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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

    $35,026

    96,332 mi.
    Est. $660/mo

    Chevrolet of Culver City

    4.0
    Check Availability
    Culver City, CA (19 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 Denali

    $29,999

    130,982 mi.
    Est. $565/mo

    LSM Cars

    4.1
    Check Availability
    Fullerton, CA (24 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

    $35,000

    $2.3K
    63,737 mi.
    Est. $659/mo

    Santa Monica GMC

    4.3
    Check Availability
    Santa Monica, CA (22 mi)
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  • Blue 2021 GMC Sierra 1500 AT4Blue 2021 GMC Sierra 1500 AT4Blue 2021 GMC Sierra 1500 AT4Blue 2021 GMC Sierra 1500 AT4Blue 2021 GMC Sierra 1500 AT4Blue 2021 GMC Sierra 1500 AT4

    $39,998

    $1K
    85,573 mi.
    Est. $754/mo

    CarMax Burbank

    4.4
    Check Availability
    Burbank, CA (10 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 Denali

    $39,000

    $999
    81,337 mi.
    Est. $735/mo

    Vista Motors

    4.3
    Check Availability
    Ontario, CA (29 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

    $42,998

    55,148 mi.
    Est. $810/mo

    CarMax LAX

    Check Availability
    Inglewood, CA (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

    $29,888

    120,057 mi.
    Est. $563/mo

    GMS Autos

    Check Availability
    Placentia, CA (26 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

    $32,752

    42,479 mi.
    Est. $617/mo

    Chevrolet of Culver City

    4.0
    Check Availability
    Culver City, CA (19 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

    $37,991

    72,432 mi.
    Est. $716/mo

    CAR LUX

    4.2
    Check Availability
    Inglewood, CA (19 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 Elevation

    $36,541

    44,576 mi.
    Est. $688/mo

    Puente Hills Nissan

    3.6
    Check Availability
    City of Industry, CA (17 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 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 Denali

    $42,850

    47,304 mi.
    Est. $807/mo

    STG Auto Group of Bellflower

    2.4
    Check Availability
    Bellflower, CA (20 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

    $28,649

    68,492 mi.
    Est. $540/mo

    STG Auto Group of Montclair

    2.8
    Check Availability
    Montclair, CA (27 mi)
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  • Summit White 2021 GMC Sierra 1500 BaseSummit White 2021 GMC Sierra 1500 BaseSummit White 2021 GMC Sierra 1500 BaseSummit White 2021 GMC Sierra 1500 BaseSummit White 2021 GMC Sierra 1500 BaseSummit White 2021 GMC Sierra 1500 Base

    $25,992

    61,044 mi.
    Est. $490/mo

    Auto Republic Orange

    Check Availability
    Orange, CA (29 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

    $37,752

    $200
    51,672 mi.
    Est. $711/mo

    Chevrolet of Culver City

    4.0
    Check Availability
    Culver City, CA (19 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

    $24,952

    81,789 mi.
    Est. $470/mo

    Chevrolet of Culver City

    4.0
    Check Availability
    Culver City, CA (19 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 1500 Elevation

    $32,888

    55,732 mi.
    Est. $620/mo

    STG Auto Group of Bellflower

    2.4
    Check Availability
    Bellflower, CA (20 mi)
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  • Summit White 2021 GMC Sierra 1500 Elevation

    $34,888

    $600
    73,658 mi.
    Est. $657/mo

    STG Auto Group of Bellflower

    2.4
    Check Availability
    Bellflower, CA (20 mi)
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  • Not Priced

    130,735 mi.
    Est. $0/mo

    STG Auto Group of Bellflower

    2.4
    Check Availability
    Bellflower, CA (20 mi)
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  • $42,995

    43,213 mi.
    Est. $810/mo

    Hardin Buick GMC

    4.6
    Check Availability
    Anaheim, CA (28 mi)
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  • Cayenne Red Tintcoat 2021 GMC Sierra 1500 AT4

    $30,000

    $999
    124,717 mi.
    Est. $565/mo

    Vista Motors

    4.3
    Check Availability
    Ontario, CA (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

    37,041 mi.
    Est. $848/mo

    CarMax Palm Desert

    Check Availability
    Free delivery to Burbank, CA (10 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

    $41,694

    $299
    41,204 mi.
    Est. $785/mo

    Scottsdale Mitsubishi

    3.9
    Check Availability
    $724 delivery from Scottsdale, AZ (362 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $60,034 4 Good deals
2025 GMC Sierra 1500 $56,437 6 Good deals
2024 GMC Sierra 1500 $41,839 6 Great deals
2023 GMC Sierra 1500 $45,225 10 Good deals
2022 GMC Sierra 1500 $40,475 19 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 $35,877, 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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