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  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $62,809

    MSRP $70,555

    Est. $1,162/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 mi)

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  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $62,940

    $1K
    Est. $1,165/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
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  • White 2026 GMC Sierra 1500 SLTWhite 2026 GMC Sierra 1500 SLTWhite 2026 GMC Sierra 1500 SLTWhite 2026 GMC Sierra 1500 SLTWhite 2026 GMC Sierra 1500 SLTWhite 2026 GMC Sierra 1500 SLT

    $58,916

    Est. $1,090/mo

    Mauer GMC

    4.8
    Check Availability
    Inver Grove Heights, MN (25 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $61,285

    Est. $1,134/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLT

    $61,780

    $1.9K

    MSRP $71,810

    Est. $1,143/mo

    McCarthy Auto World

    4.1
    Check Availability
    Coon Rapids, MN (4 mi)
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  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $64,415

    $1K
    Est. $1,192/mo

    White Bear Lake Superstore

    4.7
    Check Availability
    St Paul, MN (20 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $63,375

    $1K
    Est. $1,173/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
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  • Sterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLTSterling 2026 GMC Sierra 1500 SLT

    $61,320

    Est. $1,135/mo

    Lupient Buick GMC

    4.0
    Check Availability
    Golden Valley, MN (14 mi)
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  • Glacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLT

    $61,525

    $1K
    Est. $1,138/mo

    White Bear Lake Superstore

    4.7
    Check Availability
    St Paul, MN (20 mi)
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  • Red 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLT

    $60,441

    Est. $1,118/mo

    Mauer GMC

    4.8
    Check Availability
    Inver Grove Heights, MN (25 mi)
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  • Black 2026 GMC Sierra 1500 SLTBlack 2026 GMC Sierra 1500 SLTBlack 2026 GMC Sierra 1500 SLTBlack 2026 GMC Sierra 1500 SLTBlack 2026 GMC Sierra 1500 SLTBlack 2026 GMC Sierra 1500 SLT

    $60,302

    Est. $1,116/mo

    Mauer GMC

    4.8
    Check Availability
    Inver Grove Heights, MN (25 mi)
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  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $60,485

    Est. $1,119/mo

    Luther Brookdale Chevrolet

    4.5
    Check Availability
    BROOKLYN CENTER, MN (7 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $58,687

    $1K

    MSRP $69,330

    Est. $1,086/mo

    Walser Buick GMC Bloomington

    4.2
    Check Availability
    Bloomington, MN (22 mi)
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  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $63,375

    $500
    Est. $1,173/mo

    Lupient Buick GMC

    4.0
    Check Availability
    Golden Valley, MN (14 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLT

    $60,085

    $1K
    Est. $1,112/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
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  • Red 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLTRed 2026 GMC Sierra 1500 SLT

    $60,256

    Est. $1,115/mo

    Mauer GMC

    4.8
    Check Availability
    Inver Grove Heights, MN (25 mi)
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  • Volcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 1500 SLT

    $62,430

    Est. $1,155/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
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  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $61,980

    $1K
    Est. $1,147/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLTGlacier White Tricoat 2026 GMC Sierra 1500 SLT

    $63,075

    $1K
    Est. $1,167/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $60,280

    Est. $1,115/mo

    Luther Brookdale Chevrolet

    4.5
    Check Availability
    BROOKLYN CENTER, MN (7 mi)
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  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $62,310

    Est. $1,153/mo

    Fury GMC Forest Lake

    Check Availability
    Forest Lake, MN (21 mi)
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  • Glacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLTGlacier White 2026 GMC Sierra 1500 SLT

    $61,920

    $1K
    Est. $1,146/mo

    Lupient Buick GMC

    4.0
    Check Availability
    Golden Valley, MN (14 mi)
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  • Sterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLTSterling Metallic 2026 GMC Sierra 1500 SLT

    $64,335

    $1K
    Est. $1,190/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (22 mi)
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  • Summit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLTSummit White 2026 GMC Sierra 1500 SLT

    $52,995

    6,121 mi.
    Est. $981/mo

    Laura Buick GMC

    4.6
    Check Availability
    $960 delivery from Collinsville, IL (481 mi)
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  • Onyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLTOnyx Black 2026 GMC Sierra 1500 SLT

    $56,995

    Est. $1,055/mo

    Laura Buick GMC

    4.6
    Check Availability
    $960 delivery from Collinsville, IL (481 mi)
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About the 2026 GMC Sierra 1500 SLT

Basics

SLT shown.

Seating
5
Door count
4
Drivetrain
Rear Wheel Drive
Combined MPG
17
Transmission
10-Speed A/T
Engine
305.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Diesel Fuel)
Side view of the 2026 GMC Sierra 1500 SLT
FAQs

How much does the 2026 GMC Sierra 1500 SLT cost?

The 2026 GMC Sierra 1500 SLT price depends on optional features. Prices typically start at $55,100.

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

The 2026 GMC Sierra 1500 SLT offers up to 16 MPG in city driving and 20 MPG on the highway for a combined rating of 17 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 SLT?

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


Is the 2026 GMC Sierra 1500 SLT 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

SLT (3 styles)

Style
2WD Crew Cab 147" SLT 4WD Crew Cab 147" SLT 4WD Crew Cab 157" SLT
Inventory price
Starting at $55,100 Starting at $58,200 Starting at $58,900
Combined MPG
17 16 16
Engine
305.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Diesel Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
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2026 GMC Sierra 1500 SLT by city

GMC Sierra 1500 trims