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  • White Frost 2020 GMC Sierra 1500 SLTWhite Frost 2020 GMC Sierra 1500 SLT

    $35,324

    81,768 mi.
    Est. $614/mo

    Nye Automotive Group - Delivery from Oneida, NY (for Rochester, NY)

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    Online seller

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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

    $32,240

    80,407 mi.
    Est. $561/mo

    Vision Nissan of Webster

    4.0
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    Webster, NY (22 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

    $30,349

    $1.1K
    92,519 mi.
    Est. $528/mo

    Garber Chevrolet Subaru

    4.8
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    Webster, NY (21 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

    $27,815

    124,809 mi.
    Est. $484/mo

    Ridgeview Motors, Inc.

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    Spencerport, NY (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

    $38,627

    77,315 mi.
    Est. $672/mo

    Bidleman Chevrolet GMC

    4.7
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    Albion, NY (20 mi)
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  • Jet Black 2020 GMC Sierra 1500 AT4Jet Black 2020 GMC Sierra 1500 AT4Jet Black 2020 GMC Sierra 1500 AT4Jet Black 2020 GMC Sierra 1500 AT4Jet Black 2020 GMC Sierra 1500 AT4Jet Black 2020 GMC Sierra 1500 AT4

    $32,995

    $2K
    86,000 mi.
    Est. $574/mo

    White Horse Automotive

    4.0
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    Avon, NY (14 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

    $34,995

    $1.5K
    71,819 mi.
    Est. $609/mo

    Bob Johnson Used

    4.0
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    Rochester, NY (15 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

    $30,507

    114,126 mi.
    Est. $531/mo

    Toyota of Batavia

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    Batavia, NY (19 mi)
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  • Not Priced

    0 mi.
    Est. $0/mo

    Bob Johnson Used

    4.0
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    Rochester, NY (15 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

    $31,890

    $1.1K
    80,864 mi.
    Est. $555/mo

    Excel Auto Lounge

    4.6
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    $599 delivery from Hightstown, NJ (259 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

    $40,973

    39,690 mi.
    Est. $713/mo

    Jim Schmidt Chevrolet

    4.2
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    $562 delivery from Hicksville, OH (375 mi)
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  • Red Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLT

    $41,119

    49,734 mi.
    Est. $715/mo

    Tradition Chevrolet GMC

    4.7
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    Newark, NY (38 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

    $33,152

    $3K
    77,846 mi.
    Est. $577/mo

    Garber Randall

    4.8
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    Canandaigua, NY (31 mi)
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  • Satin Steel Metallic 2020 GMC Sierra 1500 4WD Crew Cab 147" Denali

    $37,962

    62,114 mi.
    Est. $660/mo

    Cappellino Buick GMC

    4.9
    Check Availability
    Williamsville, NY (43 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $59,989 2 Good deals
2025 GMC Sierra 1500 $48,924 10 Great deals
2024 GMC Sierra 1500 $45,529 7 Great deals
2023 GMC Sierra 1500 $43,674 6 Great deals
2022 GMC Sierra 1500 $40,780 5 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 $34,290, with pricing starting at $14,900.

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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Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed