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
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $61,440

    Est. $1,155/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (254 mi)

    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 1500 AT4

    $74,905

    MSRP $74,905

    Est. $1,408/mo

    Thompson Buick Cadillac GMC

    3.8
    Check Availability
    Raleigh, NC (641 mi)

    Quick view
  • Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4

    $65,933

    $2K
    Est. $1,239/mo

    Bob Allen Motor Mall

    4.6
    Check Availability
    Danville, KY (329 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4

    $65,274

    $3.7K

    MSRP $76,024

    Est. $1,227/mo

    Tasca Buick GMC Palm Harbor

    4.7
    Check Availability
    Palm Harbor, FL (995 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $68,048

    $1K

    MSRP $75,050

    Est. $1,279/mo

    Ferman Buick GMC

    4.8
    Check Availability
    Lutz, FL (991 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $72,799

    $1K

    MSRP $76,049

    Est. $1,368/mo

    Tasca Buick GMC Clearwater

    4.8
    Check Availability
    Clearwater, FL (1,003 mi)
    Quick view
  • Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4Volcanic Red 2026 GMC Sierra 1500 AT4

    $63,662

    $4.6K
    Est. $1,197/mo

    Regal Automotive Group

    4.6
    Check Availability
    Lakeland, FL (1,007 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $63,160

    MSRP $73,660

    Est. $1,187/mo

    Fabre Chevrolet GMC

    4.6
    Check Availability
    Saint Francisville, LA (794 mi)

    Quick view
  • Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4

    $63,750

    MSRP $72,330

    Est. $1,198/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    Gurnee, IL (38 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $60,655

    $2K

    MSRP $74,655

    Est. $1,140/mo

    Mayse Automotive

    4.6
    Check Availability
    Aurora, MO (471 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $64,500

    4,883 mi.
    Est. $1,212/mo

    Crown Buick GMC

    4.7
    Check Availability
    Metairie, LA (834 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4

    $66,435

    $1.5K

    MSRP $76,890

    Est. $1,249/mo

    Walt Massey Chevrolet GMC Lucedale

    4.8
    Check Availability
    Lucedale, MS (759 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $68,505

    $1K
    Est. $1,288/mo

    Pellegrino Buick GMC

    4.7
    Check Availability
    Williamstown, NJ (678 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $70,656

    MSRP $74,755

    Est. $1,328/mo

    Spitzer Chevrolet GMC Cadillac of Dubois

    4.6
    Check Availability
    DuBois, PA (462 mi)

    Quick view
  • Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4Sterling 2026 GMC Sierra 1500 AT4

    $72,241

    $1.7K
    Est. $1,358/mo

    Ewald Buick GMC of Menomonee Falls

    4.7
    Check Availability
    Menomonee Falls, WI (93 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4

    $71,505

    $3.2K

    MSRP $74,755

    Est. $1,344/mo

    Parks GMC Kernersville

    4.0
    Check Availability
    Kernersville, NC (568 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $70,710

    MSRP $72,960

    Est. $1,329/mo

    Jessup Auto Plaza

    4.6
    Check Availability
    Cathedral City, CA (1,661 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $67,950

    $3K
    Est. $1,277/mo

    Tasca Buick GMC Woonsocket

    4.8
    Check Availability
    Woonsocket, RI (829 mi)
    Quick view
  • Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4Gray 2026 GMC Sierra 1500 AT4

    $65,054

    MSRP $73,855

    Est. $1,223/mo

    Bob Howard Buick GMC

    4.6
    Check Availability
    Oklahoma City, OK (686 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $64,004

    Est. $1,203/mo

    Auto Gallery Chevrolet GMC, Inc.

