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  • Pacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLT

    $26,990

    $500
    126,645 mi.
    Est. $465/mo

    Bomnin Chevrolet Dadeland

    4.8
    Miami, FL (14 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLT

    $29,972

    110,959 mi.
    Est. $516/mo

    Rob Lambdin's University Dodge RAM

    3.6
    Davie, FL (18 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 Denali

    $37,980

    $309
    61,855 mi.
    Est. $654/mo

    North Miami Mitsubishi

    4.2
    Miami, FL (11 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

    $35,990

    45,966 mi.
    Est. $620/mo

    Ford of Kendall

    4.4
    Miami, FL (19 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 1500 Denali

    $37,995

    81,944 mi.
    Est. $655/mo

    Florida Fine Cars Miami

    5.0
    Miami, FL (12 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 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4

    $40,690

    35,252 mi.
    Est. $701/mo

    Lorenzo Buick GMC

    4.4
    Miami, FL (13 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

    $37,291

    $1K
    64,696 mi.
    Est. $643/mo

    Ed Morse Sawgrass Auto Mall

    4.3
    Sunrise, FL (26 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

    $33,990

    102,654 mi.
    Est. $586/mo

    Lorenzo Buick GMC

    4.4
    Miami, FL (13 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 Denali

    $42,790

    45,564 mi.
    Est. $737/mo

    Ford of Kendall

    4.4
    Miami, FL (19 mi)
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  • Cayenne Red 2021 GMC Sierra 1500 DenaliCayenne Red 2021 GMC Sierra 1500 DenaliCayenne Red 2021 GMC Sierra 1500 DenaliCayenne Red 2021 GMC Sierra 1500 DenaliCayenne Red 2021 GMC Sierra 1500 DenaliCayenne Red 2021 GMC Sierra 1500 Denali

    $39,490

    $500
    51,164 mi.
    Est. $680/mo

    Bomnin Chevrolet Dadeland

    4.8
    Miami, FL (14 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

    $36,990

    60,792 mi.
    Est. $637/mo

    Bomnin Chevrolet West Kendall

    4.9
    Miami, FL (21 mi)
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  • Onyx Black 2021 GMC Sierra 1500 SLEOnyx Black 2021 GMC Sierra 1500 SLEOnyx Black 2021 GMC Sierra 1500 SLEOnyx Black 2021 GMC Sierra 1500 SLEOnyx Black 2021 GMC Sierra 1500 SLEOnyx Black 2021 GMC Sierra 1500 SLE

    $33,079

    60,477 mi.
    Est. $570/mo

    Lou Bachrodt Pompano Chevrolet

    4.5
    Pompano Beach, FL (29 mi)
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  • White 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 Elevation

    $16,989

    1 mi.
    Est. $293/mo

    AE of Miami

    2.6
    Miami, FL (7 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

    Not Priced

    33,319 mi.

    Williamson Buick GMC

    4.6
    Miami, FL (15 mi)
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  • Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4

    $41,998

    $1K
    58,375 mi.
    Est. $724/mo

    CarMax Sanford

    5.0
    $149 delivery to Miami Lakes, FL (13 mi)
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  • White 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 ElevationWhite 2021 GMC Sierra 1500 Elevation

    $30,995

    79,968 mi.
    Est. $534/mo

    Dean Mitchell Auto Mall

    $531 delivery from Mobile, AL (591 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 Elevation

    $29,373

    83,124 mi.
    Est. $506/mo

    Arrigo Chrysler Dodge Jeep Ram of Margate

    4.2
    Margate, FL (31 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

    $33,895

    $299
    103,505 mi.
    Est. $584/mo

    Florida Fine Cars Margate

    5.0
    Margate, FL (31 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 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4

    $37,784

    $278
    73,685 mi.
    Est. $651/mo

    Toyota of Coconut Creek

    4.5
    Coconut Creek, FL (32 mi)
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  • Hunter Metallic 2021 GMC Sierra 1500 DenaliHunter Metallic 2021 GMC Sierra 1500 DenaliHunter Metallic 2021 GMC Sierra 1500 DenaliHunter Metallic 2021 GMC Sierra 1500 DenaliHunter Metallic 2021 GMC Sierra 1500 DenaliHunter Metallic 2021 GMC Sierra 1500 Denali

    $43,744

    $1.7K
    52,182 mi.
    Est. $754/mo

    Grieco Ford of Delray Beach

    2.7
    Delray Beach, FL (43 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 ElevationDark Sky Metallic 2021 GMC Sierra 1500 ElevationDark Sky Metallic 2021 GMC Sierra 1500 ElevationDark Sky Metallic 2021 GMC Sierra 1500 ElevationDark Sky Metallic 2021 GMC Sierra 1500 Elevation

    $34,539

    $4.7K
    74,734 mi.
    Est. $595/mo

    Sheehan Buick GMC

    4.7
    Lighthouse Point, FL (32 mi)
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  • $41,243

    58,213 mi.
    Est. $711/mo

    Delray Buick GMC

    4.8
    Delray Beach, FL (43 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $67,025 4 Good deals
2025 GMC Sierra 1500 $54,852 8 Good deals
2024 GMC Sierra 1500 $48,048 10 Good deals
2023 GMC Sierra 1500 $42,924 18 Good deals
2022 GMC Sierra 1500 $38,529 5 Good deals
2020 GMC Sierra 1500 $29,706 4 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 $36,315, with pricing starting at $12,999.

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 Reg Cab 140" 2WD Reg Cab 140" 2WD Crew Cab 147" 4WD Crew Cab 147" 4WD Crew Cab 157" 4WD Double Cab 147" 2WD Double Cab 147"
Inventory price
Starting at $34,700 Starting at $30,100 Starting at $36,400 Starting at $39,700 Starting at $40,000 Starting at $37,300 Starting at $34,000
Combined MPG
16 16 21 19 19 19 21
Engine
285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 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)

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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