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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

    $41,988

    73,053 mi.
    Est. $766/mo

    Ray Skillman Hyundai of Avon

    4.8
    Check Availability
    Avon, IN (14 mi)
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  • Cardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 Elevation

    $37,274

    46,965 mi.
    Est. $680/mo

    Capitol City Ford Greenfield

    4.6
    Check Availability
    Greenfield, IN (19 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

    $40,370

    45,210 mi.
    Est. $736/mo

    Indy Auto Man

    4.3
    Check Availability
    Indianapolis, IN (3 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

    $34,997

    82,928 mi.
    Est. $638/mo

    Hare Honda

    4.7
    Check Availability
    Avon, IN (13 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 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLTPacific Blue Metallic 2021 GMC Sierra 1500 SLT

    $36,000

    $500
    73,846 mi.
    Est. $657/mo

    AutoGiant USA

    4.2
    Check Availability
    Fishers, IN (23 mi)
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  • White Frost 2021 GMC Sierra 1500 SLTWhite Frost 2021 GMC Sierra 1500 SLTWhite Frost 2021 GMC Sierra 1500 SLTWhite Frost 2021 GMC Sierra 1500 SLTWhite Frost 2021 GMC Sierra 1500 SLTWhite Frost 2021 GMC Sierra 1500 SLT

    $35,900

    98,998 mi.
    Est. $655/mo

    Ray Skillman Mazda West

    5.0
    Check Availability
    Indianapolis, IN (13 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

    $42,500

    58,191 mi.
    Est. $775/mo

    Unlimited Motors in Noblesville

    4.2
    Check Availability
    Noblesville, IN (26 mi)
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  • Red 2021 GMC Sierra 1500Red 2021 GMC Sierra 1500Red 2021 GMC Sierra 1500Red 2021 GMC Sierra 1500Red 2021 GMC Sierra 1500Red 2021 GMC Sierra 1500

    $26,998

    52,452 mi.
    Est. $493/mo

    CarMax Indianapolis

    3.5
    Check Availability
    Indianapolis, IN (18 mi)
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  • Cardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 ElevationCardinal Red 2021 GMC Sierra 1500 Elevation

    $31,760

    $368
    62,309 mi.
    Est. $579/mo

    Andy Mohr Chevrolet

    4.5
    Check Availability
    Plainfield, IN (13 mi)
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  • Summit White 2021 GMC Sierra 1500 SLESummit White 2021 GMC Sierra 1500 SLESummit White 2021 GMC Sierra 1500 SLESummit White 2021 GMC Sierra 1500 SLESummit White 2021 GMC Sierra 1500 SLESummit White 2021 GMC Sierra 1500 SLE

    $32,315

    $2.6K
    41,645 mi.
    Est. $590/mo

    Andy Mohr Ford

    4.2
    Check Availability
    Plainfield, IN (13 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 ElevationEbony Twilight Metallic 2021 GMC Sierra 1500 Elevation

    $36,692

    58,742 mi.
    Est. $669/mo

    Capitol City Ford

    4.8
    Check Availability
    Indianapolis, IN (10 mi)
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  • Onyx Black 2021 GMC Sierra 1500 BaseOnyx Black 2021 GMC Sierra 1500 BaseOnyx Black 2021 GMC Sierra 1500 BaseOnyx Black 2021 GMC Sierra 1500 BaseOnyx Black 2021 GMC Sierra 1500 BaseOnyx Black 2021 GMC Sierra 1500 Base

    $32,495

    65,122 mi.
    Est. $593/mo

    Noblesville Imports

    4.8
    Check Availability
    Noblesville, IN (25 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 AT4

    $34,983

    97,945 mi.
    Est. $638/mo

    Dellen Chevrolet GMC

    4.7
    Check Availability
    Greenfield, IN (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

    $30,862

    $1K
    88,213 mi.
    Est. $563/mo

    Bill Estes Toyota

    4.6
    Check Availability
    Indianapolis, IN (18 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

    $31,400

    78,113 mi.
    Est. $573/mo

    Andy Mohr Buick GMC

    3.6
    Check Availability
    Fishers, IN (22 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

    $45,975

    53,410 mi.
    Est. $839/mo

    Ray Skillman Buick GMC South

    4.6
    Check Availability
    Indianapolis, IN (3 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

    $32,500

    66,777 mi.
    Est. $593/mo

    Andy Mohr Buick GMC

    3.6
    Check Availability
    Fishers, IN (22 mi)
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  • Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4Steel Metallic 2021 GMC Sierra 1500 AT4

    $34,900

    86,203 mi.
    Est. $637/mo

    Andy Mohr Buick GMC

    3.6
    Check Availability
    Fishers, IN (22 mi)
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  • $42,988

    63,577 mi.
    Est. $784/mo

    Ray Skillman Northeast GMC

    4.7
    Check Availability
    Indianapolis, IN (9 mi)
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  • $36,749

    $239
    52,249 mi.
    Est. $670/mo

    Ray Skillman Northeast GMC

    4.7
    Check Availability
    Indianapolis, IN (9 mi)
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  • Onyx Black 2021 GMC Sierra 1500 Denali

    $40,000

    59,280 mi.
    Est. $730/mo

    Andy Mohr Chevrolet

    4.5
    Check Availability
    Plainfield, IN (13 mi)
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  • Not Priced

    81,964 mi.
    Est. $0/mo

    Ray Skillman Hyundai West

    4.7
    Check Availability
    Indianapolis, IN (13 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

    $44,998

    $1K
    39,820 mi.
    Est. $821/mo

    CarMax Bloomington

    4.4
    Check Availability
    $99 delivery to Indianapolis, IN (4 mi)
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  • Summit White 2021 GMC Sierra 1500Summit White 2021 GMC Sierra 1500Summit White 2021 GMC Sierra 1500Summit White 2021 GMC Sierra 1500Summit White 2021 GMC Sierra 1500Summit White 2021 GMC Sierra 1500

    $28,587

    91,372 mi.
    Est. $521/mo

    Dan Cummins Chevrolet Buick of Paris

    4.7
    Check Availability
    $357 delivery from Paris, KY (143 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $61,189 2 Good deals
2025 GMC Sierra 1500 $57,695 6 Good deals
2024 GMC Sierra 1500 $49,159 24 Good deals
2023 GMC Sierra 1500 $45,395 18 Good deals
2022 GMC Sierra 1500 $42,502 10 Good deals
2020 GMC Sierra 1500 $36,367 9 Good deals
2019 GMC Sierra 1500 $33,870 9 Good deals
2018 GMC Sierra 1500 $25,222 9 Good deals
2017 GMC Sierra 1500 $21,284 7 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 $36,305, with pricing starting at $16,199.

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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