    4.9
    Check Availability
    LaGrange, GA (628 mi)

    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $69,505

    Est. $1,306/mo

    Zimbrick Buick GMC Eastside

    4.8
    Check Availability
    Madison, WI (121 mi)
    Quick view
  • Titanium Rush Metallic 2026 GMC Sierra 1500 AT4Titanium Rush Metallic 2026 GMC Sierra 1500 AT4Titanium Rush Metallic 2026 GMC Sierra 1500 AT4Titanium Rush Metallic 2026 GMC Sierra 1500 AT4Titanium Rush Metallic 2026 GMC Sierra 1500 AT4Titanium Rush Metallic 2026 GMC Sierra 1500 AT4

    $61,951

    9,744 mi.
    Est. $1,164/mo

    Surprise Ford

    4.4
    Check Availability
    Surprise, AZ (1,464 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $63,747

    $2K
    Est. $1,198/mo

    Northwest Chevrolet of Bellingham

    4.6
    Check Availability
    Bellingham, WA (1,743 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4Sterling Metallic 2026 GMC Sierra 1500 AT4

    $66,584

    $376
    6,945 mi.
    Est. $1,252/mo

    Audi Grapevine

    4.7
    Check Availability
    Grapevine, TX (807 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $67,495

    $500
    4,699 mi.
    Est. $1,269/mo

    Bell & Bell GMC

    4.6
    Check Availability
    Little River, SC (737 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4Summit White 2026 GMC Sierra 1500 AT4

    $65,920

    MSRP $71,670

    Est. $1,239/mo

    Express Dyersburg Chevrolet GMC

    Check Availability
    Dyersburg, TN (414 mi)

    Quick view
  • Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4Onyx Black 2026 GMC Sierra 1500 AT4

    $65,950

    $1K

    MSRP $75,700

    Est. $1,240/mo

    Junction Auto Family - Chrysler Jeep Dodge Ram Buick GMC

    4.9
    Check Availability
    Chardon, OH (334 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4Coastal Dune 2026 GMC Sierra 1500 AT4

    $75,305

    MSRP $75,305

    Est. $1,415/mo

    Markley Buick GMC

    4.9
    Check Availability
    Fort Collins, CO (910 mi)
    Quick view

GMC Sierra 1500 prices by year

Model year Average price Deals
2025 GMC Sierra 1500 AT4 $60,173 82 Great deals
2024 GMC Sierra 1500 AT4 $55,489 26 Great deals
2023 GMC Sierra 1500 AT4 $50,238 15 Great deals
2022 GMC Sierra 1500 AT4 $45,048 40 Great deals
2021 GMC Sierra 1500 AT4 $38,349 122 Great deals
2020 GMC Sierra 1500 AT4 $36,789 38 Great deals
2019 GMC Sierra 1500 AT4 $33,476 16 Great deals

About the 2026 GMC Sierra 1500 AT4

Basics

AT4 shown.

Seating
5
Door count
4
Drivetrain
Four Wheel Drive
Combined MPG
23
Transmission
10-Speed A/T
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2026 GMC Sierra 1500 AT4
FAQs

How much does the 2026 GMC Sierra 1500 AT4 cost?

The 2026 GMC Sierra 1500 AT4 price depends on optional features. Prices typically start at $67,000.

What is the MPG of the 2026 GMC Sierra 1500 AT4?

The 2026 GMC Sierra 1500 AT4 offers up to 21 MPG in city driving and 24 MPG on the highway for a combined rating of 23 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 options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2026 GMC Sierra 1500 AT4?

The 2026 GMC Sierra 1500 AT4 compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 1500 AT4 reliable?

The 2026 GMC Sierra 1500 has an average reliability rating of 4.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 1500 owners.

Ratings (4 reviews)

75% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.0
Interior
4.0
Performance
4.2
Value
3.5
Exterior
4.2
Reliability
4.5
Trims

AT4 (2 styles)

Style
4WD Crew Cab 147" AT4 4WD Crew Cab 157" AT4
Inventory price
Starting at $67,000 Starting at $67,500
Combined MPG
23 23
Engine
420.0-hp, 6.2-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

2026 GMC Sierra 1500 AT4 by popular city

GMC Sierra 1500 trims