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  • Cayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLT

    $36,953

    80,791 mi.
    Est. $680/mo

    Hardy Superstore

    4.8
    Check Availability
    Dallas, GA (30 mi)

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  • Ebony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 Elevation

    $27,897

    99,318 mi.
    Est. $514/mo

    John Miles Chevrolet Buick GMC

    4.2
    Check Availability
    Conyers, GA (18 mi)

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  • Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4

    $43,500

    $1.5K
    67,535 mi.
    Est. $801/mo

    Beaver Toyota Cumming

    4.7
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    Cumming, GA (29 mi)
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  • Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4

    $40,920

    63,007 mi.
    Est. $753/mo

    ALM Kia South

    4.2
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    Union City, GA (20 mi)
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  • Onyx Black 2021 GMC Sierra 1500 ElevationOnyx Black 2021 GMC Sierra 1500 ElevationOnyx Black 2021 GMC Sierra 1500 ElevationOnyx Black 2021 GMC Sierra 1500 ElevationOnyx Black 2021 GMC Sierra 1500 ElevationOnyx Black 2021 GMC Sierra 1500 Elevation

    $32,397

    88,711 mi.
    Est. $597/mo

    North Point Volvo Cars

    4.7
    Check Availability
    Alpharetta, GA (19 mi)
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  • Summit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLT

    $34,994

    71,867 mi.
    Est. $644/mo

    Gravity Autos Marietta

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    Marietta, GA (16 mi)
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  • Cardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 Elevation

    $29,797

    104,455 mi.
    Est. $549/mo

    Magnetism Motors

    3.8
    Check Availability
    Lawrenceville, GA (18 mi)
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  • Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4

    $36,788

    82,572 mi.
    Est. $677/mo

    Courtesy Chrysler Dodge Jeep Ram

    4.9
    Check Availability
    Stonecrest, GA (14 mi)

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  • Summit White 2021 GMC Sierra 1500 ElevationSummit White 2021 GMC Sierra 1500 ElevationSummit White 2021 GMC Sierra 1500 ElevationSummit White 2021 GMC Sierra 1500 ElevationSummit White 2021 GMC Sierra 1500 ElevationSummit White 2021 GMC Sierra 1500 Elevation

    $35,925

    89,470 mi.
    Est. $661/mo

    Rick Hendrick Chevrolet of Buford

    4.8
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    Buford, GA (29 mi)
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  • Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $44,981

    59,353 mi.
    Est. $828/mo

    Buddy Chevrolet

    4.1
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    Decatur, GA (5 mi)
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  • Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $39,796

    $201
    54,327 mi.
    Est. $733/mo

    Land Rover South Atlanta

    4.8
    Check Availability
    Atlanta, GA (20 mi)
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  • Onyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 Denali

    $35,840

    113,013 mi.
    Est. $660/mo

    ALM Mazda South

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    Morrow, GA (16 mi)
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  • Gray 2021 GMC Sierra 1500 ElevationGray 2021 GMC Sierra 1500 ElevationGray 2021 GMC Sierra 1500 ElevationGray 2021 GMC Sierra 1500 ElevationGray 2021 GMC Sierra 1500 ElevationGray 2021 GMC Sierra 1500 Elevation

    $27,495

    77,970 mi.
    Est. $506/mo

    Carzone

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    Conyers, GA (16 mi)
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  • Onyx Black 2021 GMC Sierra 1500 SLTOnyx Black 2021 GMC Sierra 1500 SLTOnyx Black 2021 GMC Sierra 1500 SLTOnyx Black 2021 GMC Sierra 1500 SLTOnyx Black 2021 GMC Sierra 1500 SLTOnyx Black 2021 GMC Sierra 1500 SLT

    $39,477

    53,817 mi.
    Est. $727/mo

    Jim Ellis Buick GMC

    4.5
    Check Availability
    Atlanta, GA (9 mi)

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  • Summit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLTSummit White 2021 GMC Sierra 1500 SLT

