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  • Dark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLEDark Sky Metallic 2020 GMC Sierra 1500 SLE

    $25,995

    $224
    72,766 mi.
    Est. $470/mo

    Ed Rinke Chevrolet-Buick-GMC Co.

    4.7
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    Center Line, MI (14 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

    $31,419

    99,018 mi.
    Est. $568/mo

    Serra Buick GMC Rochester Hills

    4.8
    Check Availability
    Rochester Hills, MI (7 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 (18 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 (27 mi)
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  • Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4

    $35,895

    $500
    86,418 mi.
    Est. $649/mo

    Suburban Buick GMC of Troy

    4.1
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    Troy, MI (13 mi)
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  • Gray 2020 GMC Sierra 1500 ElevationGray 2020 GMC Sierra 1500 ElevationGray 2020 GMC Sierra 1500 ElevationGray 2020 GMC Sierra 1500 ElevationGray 2020 GMC Sierra 1500 ElevationGray 2020 GMC Sierra 1500 Elevation

    $19,900

    172,616 mi.
    Est. $360/mo

    Marsh Auto Sales LLC

    4.7
    Check Availability
    Brandon Twp, MI (27 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

    $32,350

    $918
    99,635 mi.
    Est. $585/mo

    Pat Milliken Ford

    4.8
    Check Availability
    Redford, MI (26 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

    $29,995

    $500
    65,115 mi.
    Est. $542/mo

    Car Dome Auto Sales

    4.9
    Check Availability
    Detroit, MI (23 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

    $31,250

    93,784 mi.
    Est. $565/mo

    Rochester Hills Chrysler Dodge Jeep RAM

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    Rochester Hills, MI (7 mi)
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  • Red Quartz Tintcoat 2020 GMC Sierra 1500 SLERed Quartz Tintcoat 2020 GMC Sierra 1500 SLERed Quartz Tintcoat 2020 GMC Sierra 1500 SLERed Quartz Tintcoat 2020 GMC Sierra 1500 SLERed Quartz Tintcoat 2020 GMC Sierra 1500 SLERed Quartz Tintcoat 2020 GMC Sierra 1500 SLE

    $23,563

    $458
    104,339 mi.
    Est. $426/mo

    Feldman Chevrolet of Novi

    3.5
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    Novi, MI (28 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

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    New Haven, MI (12 mi)
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  • $35,874

    106,836 mi.
    Est. $648/mo

    LaFontaine Buick GMC of Dearborn

    4.8
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    Dearborn, MI (27 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. $533/mo

    Bob Johnson Used

    4.0
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    $414 delivery from Rochester, NY (276 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

    $37,990

    75,445 mi.
    Est. $687/mo

    Bentley Indianapolis

    4.2
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    $436 delivery from Indianapolis, IN (250 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

    $32,288

    $1K
    97,088 mi.
    Est. $584/mo

    Vic Canever Chevrolet

    4.4
    Check Availability
    Fenton, MI (39 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

    $33,460

    105,530 mi.
    Est. $605/mo

    Serra Mazda Brighton

    4.8
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    Brighton, MI (42 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

    $30,095

    $555
    113,306 mi.
    Est. $544/mo

    Champion Chevrolet of Howell

    4.4
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    Howell, MI (45 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

    $22,975

    185,505 mi.
    Est. $415/mo

    75 North Auto Sales

    3.8
    Check Availability
    Flint, MI (41 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

    $39,000

    70,752 mi.
    Est. $705/mo

    Shea Buick GMC

    4.3
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    Flint, MI (46 mi)
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  • Onyx Black 2020 GMC Sierra 1500 BaseOnyx Black 2020 GMC Sierra 1500 BaseOnyx Black 2020 GMC Sierra 1500 BaseOnyx Black 2020 GMC Sierra 1500 BaseOnyx Black 2020 GMC Sierra 1500 BaseOnyx Black 2020 GMC Sierra 1500 Base

    $25,000

    95,823 mi.
    Est. $452/mo

    Shea Buick GMC

    4.3
    Check Availability
    Flint, MI (46 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

    $27,988

    67,012 mi.
    Est. $506/mo

    LaFontaine Chrysler Jeep Dodge RAM Fenton

    4.4
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    Fenton, MI (39 mi)
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  • Black 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLTBlack 2020 GMC Sierra 1500 SLT

    $32,991

    $279
    75,720 mi.
    Est. $596/mo

    Cawood Honda

    5.0
    Check Availability
    Port Huron, MI (37 mi)
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  • $41,995

    72,682 mi.
    Est. $759/mo

    Taylor Chevrolet

    4.3
    Check Availability
    Taylor, MI (36 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $53,202
2025 GMC Sierra 1500 $44,843 5 Good deals
2024 GMC Sierra 1500 $49,225 14 Good deals
2023 GMC Sierra 1500 $46,208 16 Good deals
2021 GMC Sierra 1500 $32,150 5 Good deals
2017 GMC Sierra 1500 $20,163 5 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 $34,146, 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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