sierra 1500 SLE

    $16,495

    233,482 mi.
    Est. $298/mo

    Suburban Chevrolet Cadillac of Ann Arbor

    4.3
    Check Availability
    Ann Arbor, MI (24 mi)
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  • $41,995

    72,682 mi.
    Est. $759/mo

    Taylor Chevrolet

    4.3
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    Taylor, MI (5 mi)
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  • Summit White 2020 GMC Sierra 1500 SLT

    $31,742

    96,350 mi.
    Est. $574/mo

    Suburban Honda

    4.6
    Check Availability
    Farmington Hills, MI (19 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 Elevation

    Not Priced

    33,053 mi.
    Est. $0/mo

    Groulx Automotive GMC

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    Monroe, MI (23 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

    $33,412

    $500
    95,905 mi.
    Est. $604/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    $299 delivery from Naperville, IL (251 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

    $37,412

    71,348 mi.
    Est. $676/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    $352 delivery from Gurnee, IL (235 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

    $32,200

    $500
    105,530 mi.
    Est. $582/mo

    Serra Mazda Brighton

    4.8
    Check Availability
    Brighton, MI (33 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

    $30,249

    99,018 mi.
    Est. $547/mo

    Serra Buick GMC Rochester Hills

    4.7
    Check Availability
    Rochester Hills, MI (34 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

    $22,900

    160,637 mi.
    Est. $414/mo

    Marsh Auto Sales LLC

    4.7
    Check Availability
    Brandon Twp, MI (45 mi)
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  • Blue 2020 GMC Sierra 1500 SLEBlue 2020 GMC Sierra 1500 SLEBlue 2020 GMC Sierra 1500 SLEBlue 2020 GMC Sierra 1500 SLEBlue 2020 GMC Sierra 1500 SLEBlue 2020 GMC Sierra 1500 SLE

    $23,279

    117,258 mi.
    Est. $421/mo

    Suburban Ford of Waterford

    4.1
    Check Availability
    Waterford, MI (32 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

    $30,250

    $500
    93,784 mi.
    Est. $547/mo

    Rochester Hills Chrysler Dodge Jeep RAM

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    Rochester Hills, MI (34 mi)
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  • White 2020 GMC Sierra 1500 AT4White 2020 GMC Sierra 1500 AT4White 2020 GMC Sierra 1500 AT4White 2020 GMC Sierra 1500 AT4White 2020 GMC Sierra 1500 AT4White 2020 GMC Sierra 1500 AT4

    $33,575

    97,793 mi.
    Est. $607/mo

    Suburban Ford of Romeo

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    Washington Twp, MI (42 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

    $35,660

    68,068 mi.
    Est. $644/mo

    Skalnek Ford

    3.2
    Check Availability
    Lake Orion, MI (38 mi)
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  • Silver 2020 GMC Sierra 1500 SLTSilver 2020 GMC Sierra 1500 SLTSilver 2020 GMC Sierra 1500 SLTSilver 2020 GMC Sierra 1500 SLTSilver 2020 GMC Sierra 1500 SLTSilver 2020 GMC Sierra 1500 SLT

    $31,995

    34,928 mi.
    Est. $578/mo

    Macomb Automotive

    Check Availability
    New Haven, MI (46 mi)
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  • $27,304

    102,093 mi.
    Est. $493/mo

    Greg Bell Chevrolet Cadillac

    4.6
    Check Availability
    Adrian, MI (43 mi)
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  • Cardinal Red 2020 GMC Sierra 1500 Elevation

    $33,596

    73,968 mi.
    Est. $607/mo

    Yark Chevrolet

    4.8
    Check Availability
    Perrysburg, OH (49 mi)
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  • Gray 2020 GMC Sierra 1500 Base

    $29,998

    67,792 mi.
    Est. $542/mo

    Perrysburg Automall

    4.7
    Check Availability
    Perrysburg, OH (49 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $58,394 1 Good deal
2025 GMC Sierra 1500 $51,376 2 Good deals
2024 GMC Sierra 1500 $46,568 19 Good deals
2023 GMC Sierra 1500 $47,234 10 Great deals
2021 GMC Sierra 1500 $32,970 8 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 $34,371, 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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