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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

    $46,844

    $500
    39,511 mi.
    Est. $860/mo

    Larry H. Miller American Toyota

    3.9
    Check Availability
    Albuquerque, NM (8 mi)
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  • Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4Cardinal Red 2021 GMC Sierra 1500 AT4

    $33,599

    111,367 mi.
    Est. $617/mo

    Truck Solution NM

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    Albuquerque, NM (8 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

    $30,384

    133,607 mi.
    Est. $558/mo

    Quality Buick GMC

    3.5
    Check Availability
    Albuquerque, NM (5 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

    $32,411

    $1.5K
    82,752 mi.
    Est. $595/mo

    INFINITI of Albuquerque

    3.6
    Check Availability
    Albuquerque, NM (4 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

    $46,995

    42,586 mi.
    Est. $862/mo

    Rich Ford Sales

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    Albuquerque, NM (6 mi)
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  • $39,995

    57,500 mi.
    Est. $734/mo

    INFINITI of Albuquerque

    3.6
    Check Availability
    Albuquerque, NM (4 mi)
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  • Not Priced

    95,279 mi.
    Est. $0/mo

    M&F Auto Sales - Coors

    Check Availability
    Albuquerque, NM (4 mi)
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  • $44,388

    55,652 mi.
    Est. $814/mo

    Quality Buick GMC

    3.5
    Check Availability
    Albuquerque, NM (5 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

    $42,998

    26,080 mi.
    Est. $789/mo

    CarMax El Paso West

    4.4
    Check Availability
    $149 delivery to Albuquerque, NM (8 mi)
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  • White 2021 GMC Sierra 1500 DenaliWhite 2021 GMC Sierra 1500 DenaliWhite 2021 GMC Sierra 1500 DenaliWhite 2021 GMC Sierra 1500 DenaliWhite 2021 GMC Sierra 1500 DenaliWhite 2021 GMC Sierra 1500 Denali

    $46,998

    44,972 mi.
    Est. $862/mo

    CarMax Tulsa

    4.6
    Check Availability
    $299 delivery to Albuquerque, NM (8 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

    $39,295

    $530
    71,424 mi.
    Est. $721/mo

    AutoNation CDJR Canon City

    4.3
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    Canon City, CO (246 mi)
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  • Brownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLT

    $38,687

    $1.5K
    60,946 mi.
    Est. $710/mo

    Group 1 GMC Westside

    4.4
    Check Availability
    El Paso, TX (227 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

    $46,995

    59,826 mi.
    Est. $862/mo

    Alpine Ford

    4.4
    Check Availability
    Pueblo, CO (249 mi)
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  • White Frost Tricoat 2021 GMC Sierra 1500 SLTWhite Frost Tricoat 2021 GMC Sierra 1500 SLTWhite Frost Tricoat 2021 GMC Sierra 1500 SLTWhite Frost Tricoat 2021 GMC Sierra 1500 SLTWhite Frost Tricoat 2021 GMC Sierra 1500 SLTWhite Frost Tricoat 2021 GMC Sierra 1500 SLT

    $36,027

    70,609 mi.
    Est. $661/mo

    Group 1 GMC Westside

    4.4
    Check Availability
    El Paso, TX (227 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

    $34,998

    58,028 mi.
    Est. $642/mo

    CarMax El Paso

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    El Paso, TX (233 mi)
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  • Brownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLTBrownstone Metallic 2021 GMC Sierra 1500 SLT

    $40,500

    $500
    52,739 mi.
    Est. $743/mo

    Casa Buick GMC

    4.6
    Check Availability
    El Paso, TX (229 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

    $34,110

    $1.5K
    82,752 mi.
    Est. $626/mo

    Santa Fe Mazda

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    Santa Fe, NM (54 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 1500 SLEQuicksilver Metallic 2021 GMC Sierra 1500 SLEQuicksilver Metallic 2021 GMC Sierra 1500 SLEQuicksilver Metallic 2021 GMC Sierra 1500 SLEQuicksilver Metallic 2021 GMC Sierra 1500 SLEQuicksilver Metallic 2021 GMC Sierra 1500 SLE

    $33,995

    93,023 mi.
    Est. $624/mo

    Torresdey Motors

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    El Paso, TX (233 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

    $43,995

    120,199 mi.
    Est. $807/mo

    Torresdey Motors

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    El Paso, TX (233 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 SLT

    $41,694

    57,500 mi.
    Est. $765/mo

    Santa Fe Mazda

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    Santa Fe, NM (54 mi)
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  • Cayenne Red Tintcoat 2021 GMC Sierra 1500 SLT

    $44,162

    34,309 mi.
    Est. $810/mo

    Group 1 Ford of El Paso

    4.9
    Check Availability
    El Paso, TX (233 mi)
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  • $43,895

    $100
    63,392 mi.
    Est. $805/mo

    Alpine Ford

    4.4
    Check Availability
    Pueblo, CO (249 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $65,647 3 Good deals
2025 GMC Sierra 1500 $58,777 9 Great deals
2024 GMC Sierra 1500 $50,516 6 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 $36,434, 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.

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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