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  • Coastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLE

    $57,880

    $1K

    MSRP $63,130

    Est. $1,041/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (30 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

    $48,330

    $1K

    MSRP $58,080

    Est. $869/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 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

    $47,785

    MSRP $57,285

    Est. $859/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 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

    $56,170

    $1K

    MSRP $61,420

    Est. $1,010/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (30 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

    $45,285

    MSRP $54,785

    Est. $815/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 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

    $54,625

    MSRP $61,875

    Est. $983/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 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

    $53,980

    $1K

    MSRP $61,730

    Est. $971/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (30 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

    $58,460

    $1K

    MSRP $63,710

    Est. $1,051/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (30 mi)
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  • Exterior Color 2026 GMC Sierra 1500 SLEExterior Color 2026 GMC Sierra 1500 SLEExterior Color 2026 GMC Sierra 1500 SLEExterior Color 2026 GMC Sierra 1500 SLEExterior Color 2026 GMC Sierra 1500 SLEExterior Color 2026 GMC Sierra 1500 SLE

    $45,240

    MSRP $54,740

    Est. $814/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 mi)
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  • Coastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLECoastal Dune 2026 GMC Sierra 1500 SLE

    $51,935

    $1K

    MSRP $57,185

    Est. $934/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (30 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

    $53,690

    MSRP $58,190

    Est. $966/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (30 mi)
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  • Woodland Green 2026 GMC Sierra 1500 SLEWoodland Green 2026 GMC Sierra 1500 SLEWoodland Green 2026 GMC Sierra 1500 SLEWoodland Green 2026 GMC Sierra 1500 SLEWoodland Green 2026 GMC Sierra 1500 SLEWoodland Green 2026 GMC Sierra 1500 SLE

    $45,240

    MSRP $54,740

    Est. $814/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 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

    $52,785

    MSRP $57,285

    Est. $949/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (30 mi)
    Quick view
  • Sterling 2026 GMC Sierra 1500 SLE

    $50,035

    MSRP $59,785

    Est. $900/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 1500 SLE

    $51,125

    $1K

    MSRP $60,875

    Est. $920/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 mi)
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  • Dune 2026 GMC Sierra 1500 SLE

    $52,735

    MSRP $62,485

    Est. $949/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 mi)
    Quick view
  • Sterling Metallic 2026 GMC Sierra 1500 SLE

    $61,540

    MSRP $64,790

    Est. $1,107/mo

    Bill Dodge GMC Buick

    4.5
    Check Availability
    Westbrook, ME (30 mi)
    Quick view
  • Summit White 2026 GMC Sierra 1500 SLE

    $52,910

    $1K

    MSRP $62,660

    Est. $952/mo

    Lee GMC Truck Center

    4.4
    Check Availability
    Auburn, ME (26 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

    $55,079

    Est. $991/mo

    Al Piemonte Buick GMC

    4.5
    Check Availability
    $1,388 delivery from Elmhurst, IL (926 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

    $55,079

    Est. $991/mo

    Al Piemonte Buick GMC

    4.5
    Check Availability
    $1,388 delivery from Elmhurst, IL (926 mi)
    Quick view
  • 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

    $56,875

    $1K

    MSRP $64,305

    Est. $1,023/mo

    Weirs Motor Sales, Inc.

    4.3
    Check Availability
    Arundel, ME (48 mi)
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  • Dune 2026 GMC Sierra 1500 SLEDune 2026 GMC Sierra 1500 SLEDune 2026 GMC Sierra 1500 SLEDune 2026 GMC Sierra 1500 SLEDune 2026 GMC Sierra 1500 SLEDune 2026 GMC Sierra 1500 SLE

    $57,480

    $1K

    MSRP $63,230

    Est. $1,034/mo

    Weirs Motor Sales, Inc.

    4.3
    Check Availability
    Arundel, ME (48 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

    $58,430

    $1K

    MSRP $64,180

    Est. $1,051/mo

    Weirs Motor Sales, Inc.

    4.3
    Check Availability
    Arundel, ME (48 mi)
    Quick view
  • 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

    $57,480

    $1K

    MSRP $63,230

    Est. $1,034/mo

    Weirs Motor Sales, Inc.

    4.3
    Check Availability
    Arundel, ME (48 mi)
    Quick view

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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GMC Sierra 1500 trims