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
  • 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

    $60,805

    $2K

    MSRP $74,805

    Est. $1,143/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

    $74,560

    MSRP $74,560

    Est. $1,401/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

    $73,855

    MSRP $73,855

    Est. $1,388/mo

    Rainbow Northshore GMC

    4.7
    Check Availability
    Covington, LA (800 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

    $68,367

    Est. $1,285/mo

    Gettel Chevrolet Buick GMC of Charlotte County

    4.5
    Check Availability
    Punta Gorda, FL (1,082 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

    $71,478

    MSRP $74,355

    Est. $1,344/mo

    Century Buick GMC

    4.8
    Check Availability
    Tampa, FL (1,003 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

    $67,300

    $1K

    MSRP $75,550

    Est. $1,265/mo

    Tom Clark Buick GMC

    4.8
    Check Availability
    Denton, TX (794 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

    $65,900

    $7.5K
    Est. $1,239/mo

    Starling Chevrolet GMC

    4.9
    Check Availability
    Saint Cloud, FL (1,008 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

    $75,155

    MSRP $75,155

    Est. $1,413/mo

    Thompson Buick Cadillac GMC

    3.8
    Check Availability
    Raleigh, NC (641 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

    $75,750

    MSRP $75,750

    Est. $1,424/mo

    Stan McNabb Chevrolet Buick GMC Cadillac

    4.4
    Check Availability
    Tullahoma, TN (455 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

    $62,895

    7,580 mi.
    Est. $1,182/mo

    Group 1 Buick GMC North

    4.4
    Check Availability
    Houston, TX (937 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

    $100,495

    $3.1K
    Est. $1,889/mo

    Dave Arbogast Buick GMC

    4.8
    Check Availability
    Troy, OH (220 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

    $116,747

    $1K
    Est. $2,194/mo

    Dave Arbogast Buick GMC

    4.8
    Check Availability
    Troy, OH (220 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

    $70,544

    $2.5K

    MSRP $74,540

    Est. $1,326/mo

    AutoNation Buick GMC Park Meadows

    4.4
    Check Availability
    Lone Tree, CO (917 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

    $75,055

    MSRP $75,055

    Est. $1,411/mo

    Thompson Buick Cadillac GMC

    3.8
    Check Availability
    Raleigh, NC (641 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

    $59,900

    6,479 mi.
    Est. $1,126/mo

    Legacy Westbank Buick GMC

    4.5
    Check Availability
    Harvey, LA (841 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

    $64,220

    987 mi.
    Est. $1,207/mo

    BMW of Houston North

    4.7
    Check Availability
    Houston, TX (927 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
  • 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

    $72,147

    $1.7K

    MSRP $76,700

    Est. $1,356/mo

    Delray Buick GMC

    4.8
    Check Availability
    Delray Beach, FL (1,151 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

    $103,802

    Est. $1,951/mo

    Schumacher Buick GMC of West Palm Beach

    4.8
    Check Availability
    West Palm Beach, FL (1,133 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

    $102,395

    Est. $1,925/mo

    Rick Hendrick Chevrolet Buick GMC

    4.7
    Check Availability
    Richmond, VA (606 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

    $65,192

    $1K
    Est. $1,225/mo

    Jim Causley Buick GMC

    4.5
    Check Availability
    Clinton Township, MI (248 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

    $61,756

    $480
    3,585 mi.
    Est. $1,161/mo

    Clay Cooley Volkswagen of Park Cities

    4.4
    Check Availability
    Dallas, TX (803 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

    $65,500

    $10K

    MSRP $75,750

    Est. $1,231/mo

    Kirksville Motor Company

    4.9
    Check Availability
    Kirksville, MO (282 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 AT4

    $64,968

    14,917 mi.
    Est. $1,221/mo

    Principle Volvo Cars San Antonio

    4.7
    Check Availability
    San Antonio, TX (1,046 mi)
    Quick view
  • Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4Tan 2026 GMC Sierra 1500 AT4

    $69,095

    MSRP $73,660

    Est. $1,299/mo

    Spitzer Chevrolet GMC Cadillac of Dubois

    4.6
    Check Availability
    DuBois, PA (462 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

    $65,020

    MSRP $76,345

    Est. $1,222/mo

    Mandal Buick GMC Inc.

    4.6
    Check Availability
    D'lberville, MS (793 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

    $71,205

    MSRP $73,455

    Est. $1,338/mo

    Jessup Auto Plaza

    4.6
    Check Availability
    Cathedral City, CA (1,661 mi)
    Quick view

GMC Sierra 1500 prices by year

Model year Average price Deals
2025 GMC Sierra 1500 AT4 $60,128 84 Great deals
2024 GMC Sierra 1500 AT4 $55,620 25 Great deals
2023 GMC Sierra 1500 AT4 $50,465 12 Great deals
2022 GMC Sierra 1500 AT4 $45,003 32 Great deals
2021 GMC Sierra 1500 AT4 $38,238 120 Great deals
2020 GMC Sierra 1500 AT4 $36,867 41 Great deals
2019 GMC Sierra 1500 AT4 $33,806 11 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