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  • Onyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLE

    $50,633

    Est. $946/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)

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  • Onyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLE

    $46,546

    Est. $870/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)

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  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $38,587

    MSRP $52,345

    Est. $721/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (7 mi)
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  • Onyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLE

    $48,429

    Est. $905/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Onyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLE

    $50,633

    Est. $946/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Sterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLE

    $50,908

    Est. $951/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Onyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLE

    $46,048

    Est. $860/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Cardinal Red 2026 GMC Sierra 1500 SLECardinal Red 2026 GMC Sierra 1500 SLECardinal Red 2026 GMC Sierra 1500 SLECardinal Red 2026 GMC Sierra 1500 SLECardinal Red 2026 GMC Sierra 1500 SLECardinal Red 2026 GMC Sierra 1500 SLE

    $46,048

    Est. $860/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)

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  • Onyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLE

    $50,908

    Est. $951/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Sterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLE

    $45,995

    Est. $859/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $41,524

    MSRP $55,645

    Est. $776/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (7 mi)
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  • Sterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLE

    $44,986

    Est. $841/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $38,587

    MSRP $52,345

    Est. $721/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (7 mi)
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  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $50,470

    Est. $943/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)

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  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $46,929

    Est. $877/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $50,195

    Est. $938/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Onyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLEOnyx Black 2026 GMC Sierra 1500 SLE

    $44,348

    Est. $829/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Sterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLE

    $48,429

    $2K
    Est. $905/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Sterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLE

    $48,704

    Est. $910/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $47,991

    Est. $897/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)

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  • Sterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLESterling 2026 GMC Sierra 1500 SLE

    $50,633

    Est. $946/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 1500 SLETitanium Rush Metallic 2026 GMC Sierra 1500 SLETitanium Rush Metallic 2026 GMC Sierra 1500 SLETitanium Rush Metallic 2026 GMC Sierra 1500 SLETitanium Rush Metallic 2026 GMC Sierra 1500 SLETitanium Rush Metallic 2026 GMC Sierra 1500 SLE

    $44,348

    Est. $829/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (28 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $40,585

    MSRP $54,590

    Est. $758/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (7 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 SLESterling Metallic 2026 GMC Sierra 1500 SLESterling Metallic 2026 GMC Sierra 1500 SLESterling Metallic 2026 GMC Sierra 1500 SLESterling Metallic 2026 GMC Sierra 1500 SLESterling Metallic 2026 GMC Sierra 1500 SLE

    $52,299

    $401

    MSRP $62,280

    Est. $977/mo

    Bill Kay Buick GMC

    4.4
    Check Availability
    $529 delivery from Downers Grove, IL (265 mi)
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  • Summit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLESummit White 2026 GMC Sierra 1500 SLE

    $54,629

    Est. $1,021/mo

    Al Piemonte Buick GMC

    4.5
    Check Availability
    $411 delivery from Elmhurst, IL (275 mi)
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About the 2026 GMC Sierra 1500 SLE

Basics

SLE shown.

Seating
6
Door count
4
Drivetrain
Rear Wheel Drive
Combined MPG
20
Transmission
10-Speed A/T
Engine
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel)
Side view of the 2026 GMC Sierra 1500 SLE
FAQs

How much does the 2026 GMC Sierra 1500 SLE cost?

The 2026 GMC Sierra 1500 SLE price depends on optional features. Prices typically start at $48,700.

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

The 2026 GMC Sierra 1500 SLE offers up to 18 MPG in city driving and 21 MPG on the highway for a combined rating of 20 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 SLE?

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


Is the 2026 GMC Sierra 1500 SLE 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

SLE (5 styles)

Style
4WD Crew Cab 157" SLE 2WD Crew Cab 147" SLE 4WD Crew Cab 147" SLE 4WD Double Cab 147" SLE 2WD Double Cab 147" SLE
Inventory price
Starting at $54,900 Starting at $51,300 Starting at $54,600 Starting at $52,000 Starting at $48,700
Combined MPG
18 20 18 18 20
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)
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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 SLE by city

GMC Sierra 1500 trims