Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • Satin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLT

    $28,991

    105,259 mi.
    Est. $535/mo

    USA Direct Auto

    4.4
    Check Availability
    Houston, TX (28 mi)
    Quick view
  • 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. $646/mo

    League City Chrysler Jeep Dodge Ram

    4.7
    Check Availability
    League City, TX (7 mi)
    Quick view
  • 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

    $40,137

    68,861 mi.
    Est. $741/mo

    Carvibe Houston

    Check Availability
    Houston, TX (2 mi)
    Quick view
  • Satin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLT

    $31,224

    98,520 mi.
    Est. $576/mo

    Ron Craft Cadillac

    Check Availability
    Baytown, TX (21 mi)
    Quick view
  • 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

    $27,720

    $500
    96,594 mi.
    Est. $512/mo

    Auto Boutique Texas

    3.6
    Check Availability
    Alvin, TX (2 mi)
    Quick view
  • 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

    $34,222

    $2.3K
    92,215 mi.
    Est. $632/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Houston, TX (7 mi)
    Quick view
  • 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. $886/mo

    CarMax Gulf Freeway

    4.5
    Check Availability
    Houston, TX (7 mi)
    Quick view
  • 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

    $36,795

    $800
    84,807 mi.
    Est. $679/mo

    Texas Car Club

    5.0
    Check Availability
    Houston, TX (25 mi)
    Quick view
  • 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

    40,729 mi.
    Est. $679/mo

    Tommie Vaughn Ford

    4.1
    Check Availability
    Houston, TX (25 mi)
    Quick view
  • Red 2021 GMC Sierra 1500 DenaliRed 2021 GMC Sierra 1500 DenaliRed 2021 GMC Sierra 1500 DenaliRed 2021 GMC Sierra 1500 DenaliRed 2021 GMC Sierra 1500 DenaliRed 2021 GMC Sierra 1500 Denali

    $49,998

    5,427 mi.
    Est. $923/mo

    CarMax Gulf Freeway

    4.5
    Check Availability
    Houston, TX (7 mi)
    Quick view
  • 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

    $38,998

    57,332 mi.
    Est. $720/mo

    CarMax Southwest Freeway

    4.7
    Check Availability
    Houston, TX (26 mi)
    Quick view
  • 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

    $46,612

    52,000 mi.
    Est. $860/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Houston, TX (7 mi)
    Quick view
  • 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

    $43,430

    45,976 mi.
    Est. $802/mo

    Auto Boutique Texas

    3.6
    Check Availability
    Alvin, TX (2 mi)
    Quick view
  • 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

    $31,770

    122,536 mi.
    Est. $586/mo

    Sky Rides Automotive Group

    3.7
    Check Availability
    Houston, TX (27 mi)
    Quick view
  • Not Priced

    84,404 mi.

    Carvibe Houston

    Check Availability
    Houston, TX (2 mi)
    Quick view
  • Summit White 2021 GMC Sierra 1500 AT4

    $31,220

    138,831 mi.
    Est. $576/mo

    AutoNation Chevrolet Gulf Freeway

    4.5
    Check Availability
    Houston, TX (6 mi)
    Quick view
  • $43,216

    36,265 mi.
    Est. $798/mo

    Gay Family Auto

    4.8
    Check Availability
    Dickinson, TX (7 mi)
    Quick view
  • Onyx Black 2021 GMC Sierra 1500 Elevation

    Not Priced

    134,935 mi.
    Est. $0/mo

    Strawberry Road Auto Sales

    Check Availability
    Pasadena, TX (9 mi)
    Quick view
  • Onyx Black 2021 GMC Sierra 1500 AT4

    $26,996

    143,973 mi.
    Est. $498/mo

    Strawberry Road Auto Sales

    Check Availability
    Pasadena, TX (9 mi)
    Quick view
  • Summit White 2021 GMC Sierra 1500 AT4

    Not Priced

    129,106 mi.
    Est. $0/mo

    Strawberry Road Auto Sales

    Check Availability
    Pasadena, TX (9 mi)
    Quick view
  • Cardinal Red 2021 GMC Sierra 1500 Elevation