    $31,799

    $200
    73,494 mi.
    Est. $586/mo

    Gravity Autos Marietta

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    Marietta, GA (16 mi)
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  • Black 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 Elevation

    $22,995

    200,086 mi.
    Est. $423/mo

    Duluth Auto Exchange

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    Duluth, GA (18 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 DenaliDark Sky Metallic 2021 GMC Sierra 1500 DenaliDark Sky Metallic 2021 GMC Sierra 1500 DenaliDark Sky Metallic 2021 GMC Sierra 1500 DenaliDark Sky Metallic 2021 GMC Sierra 1500 DenaliDark Sky Metallic 2021 GMC Sierra 1500 Denali

    $39,950

    113,574 mi.
    Est. $736/mo

    Rick Hendrick Chevrolet of Buford

    4.8
    Check Availability
    Buford, GA (29 mi)
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  • Black 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 Denali

    $41,998

    68,279 mi.
    Est. $773/mo

    CarMax Norcross

    2.0
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    Norcross, GA (14 mi)
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  • $38,889

    90,185 mi.
    Est. $716/mo

    McDonough Hyundai

    4.4
    Check Availability
    McDonough, GA (26 mi)
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  • Cardinal Red 2021 GMC Sierra 1500 Elevation

    $34,995

    71,521 mi.
    Est. $644/mo

    Mall of Georgia Ford

    4.2
    Check Availability
    Buford, GA (28 mi)
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  • Onyx Black 2021 GMC Sierra 1500 SLT

    Not Priced

    56,567 mi.
    Est. $0/mo

    Carl Black Hiram

    5.0
    Check Availability
    Hiram, GA (29 mi)
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  • Blue 2021 GMC Sierra 1500 DenaliBlue 2021 GMC Sierra 1500 DenaliBlue 2021 GMC Sierra 1500 DenaliBlue 2021 GMC Sierra 1500 DenaliBlue 2021 GMC Sierra 1500 DenaliBlue 2021 GMC Sierra 1500 Denali

    $32,998

    102,518 mi.
    Est. $608/mo

    CarMax Jacksonville

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    $299 delivery to Norcross, GA (14 mi)
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  • Black 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 Elevation

    $35,998

    57,259 mi.
    Est. $663/mo

    CarMax Lexington

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    $249 delivery to Norcross, GA (14 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4

    $44,999

    49,077 mi.
    Est. $829/mo

    Athens Chevrolet

    4.7
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    Bogart, GA (46 mi)
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  • White Frost Tricoat 2021 GMC Sierra 1500 DenaliWhite Frost Tricoat 2021 GMC Sierra 1500 DenaliWhite Frost Tricoat 2021 GMC Sierra 1500 DenaliWhite Frost Tricoat 2021 GMC Sierra 1500 DenaliWhite Frost Tricoat 2021 GMC Sierra 1500 DenaliWhite Frost Tricoat 2021 GMC Sierra 1500 Denali

    $38,899

    83,500 mi.
    Est. $716/mo

    Countryside Chrysler Dodge Jeep RAM of Madison

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    Madison, GA (50 mi)
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  • Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4

    $38,800

    63,600 mi.
    Est. $714/mo

    Countryside Chrysler Dodge Jeep RAM

    2.8
    Check Availability
    Jackson, GA (39 mi)
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  • Summit White 2021 GMC Sierra 1500 SLT

    $34,920

    $1K
    75,010 mi.
    Est. $643/mo

    ALM Newnan

    4.3
    Check Availability
    Newnan, GA (36 mi)
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  • Summit White 2021 GMC Sierra 1500 AT4

    $34,450

    115,157 mi.
    Est. $634/mo

    Hardy Chevrolet Gainesville

    4.8
    Check Availability
    Gainesville, GA (44 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $64,527
2025 GMC Sierra 1500 $53,600 28 Great deals
2024 GMC Sierra 1500 $51,691 13 Great deals
2023 GMC Sierra 1500 $47,022 8 Great deals
2022 GMC Sierra 1500 $43,801 14 Good deals
2020 GMC Sierra 1500 $35,042 15 Good deals
2019 GMC Sierra 1500 $30,617 12 Good deals
2017 GMC Sierra 1500 $21,983 11 Good deals

About the 2021 GMC Sierra 1500

Basics

Base shown (base trim).

