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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

    $49,097

    MSRP $58,935

    Est. $896/mo

    Napleton's Schaumburg Buick GMC

    4.2
    Check Availability
    Schaumburg, IL (12 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

    $50,659

    $1.2K

    MSRP $60,340

    Est. $924/mo

    Advantage Buick GMC

    4.9
    Check Availability
    Hodgkins, IL (24 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

    $53,756

    MSRP $62,684

    Est. $981/mo

    Castle Chevrolet GMC

    4.4
    Check Availability
    McHenry, IL (25 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

    $57,114

    MSRP $62,835

    Est. $1,042/mo

    Haggerty Buick GMC Inc

    5.0
    Check Availability
    Villa Park, IL (16 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

    $52,612

    MSRP $62,280

    Est. $960/mo

    Bill Kay Buick GMC

    4.4
    Check Availability
    Downers Grove, IL (15 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

    $54,579

    Est. $996/mo

    Al Piemonte Buick GMC

    4.5
    Check Availability
    Elmhurst, IL (16 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

    $53,942

    MSRP $63,780

    Est. $984/mo

    Napleton's Schaumburg Buick GMC

    4.2
    Check Availability
    Schaumburg, IL (12 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

    $51,110

    $1.2K

    MSRP $60,835

    Est. $932/mo

    Advantage Buick GMC

    4.9
    Check Availability
    Hodgkins, IL (24 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

    $54,601

    MSRP $62,285

    Est. $996/mo

    Haggerty Buick GMC Inc

    5.0
    Check Availability
    Villa Park, IL (16 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

    $52,197

    $700

    MSRP $62,055

    Est. $952/mo

    Zeigler Buick GMC of Lincolnwood

    4.3
    Check Availability
    Lincolnwood, IL (29 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

    $51,110

    $1.2K

    MSRP $60,835

    Est. $932/mo

    Advantage Buick GMC

    4.9
    Check Availability
    Hodgkins, IL (24 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

    $56,941

    $1.1K

    MSRP $65,045

    Est. $1,039/mo

    Advantage Buick GMC

    4.9
    Check Availability
    Hodgkins, IL (24 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

    $57,114

    MSRP $62,835

    Est. $1,042/mo

    Haggerty Buick GMC Inc

    5.0
    Check Availability
    Villa Park, IL (16 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

    $50,659

    $1.2K

    MSRP $60,340

    Est. $924/mo

    Advantage Buick GMC

    4.9
    Check Availability
    Hodgkins, IL (24 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

    $53,382

    MSRP $63,905

    Est. $974/mo

    Castle Chevrolet GMC

    4.4
    Check Availability
    McHenry, IL (25 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

    $48,303

    MSRP $58,090

    Est. $881/mo

    Castle Chevrolet GMC

    4.4
    Check Availability
    McHenry, IL (25 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

    $53,756

    MSRP $62,864

    Est. $981/mo

    Castle Chevrolet GMC

    4.4
    Check Availability
    McHenry, IL (25 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 SLE

    $52,862

    MSRP $61,950

    Est. $964/mo

    Napleton's Schaumburg Buick GMC

    4.2
    Check Availability
    Schaumburg, IL (12 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

    $50,552

    MSRP $60,390

    Est. $922/mo

    Napleton's Schaumburg Buick GMC

    4.2
    Check Availability
    Schaumburg, IL (12 mi)
    Quick view
  • 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

    $51,110

    $1.2K

    MSRP $60,835

    Est. $932/mo

    Advantage Buick GMC

    4.9
    Check Availability
    Hodgkins, IL (24 mi)

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  • Onyx Black 2026 GMC Sierra 1500 SLE

    $55,007

    MSRP $64,845

    Est. $1,003/mo

    Napleton's Schaumburg Buick GMC

    4.2
    Check Availability
    Schaumburg, IL (12 mi)
    Quick view
  • 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

    $53,979

    Est. $985/mo

    Al Piemonte Buick GMC

    4.5
    Check Availability
    Elmhurst, IL (16 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

    $46,679

    $1.2K
    Est. $852/mo

    Laura Buick GMC

    4.5
    Check Availability
    $487 delivery from Collinsville, IL (244 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

    $49,883

    Est. $910/mo

    Laura Buick GMC

    4.5
    Check Availability
    $487 delivery from Collinsville, IL (244 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