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  • Sterling Metallic 2026 GMC Sierra 1500 AT4

    $66,128

    MSRP $73,980

    Est. $1,209/mo

    Kerry Buick GMC

    4.5
    Cincinnati, OH (23 mi)
    Check Availability

  • Sterling Metallic 2026 GMC Sierra 1500 AT4

    $66,128

    MSRP $73,980

    Est. $1,209/mo

    Kerry Buick GMC

    4.5
    Cincinnati, OH (23 mi)
    Check Availability

  • 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

    $89,146

    MSRP $94,893

    Est. $1,630/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $69,852

    MSRP $75,704

    Est. $1,277/mo

    Jake Sweeney Buick GMC

    4.7
    Lebanon, OH (8 mi)
    Check Availability
  • 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

    $65,403

    $6.2K

    MSRP $75,255

    Est. $1,196/mo

    Mark Sweeney Buick GMC

    4.4
    Cincinnati, OH (29 mi)
    Check Availability
  • 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

    $60,960

    $8.2K

    MSRP $74,400

    Est. $1,115/mo

    Jake Sweeney Buick GMC

    4.7
    Lebanon, OH (8 mi)
    Check Availability
  • 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

    $89,489

    MSRP $95,236

    Est. $1,636/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $62,143

    $8.2K

    MSRP $75,749

    Est. $1,136/mo

    Mark Sweeney Buick GMC

    4.4
    Cincinnati, OH (29 mi)
    Check Availability
  • 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

    $68,483

    MSRP $74,230

    Est. $1,252/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $68,908

    MSRP $74,655

    Est. $1,260/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $67,527

    $2.2K

    MSRP $75,379

    Est. $1,235/mo

    Jake Sweeney Buick GMC

    4.7
    Lebanon, OH (8 mi)
    Check Availability
  • 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

    $65,762

    $9.6K

    MSRP $74,950

    Est. $1,202/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $70,097

    MSRP $75,949

    Est. $1,282/mo

    Jake Sweeney Buick GMC

    4.7
    Lebanon, OH (8 mi)
    Check Availability
  • 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

    $70,347

    MSRP $76,199

    Est. $1,286/mo

    Jake Sweeney Buick GMC

    4.7
    Lebanon, OH (8 mi)
    Check Availability
  • 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

    $65,973

    $3.4K

    MSRP $75,155

    Est. $1,206/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $62,148

    $8.2K

    MSRP $75,254

    Est. $1,136/mo

    Mark Sweeney Buick GMC

    4.4
    Cincinnati, OH (29 mi)
    Check Availability
  • 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

    $71,597

    MSRP $77,449

    Est. $1,309/mo

    Jake Sweeney Buick GMC

    4.7
    Lebanon, OH (8 mi)
    Check Availability
  • 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

    $88,651

    MSRP $94,398

    Est. $1,621/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $89,146

    MSRP $94,893

    Est. $1,630/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $66,423

    $3.4K

    MSRP $75,650

    Est. $1,215/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $89,146

    MSRP $94,893

    Est. $1,630/mo

    McCluskey Buick GMC

    4.4
    Cincinnati, OH (18 mi)
    Check Availability
  • 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

    $67,527

    $2.2K

    MSRP $75,379

    Est. $1,235/mo

    Jake Sweeney Buick GMC

    4.7
    Lebanon, OH (8 mi)
    Check Availability
  • 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

    $59,623

    3,317 mi.
    Est. $1,090/mo

    The BMW Store (Cincinnati)

    4.9
    Cincinnati, OH (28 mi)
    Check Availability
  • 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

    $55,386

    $500
    12,765 mi.
    Est. $1,013/mo

    Jake Sweeney Chevrolet

    4.4
    Cincinnati, OH (23 mi)
    Check Availability
  • 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

    $72,635

    MSRP $72,635

    Est. $1,328/mo

    Larkin Cobb Chevrolet Buick GMC

    Eaton, OH (26 mi)
    Check Availability
  • Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4Dune 2026 GMC Sierra 1500 AT4

    $67,872

    Est. $1,241/mo

    Laura Buick GMC

    4.4
    $631 delivery from Collinsville, IL (316 mi)
    Check Availability
  • 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

    $65,871

    Est. $1,204/mo

    Laura Buick GMC

    4.4
    $631 delivery from Collinsville, IL (316 mi)
    Check Availability

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 $68,300.

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 4.6 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 1500 owners.

Ratings (7 reviews)

85% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.4
Interior
4.4
Performance
4.6
Value
3.9
Exterior
4.6
Reliability
4.6
Trims

AT4 (2 styles)

Style
4WD Crew Cab 147" AT4 4WD Crew Cab 157" AT4
Inventory price
Starting at $68,300 Starting at $68,800
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)

2026 GMC Sierra 1500 AT4 by city

2026 GMC Sierra 1500 trims