Seating
3
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
16
Transmission
6-Speed A/T
Engine
285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
Side view of the 2021 GMC Sierra 1500
FAQs

How much does the 2021 GMC Sierra 1500 cost?

The 2021 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 2021 Sierra 1500 is $35,833, with pricing starting at $13,900.

What is the MPG of the 2021 GMC Sierra 1500?

The 2021 GMC Sierra 1500 offers up to 14 MPG in city driving and 19 MPG on the highway for a combined rating of 16 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 2021 GMC Sierra 1500?

The 2021 GMC Sierra 1500 compares to and/or competes against the following vehicles:


Is the 2021 GMC Sierra 1500 reliable?

The 2021 GMC Sierra 1500 has an average reliability rating of 3.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Sierra 1500 owners.

Is the 2021 GMC Sierra 1500 a good truck?

Below are the Cars.com consumer ratings for the 2021 GMC Sierra 1500.

(56 reviews)
Rating breakdown (out of 5):
Comfort
4.2
Interior
4.2
Performance
3.8
Value
3.6
Exterior
4.3
Reliability
3.5
Ratings (56 reviews)

60% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.2
Interior
4.2
Performance
3.8
Value
3.6
Exterior
4.3
Reliability
3.5
Trims

AT4 (2 styles)

Style
4WD Crew Cab 157" AT4 4WD Crew Cab 147" AT4
Inventory price
Starting at $55,900 Starting at $54,700
Combined MPG
16 17
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)

Base (7 styles)

Style
4WD Double Cab 147" 2WD Double Cab 147" 2WD Crew Cab 147" 4WD Crew Cab 147" 4WD Crew Cab 157" 4WD Reg Cab 140" 2WD Reg Cab 140"
Inventory price
Starting at $37,300 Starting at $34,000 Starting at $36,400 Starting at $39,700 Starting at $40,000 Starting at $34,700 Starting at $30,100
Combined MPG
19 21 21 19 19 16 16
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) 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 (3 styles)

Style
2WD Crew Cab 147" Denali 4WD Crew Cab 147" Denali 4WD Crew Cab 157" Denali
Inventory price
Starting at $55,800 Starting at $59,300 Starting at $59,600
Combined MPG
17 18 18
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)

Elevation (7 styles)

Style
4WD Double Cab 147" Elevation w/3VL 4WD Crew Cab 147" Elevation w/3VL 4WD Crew Cab 157" Elevation 2WD Double Cab 147" Elevation 4WD Double Cab 147" Elevation w/3SB 4WD Crew Cab 147" Elevation w/3SB 2WD Crew Cab 147" Elevation
Inventory price
Starting at $44,600 Starting at $47,200 Starting at $49,300 Starting at $43,100 Starting at $46,400 Starting at $49,000 Starting at $45,700
Combined MPG
19 19 19 21 19 19 21
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) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel)

SLE (5 styles)

Style
4WD Crew Cab 147" SLE 4WD Crew Cab 157" SLE 2WD Double Cab 147" SLE 2WD Crew Cab 147" SLE 4WD Double Cab 147" SLE
Inventory price
Starting at $47,100 Starting at $47,400 Starting at $41,400 Starting at $43,800 Starting at $44,700
Combined MPG
19 19 21 21 19
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)

SLT (3 styles)

Style
4WD Crew Cab 147" SLT 2WD Crew Cab 147" SLT 4WD Crew Cab 157" SLT
Inventory price
Starting at $50,800 Starting at $47,500 Starting at $51,100
Combined MPG
18 17 18
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)
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