    Not Priced

    62,673 mi.
    Est. $0/mo

    Archer Kia

    4.0
    Check Availability
    Houston, TX (28 mi)
    Quick view
  • Blue 2021 GMC Sierra 1500 SLTBlue 2021 GMC Sierra 1500 SLTBlue 2021 GMC Sierra 1500 SLTBlue 2021 GMC Sierra 1500 SLTBlue 2021 GMC Sierra 1500 SLTBlue 2021 GMC Sierra 1500 SLT

    $44,998

    20,874 mi.
    Est. $830/mo

    CarMax Nashville

    4.0
    Check Availability
    $349 delivery to Houston, TX (7 mi)
    Quick view
  • Silver 2021 GMC Sierra 1500 ElevationSilver 2021 GMC Sierra 1500 ElevationSilver 2021 GMC Sierra 1500 ElevationSilver 2021 GMC Sierra 1500 ElevationSilver 2021 GMC Sierra 1500 ElevationSilver 2021 GMC Sierra 1500 Elevation

    $42,998

    51,220 mi.
    Est. $794/mo

    CarMax Garland

    4.6
    Check Availability
    $149 delivery to Houston, TX (7 mi)
    Quick view
  • 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

    $37,615

    $605
    49,741 mi.
    Est. $694/mo

    Texan GMC Buick

    Check Availability
    Humble, TX (33 mi)
    Quick view
  • Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $42,692

    $799
    53,242 mi.
    Est. $788/mo

    Mac Haik Chevrolet

    4.8
    Check Availability
    Houston, TX (33 mi)
    Quick view
  • 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

    $36,991

    $1K
    80,499 mi.
    Est. $683/mo

    Fred Haas Toyota World

    4.7
    Check Availability
    Spring, TX (41 mi)
    Quick view
  • Pacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 DenaliPacific Blue Metallic 2021 GMC Sierra 1500 Denali

    $41,007

    $517
    60,090 mi.
    Est. $757/mo

    Texan GMC Buick

    Check Availability
    Humble, TX (33 mi)
    Quick view
  • 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

    $31,995

    129,998 mi.
    Est. $590/mo

    THIScar

    4.7
    Check Availability
    Tomball, TX (46 mi)
    Quick view
  • 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

    $41,295

    76,307 mi.
    Est. $762/mo

    THIScar

    4.7
    Check Availability
    Tomball, TX (46 mi)
    Quick view
  • 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

    $40,999

    $1K
    45,632 mi.
    Est. $757/mo

    Planet Ford 45

    4.5
    Check Availability
    Spring, TX (41 mi)
    Quick view
  • Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4

    $54,215

    72,229 mi.
    Est. $1,001/mo

    Lifted Trucks - Katy

    Check Availability
    Katy, TX (46 mi)
    Quick view
  • 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

    $30,395

    $200
    141,176 mi.
    Est. $561/mo

    Demontrond Buick GMC

    4.8
    Check Availability
    Houston, TX (35 mi)
    Quick view
  • 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

    $37,999

    88,755 mi.
    Est. $701/mo

    Planet Ford 45

    4.5
    Check Availability
    Spring, TX (41 mi)
    Quick view
  • 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

    $28,679

    107,890 mi.
    Est. $529/mo

    Crown Auto Sales- Houston

    Check Availability
    Houston, TX (34 mi)
    Quick view
  • 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. $498/mo

    Shawn's Motor Credit

    Check Availability
    Houston, TX (33 mi)
    Quick view

GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $63,364 10 Good deals
2025 GMC Sierra 1500 $52,751 5 Great deals
2024 GMC Sierra 1500 $50,865 5 Great deals
2023 GMC Sierra 1500 $46,330 11 Good deals
2022 GMC Sierra 1500 $39,983 5 Good deals
2020 GMC Sierra 1500 $34,711 5 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 $36,390, with pricing starting at $12,000.

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)
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed

Similar Cars

Research the 2021 GMC Sierra 1500

Compare the 2021 GMC Sierra 1500

2021 GMC Sierra 1500 by city

2021 GMC Sierra 1500 by cab style