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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

    $38,498

    $801
    19,239 mi.
    Est. $702/mo

    Pensacola Honda

    4.9
    Check Availability
    Pensacola, FL (16 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4

    $39,412

    89,811 mi.
    Est. $719/mo

    Sandy Sansing Mazda

    4.7
    Check Availability
    Pensacola, FL (16 mi)
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  • White 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLT

    $35,990

    $500
    80,926 mi.
    Est. $657/mo

    David Scott Lee Buick GMC

    4.7
    Check Availability
    Crestview, FL (30 mi)
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  • Red 2021 GMC Sierra 1500 AT4Red 2021 GMC Sierra 1500 AT4Red 2021 GMC Sierra 1500 AT4Red 2021 GMC Sierra 1500 AT4Red 2021 GMC Sierra 1500 AT4Red 2021 GMC Sierra 1500 AT4

    $41,445

    70,716 mi.
    Est. $756/mo

    Sandy Sansing Chevrolet

    4.6
    Check Availability
    Pensacola, FL (16 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4

    $42,890

    $100
    48,208 mi.
    Est. $782/mo

    David Scott Lee Buick GMC

    4.7
    Check Availability
    Crestview, FL (30 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

    $37,980

    91,550 mi.
    Est. $693/mo

    Sandy Sansing Chevrolet

    4.6
    Check Availability
    Pensacola, FL (16 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLT

    $33,991

    96,906 mi.
    Est. $620/mo

    Step One Buick GMC Cadillac Pensacola

    3.9
    Check Availability
    Pensacola, FL (17 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 Elevation

    $30,827

    $1.6K
    94,846 mi.
    Est. $562/mo

    David Scott Lee Buick GMC

    4.7
    Check Availability
    Crestview, FL (30 mi)
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  • White 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLT

    $29,290

    $200
    123,177 mi.
    Est. $534/mo

    David Scott Lee Buick GMC

    4.7
    Check Availability
    Crestview, FL (30 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

    $33,990

    $1K
    83,648 mi.
    Est. $620/mo

    David Scott Lee Buick GMC

    4.7
    Check Availability
    Crestview, FL (30 mi)
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  • Summit White 2021 GMC Sierra 1500 ElevationSummit White 2021 GMC Sierra 1500 Elevation

    $36,951

    46,825 mi.
    Est. $674/mo

    Step One Buick GMC Cadillac Pensacola

    3.9
    Check Availability
    Pensacola, FL (17 mi)
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  • Black 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLTBlack 2021 GMC Sierra 1500 SLT

    $38,998

    65,130 mi.
    Est. $711/mo

    CarMax Germantown

    Check Availability
    $299 delivery to Pensacola, FL (16 mi)
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  • Gray 2021 GMC Sierra 1500 DenaliGray 2021 GMC Sierra 1500 DenaliGray 2021 GMC Sierra 1500 DenaliGray 2021 GMC Sierra 1500 DenaliGray 2021 GMC Sierra 1500 DenaliGray 2021 GMC Sierra 1500 Denali

    $45,998

    44,146 mi.
    Est. $839/mo

    CarMax Jacksonville

    Check Availability
    $249 delivery to Pensacola, FL (16 mi)
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  • Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4

    $44,987

    68,994 mi.
    Est. $821/mo

    Greenville Chrysler Dodge Jeep RAM

    4.7
    Check Availability
    Greenville, AL (89 mi)
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  • White 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLE

    $29,995

    99,077 mi.
    Est. $547/mo

    Carfinders Auto Outlet

    5.0
    Check Availability
    eight mile, AL (67 mi)
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  • $38,997

    67,950 mi.
    Est. $711/mo

    Sam Boswell Buick GMC

    Check Availability
    Enterprise, AL (85 mi)
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  • $33,704

    129,379 mi.
    Est. $615/mo

    Sam Boswell Buick GMC

    Check Availability
    Enterprise, AL (85 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 1500 SLT

    $32,299

    $200
    108,383 mi.
    Est. $589/mo

    Walt Massey Chevrolet GMC Lucedale

    4.8
    Check Availability
    Lucedale, MS (92 mi)
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  • Onyx Black 2021 GMC Sierra 1500 SLT

    Not Priced

    104,098 mi.

    Walt Massey Chevrolet GMC Lucedale

    4.8
    Check Availability
    Lucedale, MS (92 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $61,675 1 Good deal
2025 GMC Sierra 1500 $47,453 5 Good deals
2024 GMC Sierra 1500 $58,688 8 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 $35,879, with pricing starting at $13,987.

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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