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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 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 Denali

    $39,490

    $500
    49,408 mi.
    Est. $718/mo

    Bomnin Chevrolet Buick GMC Nanuet

    4.7
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    Nanuet, NY (12 mi)

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  • Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4

    $33,033

    70,755 mi.
    Est. $600/mo

    Euro Motor Haus

    4.4
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    Great Neck, NY (22 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

    $41,985

    50,741 mi.
    Est. $763/mo

    Sawyer Lyons Buick GMC of Randolph

    3.6
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    Randolph, NJ (29 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

    $44,900

    $450
    35,666 mi.
    Est. $816/mo

    Vantage Auto

    4.1
    Check Availability
    Moonachie, NJ (8 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

    $40,497

    69,255 mi.
    Est. $736/mo

    NIELSEN FORD OF MORRISTOWN

    3.7
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    Morristown, NJ (23 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

    $34,910

    75,901 mi.
    Est. $635/mo

    Sawyer Lyons Buick GMC of Randolph

    3.6
    Check Availability
    Randolph, NJ (29 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4

    $32,785

    $2.5K
    93,937 mi.
    Est. $596/mo

    Fast Track Motors

    3.4
    Check Availability
    Paterson, NJ (5 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 SLEDark Sky Metallic 2021 GMC Sierra 1500 SLE

    $32,493

    $1K
    63,845 mi.
    Est. $591/mo

    NIELSEN FORD OF MORRISTOWN

    3.7
    Check Availability
    Morristown, NJ (23 mi)
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  • Not Priced

    85,686 mi.
    Est. $0/mo

    McGuire Buick GMC Little Falls

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    Little Falls, NJ (9 mi)
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  • $32,995

    32,060 mi.
    Est. $600/mo

    Elite Auto Mall

    4.7
    Check Availability
    queens, NY (19 mi)
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  • Not Priced

    104,827 mi.
    Est. $0/mo

    East Hills Chevrolet of Roslyn

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    Roslyn, NY (24 mi)
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  • $46,025

    19,571 mi.
    Est. $837/mo

    Bill Volz's Westchester

    4.1
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    Cortlandt Manor, NY (27 mi)
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  • Not Priced

    104,869 mi.
    Est. $0/mo

    Sawyer Lyons Buick GMC of Randolph

    3.6
    Check Availability
    Randolph, NJ (29 mi)
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  • White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4White 2021 GMC Sierra 1500 AT4

    $44,998

    39,517 mi.
    Est. $818/mo

    CarMax Green Brook

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    Free delivery to Wayne, NJ (11 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 Elevation

    $32,518

    $2.4K
    43,533 mi.
    Est. $591/mo

    Irwin Automotive Group

    4.7
    Check Availability
    Free delivery from Laconia, NH (224 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

    $39,999

    69,255 mi.
    Est. $727/mo

    Franklin Sussex Auto Mall

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    North Sussex, NJ (32 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

    $31,995

    $770
    70,505 mi.
    Est. $582/mo

    Green Brook Chevrolet Buick GMC

    3.9
    Check Availability
    Green Brook Township, NJ (32 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

    $46,025

    19,571 mi.
    Est. $837/mo

    Meadowland of Carmel

    4.2
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    Carmel, NY (39 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

    $40,075

    44,934 mi.
    Est. $729/mo

    Security Dodge Chrysler Jeep RAM

    4.8
    Check Availability
    Amityville, NY (40 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 Elevation

    $40,345

    $440
    27,562 mi.
    Est. $733/mo

    Gold Coast Cadillac

    4.9
    Check Availability
    Oakhurst, NJ (47 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLT

    $36,480

    44,239 mi.
    Est. $663/mo

    Blasius Mitsubishi

    3.1
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    Brookfield, CT (50 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

    $42,990

    50,092 mi.
    Est. $781/mo

    Hudson Cadillac Buick GMC

    4.9
    Check Availability
    Poughkeepsie, NY (48 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 ElevationSatin Steel Metallic 2021 GMC Sierra 1500 Elevation

    $35,997

    62,122 mi.
    Est. $654/mo

    Ingersoll Auto of Danbury

    4.1
    Check Availability
    Danbury, CT (47 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 SLEDark Sky Metallic 2021 GMC Sierra 1500 SLE

    $31,995

    $1K
    63,845 mi.
    Est. $582/mo

    Nielsen Ford

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    Sussex, NJ (33 mi)
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  • Onyx Black Gba 2021 GMC Sierra 1500 DenaliOnyx Black Gba 2021 GMC Sierra 1500 DenaliOnyx Black Gba 2021 GMC Sierra 1500 DenaliOnyx Black Gba 2021 GMC Sierra 1500 DenaliOnyx Black Gba 2021 GMC Sierra 1500 DenaliOnyx Black Gba 2021 GMC Sierra 1500 Denali

    $47,995

    28,173 mi.
    Est. $872/mo

    King O'Rourke Auto Group

    3.0
    Check Availability
    Smithtown, NY (48 mi)
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  • Quicksilver Metal 2021 GMC Sierra 1500 ElevationQuicksilver Metal 2021 GMC Sierra 1500 ElevationQuicksilver Metal 2021 GMC Sierra 1500 ElevationQuicksilver Metal 2021 GMC Sierra 1500 ElevationQuicksilver Metal 2021 GMC Sierra 1500 ElevationQuicksilver Metal 2021 GMC Sierra 1500 Elevation

    $41,995

    47,796 mi.
    Est. $763/mo

    King O'Rourke Auto Group

    3.0
    Check Availability
    Smithtown, NY (48 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 ElevationDark Sky Metallic 2021 GMC Sierra 1500 Elevation

    $27,895

    $100
    70,302 mi.
    Est. $507/mo

    Acme Nissan

    Check Availability
    Monmouth Junction, NJ (44 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $65,712 4 Good deals
2025 GMC Sierra 1500 $50,344 10 Great deals
2024 GMC Sierra 1500 $50,610 14 Great deals
2023 GMC Sierra 1500 $43,639 19 Great deals
2022 GMC Sierra 1500 $41,519 7 Great 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 $36,402, with pricing starting at $15,980.

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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