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
  • White 2021 GMC Sierra 1500White 2021 GMC Sierra 1500White 2021 GMC Sierra 1500White 2021 GMC Sierra 1500White 2021 GMC Sierra 1500White 2021 GMC Sierra 1500

    $31,998

    20,395 mi.
    Est. $580/mo

    CarMax Warwick

    Check Availability
    Cranston, RI (21 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

    $30,977

    72,863 mi.
    Est. $562/mo

    Lux Auto Plus

    4.7
    Check Availability
    Auburn, MA (23 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

    $33,755

    $239
    61,527 mi.
    Est. $612/mo

    Acura of Auburn

    4.8
    Check Availability
    Auburn, MA (24 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

    $38,473

    $718
    69,435 mi.
    Est. $698/mo

    Stafford Chrysler Dodge Jeep Ram

    Check Availability
    Stafford Springs, CT (27 mi)
    Quick view
  • 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

    $26,894

    138,250 mi.
    Est. $488/mo

    Prime Car USA Auto Sales LLC

    Check Availability
    Warwick, RI (26 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 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $39,977

    66,504 mi.
    Est. $725/mo

    Lux Auto Plus

    4.7
    Check Availability
    Auburn, MA (23 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 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $34,477

    94,195 mi.
    Est. $625/mo

    Balise Chevrolet of Warwick

    4.5
    Check Availability
    Warwick, RI (23 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 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $33,200

    105,011 mi.
    Est. $602/mo

    Tasca Buick GMC Woonsocket

    4.8
    Check Availability
    Woonsocket, RI (21 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

    $45,977

    $500
    26,533 mi.
    Est. $834/mo

    Imperial Chevrolet

    4.5
    Check Availability
    Mendon, MA (23 mi)
    Quick view
  • Cayenne Red Tintcoat 2021 GMC Sierra 1500 SLECayenne Red Tintcoat 2021 GMC Sierra 1500 SLECayenne Red Tintcoat 2021 GMC Sierra 1500 SLECayenne Red Tintcoat 2021 GMC Sierra 1500 SLECayenne Red Tintcoat 2021 GMC Sierra 1500 SLECayenne Red Tintcoat 2021 GMC Sierra 1500 SLE

    $32,994

    39,343 mi.
    Est. $598/mo

    Stafford Chrysler Dodge Jeep Ram

    Check Availability
    Stafford Springs, CT (27 mi)
    Quick view
  • $41,977

    56,953 mi.
    Est. $761/mo

    Imperial Ford

    4.6
    Check Availability
    Mendon, MA (23 mi)
    Quick view
  • $39,995

    89,416 mi.
    Est. $725/mo

    Chevrolet Buick GMC of Attleboro

    4.6
    Check Availability
    Attleboro, MA (26 mi)
    Quick view
  • Red 2021 GMC Sierra 1500 SLERed 2021 GMC Sierra 1500 SLERed 2021 GMC Sierra 1500 SLERed 2021 GMC Sierra 1500 SLERed 2021 GMC Sierra 1500 SLERed 2021 GMC Sierra 1500 SLE

    $34,998

    47,080 mi.
    Est. $635/mo

    CarMax Mechanicsburg

    Check Availability
    $149 delivery to Cranston, RI (21 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

    $40,579

    41,637 mi.
    Est. $736/mo

    Jim Schmidt Chevrolet

    4.5
    Check Availability
    $1,003 delivery from Hicksville, OH (669 mi)
    Quick view
  • Ebony Twilight Metallic 2021 GMC Sierra 1500 DenaliEbony Twilight Metallic 2021 GMC Sierra 1500 DenaliEbony Twilight Metallic 2021 GMC Sierra 1500 DenaliEbony Twilight Metallic 2021 GMC Sierra 1500 DenaliEbony Twilight Metallic 2021 GMC Sierra 1500 DenaliEbony Twilight Metallic 2021 GMC Sierra 1500 Denali

    $36,400

    82,896 mi.
    Est. $660/mo

    Autobahn USA Dedham

    4.4
    Check Availability
    Dedham, MA (44 mi)
    Quick view
  • Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4Cayenne Red 2021 GMC Sierra 1500 AT4

    $42,000

    $895
    33,350 mi.
    Est. $762/mo

    Mastria GMC Cadillac

    4.5
    Check Availability
    Raynham, MA (44 mi)
    Quick view
  • Quicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLTQuicksilver Metallic 2021 GMC Sierra 1500 SLT

    $35,395

    $1K
    51,061 mi.
    Est. $642/mo

    Albrecht Chrysler Dodge Jeep RAM of Westboro

    4.5
    Check Availability
    Westborough, MA (33 mi)
    Quick view
  • 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

    $33,990

    76,005 mi.
    Est. $616/mo

    European Motorcars

    4.0
    Check Availability
    Middletown, CT (47 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

    $34,499

    112,397 mi.
    Est. $626/mo

    Fazza Motors

    Check Availability
    Marlborough, MA (37 mi)
    Quick view
  • 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

    $33,701

    69,286 mi.
    Est. $611/mo

    Middletown Nissan

    3.8
    Check Availability
    Middletown, CT (47 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

    $39,995

    712,621 mi.
    Est. $725/mo

    Prestige Auto Mart of Taunton

    4.7
    Check Availability
    Taunton, MA (40 mi)
    Quick view
  • Satin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLE

    $31,995

    45,887 mi.
    Est. $580/mo

    McGovern GMC of Westborough

    4.7
    Check Availability
    Westborough, MA (32 mi)
    Quick view
  • Cayenne Red Tintcoat 2021 GMC Sierra 1500 ElevationCayenne Red Tintcoat 2021 GMC Sierra 1500 ElevationCayenne Red Tintcoat 2021 GMC Sierra 1500 ElevationCayenne Red Tintcoat 2021 GMC Sierra 1500 ElevationCayenne Red Tintcoat 2021 GMC Sierra 1500 ElevationCayenne Red Tintcoat 2021 GMC Sierra 1500 Elevation

    $33,479

    72,219 mi.
    Est. $607/mo

    Scranton GMC of Vernon

    4.4
    Check Availability
    Vernon, CT (33 mi)
    Quick view
  • 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

    $34,990

    55,842 mi.
    Est. $634/mo

    Bourne's Auto Center

    4.9
    Check Availability
    Easton, MA (43 mi)
    Quick view
  • Dark Sky Metallic 2021 GMC Sierra 1500 SLEDark Sky Metallic 2021 GMC Sierra 1500 SLEDark Sky Metallic 2021 GMC Sierra 1500 SLEDark Sky Metallic 2021 GMC Sierra 1500 SLEDark Sky Metallic 2021 GMC Sierra 1500 SLEDark Sky Metallic 2021 GMC Sierra 1500 SLE

    $29,999

    $1.4K
    36,508 mi.
    Est. $544/mo

    Blasius of Middletown

    3.2
    Check Availability
    Middletown, CT (48 mi)
    Quick view
  • Cardinal Red 2021 GMC Sierra 1500 BaseCardinal Red 2021 GMC Sierra 1500 Base

    $28,793

    51,617 mi.
    Est. $522/mo

    Balise Toyota

    4.3
    Check Availability
    West Springfield, MA (45 mi)
    Quick view

GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $63,533 1 Good deal
2025 GMC Sierra 1500 $49,553 6 Good deals
2024 GMC Sierra 1500 $48,964 19 Good deals
2023 GMC Sierra 1500 $42,068 16 Good deals
2022 GMC Sierra 1500 $42,071 17 Good deals
2019 GMC Sierra 1500 $32,783 9 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 $35,904, 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)
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