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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

    $31,500

    $1K
    67,967 mi.
    Est. $537/mo

    Canobie Lake Toyota

    4.8
    Check Availability
    Salem, NH (24 mi)
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  • Pewter 2021 GMC Sierra 1500 SLEPewter 2021 GMC Sierra 1500 SLEPewter 2021 GMC Sierra 1500 SLEPewter 2021 GMC Sierra 1500 SLEPewter 2021 GMC Sierra 1500 SLEPewter 2021 GMC Sierra 1500 SLE

    $24,960

    93,636 mi.
    Est. $426/mo

    Village Motors

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    South Berwick, ME (16 mi)
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  • Black 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 ElevationBlack 2021 GMC Sierra 1500 Elevation

    $25,926

    80,154 mi.
    Est. $442/mo

    Somersworth Nissan

    3.8
    Check Availability
    Somersworth, NH (16 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

    $36,995

    112,191 mi.
    Est. $631/mo

    Portsmouth Chevrolet

    4.7
    Check Availability
    Portsmouth, NH (10 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

    $37,987

    67,292 mi.
    Est. $648/mo

    Dover Chevrolet

    4.8
    Check Availability
    Dover, NH (11 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

    $35,487

    $1K
    71,010 mi.
    Est. $605/mo

    Banks Chevy GMC Buick

    4.8
    Check Availability
    Concord, NH (29 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

    $36,499

    43,147 mi.
    Est. $622/mo

    Key GMC of Rochester

    4.8
    Check Availability
    Rochester, NH (14 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

    $23,499

    112,499 mi.
    Est. $401/mo

    Tim's Truck Capital & Auto Sales Inc

    4.5
    Check Availability
    Epsom, NH (24 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLT

    $29,999

    99,016 mi.
    Est. $511/mo

    Key GMC of Rochester

    4.8
    Check Availability
    Rochester, NH (14 mi)
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  • $34,999

    91,445 mi.
    Est. $597/mo

    Key GMC of Rochester

    4.8
    Check Availability
    Rochester, NH (14 mi)
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  • Summit White 2021 GMC Sierra 1500 Elevation

    $31,000

    98,329 mi.
    Est. $529/mo

    Canobie Lake Toyota

    4.8
    Check Availability
    Salem, NH (24 mi)
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  • $36,987

    30,588 mi.
    Est. $631/mo

    Banks Chevy GMC Buick

    4.8
    Check Availability
    Concord, NH (29 mi)
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  • $29,987

    93,435 mi.
    Est. $511/mo

    Banks Chevy GMC Buick

    4.8
    Check Availability
    Concord, NH (29 mi)
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  • Blue 2021 GMC Sierra 1500 ElevationBlue 2021 GMC Sierra 1500 ElevationBlue 2021 GMC Sierra 1500 ElevationBlue 2021 GMC Sierra 1500 ElevationBlue 2021 GMC Sierra 1500 ElevationBlue 2021 GMC Sierra 1500 Elevation

    $38,998

    21,494 mi.
    Est. $665/mo

    CarMax Norwood

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    Free delivery to Manchester, NH (25 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

    $26,000

    88,415 mi.
    Est. $443/mo

    Irwin Automotive Group

    4.7
    Check Availability
    Free delivery from Laconia, NH (43 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

    $34,589

    $166
    58,408 mi.
    Est. $590/mo

    Acton Toyota of Littleton

    4.5
    Check Availability
    Littleton, MA (43 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

    $26,000

    88,415 mi.
    Est. $443/mo

    Irwin Automotive Group

    4.7
    Check Availability
    Laconia, NH (43 mi)
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  • Onyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 Denali

    $38,462

    $300
    76,269 mi.
    Est. $656/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (33 mi)
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  • Silver 2021 GMC Sierra 1500 ElevationSilver 2021 GMC Sierra 1500 Elevation

    $38,855

    $11K
    24,917 mi.
    Est. $662/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (33 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

    $40,998

    $737
    68,151 mi.
    Est. $699/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (33 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 1500 SLEPacific Blue Metallic 2021 GMC Sierra 1500 SLEPacific Blue Metallic 2021 GMC Sierra 1500 SLEPacific Blue Metallic 2021 GMC Sierra 1500 SLEPacific Blue Metallic 2021 GMC Sierra 1500 SLEPacific Blue Metallic 2021 GMC Sierra 1500 SLE

    $28,199

    $227
    81,349 mi.
    Est. $481/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (33 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

    $25,242

    $286
    122,338 mi.
    Est. $430/mo

    Ira Toyota Saco

    4.5
    Check Availability
    Saco, ME (44 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

    $26,900

    110,494 mi.
    Est. $459/mo

    Auto Factory

    4.3
    Check Availability
    Peabody, MA (35 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

    $34,900

    41,858 mi.
    Est. $595/mo

    Auto Factory

    4.3
    Check Availability
    Peabody, MA (35 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

    $35,800

    105,994 mi.
    Est. $610/mo

    Auto Factory

    4.3
    Check Availability
    Peabody, MA (35 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 Denali

    $41,497

    51,728 mi.
    Est. $707/mo

    Ira Toyota of Danvers

    4.2
    Check Availability
    Danvers, MA (34 mi)
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  • $31,452

    110,269 mi.
    Est. $536/mo

    Weirs Motor Sales, Inc.

    3.6
    Check Availability
    Arundel, ME (35 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $55,639 2 Good deals
2025 GMC Sierra 1500 $56,100 7 Great deals
2024 GMC Sierra 1500 $48,466 28 Good deals
2023 GMC Sierra 1500 $44,547 33 Good deals
2022 GMC Sierra 1500 $40,434 11 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 $36,188, 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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