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  • White 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 Elevation

    $31,888

    90,817 mi.
    Est. $580/mo

    Route 1 Chrysler Dodge Jeep Ram

    4.7
    Check Availability
    Lawrence Township, NJ (27 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

    $42,495

    $1.2K
    53,543 mi.
    Est. $772/mo

    Automotive Avenues Sewell

    5.0
    Check Availability
    Washington Township, NJ (16 mi)

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  • Yellow 2020 GMC Sierra 1500 SLTYellow 2020 GMC Sierra 1500 SLTYellow 2020 GMC Sierra 1500 SLTYellow 2020 GMC Sierra 1500 SLTYellow 2020 GMC Sierra 1500 SLTYellow 2020 GMC Sierra 1500 SLT

    $34,995

    102,312 mi.
    Est. $636/mo

    Bristol Auto Mall

    4.9
    Check Availability
    Levittown, PA (16 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

    $31,785

    97,004 mi.
    Est. $578/mo

    Bergey's Ford of Lansdale

    4.9
    Check Availability
    Lansdale, PA (25 mi)
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  • Carbon Black Metallic 2020 GMC Sierra 1500 ElevationCarbon Black Metallic 2020 GMC Sierra 1500 ElevationCarbon Black Metallic 2020 GMC Sierra 1500 ElevationCarbon Black Metallic 2020 GMC Sierra 1500 ElevationCarbon Black Metallic 2020 GMC Sierra 1500 ElevationCarbon Black Metallic 2020 GMC Sierra 1500 Elevation

    $28,988

    $900
    86,193 mi.
    Est. $527/mo

    Discount Auto

    Check Availability
    Langhorne, PA (18 mi)
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  • Quicksilver Metallic 2020 GMC Sierra 1500 DENALIQuicksilver Metallic 2020 GMC Sierra 1500 DENALIQuicksilver Metallic 2020 GMC Sierra 1500 DENALIQuicksilver Metallic 2020 GMC Sierra 1500 DENALIQuicksilver Metallic 2020 GMC Sierra 1500 DENALIQuicksilver Metallic 2020 GMC Sierra 1500 DENALI

    $65,385

    24,592 mi.
    Est. $1,189/mo

    Bergey's Ford of Lansdale

    4.9
    Check Availability
    Lansdale, PA (25 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

    $24,494

    109,651 mi.
    Est. $445/mo

    Grace Auto Group

    4.7
    Check Availability
    Morrisville, PA (20 mi)
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  • Onyx Black 2020 GMC Sierra 1500 SLEOnyx Black 2020 GMC Sierra 1500 SLEOnyx Black 2020 GMC Sierra 1500 SLEOnyx Black 2020 GMC Sierra 1500 SLEOnyx Black 2020 GMC Sierra 1500 SLEOnyx Black 2020 GMC Sierra 1500 SLE

    $33,297

    $289
    36,625 mi.
    Est. $605/mo

    Weathers Motors

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    Media, PA (24 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

    $41,000

    35,971 mi.
    Est. $745/mo

    Burlington Chrysler Dodge Jeep RAM

    3.3
    Check Availability
    Burlington, NJ (10 mi)
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  • Dark Sky Metallic 2020 GMC Sierra 1500 SLT

    $35,787

    $200
    82,482 mi.
    Est. $651/mo

    Elite Acura

    4.9
    Check Availability
    Maple Shade, NJ (2 mi)
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  • Satin Steel Metallic 2020 GMC Sierra 1500 SLESatin Steel Metallic 2020 GMC Sierra 1500 SLESatin Steel Metallic 2020 GMC Sierra 1500 SLESatin Steel Metallic 2020 GMC Sierra 1500 SLESatin Steel Metallic 2020 GMC Sierra 1500 SLESatin Steel Metallic 2020 GMC Sierra 1500 SLE

    $29,495

    81,690 mi.
    Est. $536/mo

    Bob Johnson Used

    4.0
    Check Availability
    $399 delivery from Rochester, NY (255 mi)
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  • Red 2020 GMC Sierra 1500 SLTRed 2020 GMC Sierra 1500 SLTRed 2020 GMC Sierra 1500 SLTRed 2020 GMC Sierra 1500 SLTRed 2020 GMC Sierra 1500 SLTRed 2020 GMC Sierra 1500 SLT

    $33,998

    55,957 mi.
    Est. $618/mo

    CarMax Buford

    Check Availability
    $299 delivery to Maple Shade Township, NJ (1 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

    $39,995

    46,453 mi.
    Est. $727/mo

    Automotive Avenues

    4.8
    Check Availability
    Wall Township, NJ (50 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

    $40,695

    51,949 mi.
    Est. $740/mo

    Bergey's Buick GMC

    4.6
    Check Availability
    Souderton, PA (32 mi)
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  • Steel Metallic 2020 GMC Sierra 1500 SLTSteel Metallic 2020 GMC Sierra 1500 SLTSteel Metallic 2020 GMC Sierra 1500 SLTSteel Metallic 2020 GMC Sierra 1500 SLTSteel Metallic 2020 GMC Sierra 1500 SLTSteel Metallic 2020 GMC Sierra 1500 SLT

    $31,812

    114,481 mi.
    Est. $578/mo

    i.g. Burton Buick GMC of Elkton

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    Elkton, MD (49 mi)
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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

    $45,995

    30,035 mi.
    Est. $836/mo

    Automotive Avenues

    4.8
    Check Availability
    Wall Township, NJ (50 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

    $36,090

    78,215 mi.
    Est. $656/mo

    Malouf GMC, Inc.

    4.9
    Check Availability
    North Brunswick, NJ (44 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

    $33,687

    125,740 mi.
    Est. $612/mo

    Star GMC of Quakertown

    4.2
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    Quakertown, PA (40 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

    $30,192

    $297
    151,933 mi.
    Est. $549/mo

    Kelly Buick GMC

    4.6
    Check Availability
    Emmaus, PA (49 mi)
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  • White 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 ElevationWhite 2020 GMC Sierra 1500 Elevation

    $36,998

    57,365 mi.
    Est. $673/mo

    CarMax Newark

    1.3
    Check Availability
    Newark, DE (43 mi)
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  • Onyx Black 2020 GMC Sierra 1500 Denali

    $36,495

    $250
    114,183 mi.
    Est. $663/mo

    Videon Chevrolet of Phoenixville

    4.8
    Check Availability
    Phoenixville, PA (31 mi)
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  • Dark Sky Metallic 2020 GMC Sierra 1500 Denali

    $35,995

    88,090 mi.
    Est. $654/mo

    Lester Glenn GMC

    4.9
    Check Availability
    Toms River, NJ (44 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $66,871 4 Good deals
2024 GMC Sierra 1500 $48,621 9 Good deals
2023 GMC Sierra 1500 $47,027 11 Good deals
2022 GMC Sierra 1500 $41,888 7 Good deals
2021 GMC Sierra 1500 $36,037 5 Great deals
2017 GMC Sierra 1500 $22,432 6 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 $34,161, with pricing starting at $14,799.

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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