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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

    $34,224

    50,103 mi.
    Est. $620/mo

    Lone Star Chevrolet

    4.7
    Check Availability
    Houston, TX (27 mi)
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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

    $37,795

    $200
    84,479 mi.
    Est. $685/mo

    Texas Car Club

    5.0
    Check Availability
    Houston, TX (14 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

    $41,016

    68,861 mi.
    Est. $743/mo

    Carvibe Houston

    Check Availability
    Houston, TX (22 mi)
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  • Steel Metallic 2021 GMC Sierra 1500 SLTSteel Metallic 2021 GMC Sierra 1500 SLTSteel Metallic 2021 GMC Sierra 1500 SLTSteel Metallic 2021 GMC Sierra 1500 SLTSteel Metallic 2021 GMC Sierra 1500 SLTSteel Metallic 2021 GMC Sierra 1500 SLT

    $34,216

    88,958 mi.
    Est. $620/mo

    Gay Family Auto

    4.8
    Check Availability
    Dickinson, TX (25 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

    $39,223

    $1.6K
    66,750 mi.
    Est. $711/mo

    Classic Buick GMC

    4.7
    Check Availability
    Houston, TX (21 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

    $29,995

    160,603 mi.
    Est. $543/mo

    America's Auto Financial

    4.8
    Check Availability
    Houston, TX (18 mi)
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  • Gray 2021 GMC Sierra 1500 AT4Gray 2021 GMC Sierra 1500 AT4Gray 2021 GMC Sierra 1500 AT4Gray 2021 GMC Sierra 1500 AT4Gray 2021 GMC Sierra 1500 AT4Gray 2021 GMC Sierra 1500 AT4

    $47,998

    27,211 mi.
    Est. $869/mo

    CarMax Gulf Freeway

    4.6
    Check Availability
    Houston, TX (17 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

    $34,980

    116,246 mi.
    Est. $634/mo

    League City Chrysler Jeep Dodge Ram

    4.7
    Check Availability
    League City, TX (25 mi)
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  • Cayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLTCayenne Red Tintcoat 2021 GMC Sierra 1500 SLT

    $36,922

    92,215 mi.
    Est. $669/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Houston, TX (17 mi)
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  • Cardinal Red 2021 GMC Sierra 1500 SLTCardinal Red 2021 GMC Sierra 1500 SLTCardinal Red 2021 GMC Sierra 1500 SLTCardinal Red 2021 GMC Sierra 1500 SLTCardinal Red 2021 GMC Sierra 1500 SLTCardinal Red 2021 GMC Sierra 1500 SLT

    $33,073

    79,664 mi.
    Est. $599/mo

    Classic Buick GMC

    4.7
    Check Availability
    Houston, TX (21 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

    $28,730

    96,594 mi.
    Est. $520/mo

    Auto Boutique Texas

    3.6
    Check Availability
    Alvin, TX (22 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

    $30,220

    68,778 mi.
    Est. $547/mo

    Group 1 Buick GMC North

    4.4
    Check Availability
    Houston, TX (29 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

    $36,795

    $200
    40,729 mi.
    Est. $667/mo

    Tommie Vaughn Ford

    4.1
    Check Availability
    Houston, TX (19 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

    $27,995

    122,536 mi.
    Est. $507/mo

    Sky Rides Automotive Group

    3.7
    Check Availability
    Houston, TX (14 mi)
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  • Red 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLT

    $26,995

    113,470 mi.
    Est. $489/mo

    Shawn's Motor Credit

    Check Availability
    Houston, TX (22 mi)
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  • $34,651

    109,304 mi.
    Est. $628/mo

    Group 1 GMC Southwest

    4.4
    Check Availability
    Houston, TX (11 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 AT4

    Not Priced

    109,690 mi.
    Est. $0/mo

    Strawberry Road Auto Sales

    Check Availability
    Pasadena, TX (19 mi)
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  • Onyx Black 2021 GMC Sierra 1500 Elevation

    Not Priced

    134,935 mi.
    Est. $0/mo

    Strawberry Road Auto Sales

    Check Availability
    Pasadena, TX (19 mi)
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  • Onyx Black 2021 GMC Sierra 1500 AT4

    $26,996

    $4K
    143,973 mi.
    Est. $489/mo

    Strawberry Road Auto Sales

    Check Availability
    Pasadena, TX (19 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 1500 SLT

    $30,693

    $393
    108,792 mi.
    Est. $556/mo

    Classic Buick GMC

    4.7
    Check Availability
    Houston, TX (21 mi)
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  • $29,216

    114,130 mi.
    Est. $529/mo

    Gay Family Auto

    4.8
    Check Availability
    Dickinson, TX (25 mi)
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  • $40,216

    16,663 mi.
    Est. $729/mo

    Gay Family Auto

    4.8
    Check Availability
    Dickinson, TX (25 mi)
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  • $36,216

    $1K
    68,646 mi.
    Est. $656/mo

    Gay Family Auto

    4.8
    Check Availability
    Dickinson, TX (25 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 Elevation

    $31,214

    110,848 mi.
    Est. $565/mo

    AutoNation USA Houston

    4.5
    Check Availability
    Houston, TX (25 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

    $38,998

    24,250 mi.
    Est. $706/mo

    CarMax Arlington/Ft. Worth

    4.7
    Check Availability
    $99 delivery to Houston, TX (13 mi)
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  • Red 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLTRed 2021 GMC Sierra 1500 SLT

    $29,995

    127,789 mi.
    Est. $543/mo

    Dean Mitchell Auto Mall

    Check Availability
    $401 delivery from Mobile, AL (447 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $61,618 14 Good deals
2025 GMC Sierra 1500 $53,610 6 Great deals
2024 GMC Sierra 1500 $52,682 14 Great deals
2023 GMC Sierra 1500 $48,280 10 Great deals
2022 GMC Sierra 1500 $40,149 12 Good deals
2020 GMC Sierra 1500 $31,563 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 $36,386, with pricing starting at $16,250.

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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