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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

    $49,897

    $100
    22,134 mi.
    Est. $938/mo

    Gettel Chevrolet Buick GMC of Charlotte County

    4.5
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    Punta Gorda, FL (1,082 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

    $68,140

    MSRP $70,390

    Est. $1,281/mo

    Starling Buick GMC Stuart

    4.9
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    Stuart, FL (1,095 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

    $65,230

    MSRP $70,480

    Est. $1,226/mo

    Ed Martin Buick GMC

    4.9
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    Carmel, IN (154 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

    $68,179

    MSRP $70,429

    Est. $1,282/mo

    Rusty Drewing Chevrolet Buick GMC

    4.8
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    Jefferson City, MO (334 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

    $61,057

    $2.1K
    Est. $1,148/mo

    Budd Baer Buick GMC Mazda Subaru

    4.8
    Check Availability
    Washington, PA (403 mi)
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  • Gray 2026 GMC Sierra 1500 SLTGray 2026 GMC Sierra 1500 SLTGray 2026 GMC Sierra 1500 SLTGray 2026 GMC Sierra 1500 SLTGray 2026 GMC Sierra 1500 SLTGray 2026 GMC Sierra 1500 SLT

    $57,620

    MSRP $61,645

    Est. $1,083/mo

    Group 1 Buick GMC North

    4.4
    Check Availability
    Houston, TX (937 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

    $67,260

    $3.2K

    MSRP $70,510

    Est. $1,264/mo

    Fresno Buick GMC

    3.9
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    Fresno, CA (1,743 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

    $55,750

    4,568 mi.
    Est. $1,048/mo

    Fabre Chevrolet GMC

    4.6
    Check Availability
    Saint Francisville, LA (794 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

    $53,987

    18,018 mi.
    Est. $1,015/mo

    Banks Chevy GMC Buick

    4.8
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    Concord, NH (826 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

    $69,365

    Est. $1,304/mo

    Conley Buick GMC

    3.1
    Check Availability
    Bradenton, FL (1,037 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

    $51,216

    16,344 mi.
    Est. $963/mo

    AutoNation USA Katy

    4.5
    Check Availability
    Houston, TX (948 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

    $57,088

    MSRP $65,955

    Est. $1,073/mo

    Kunes Buick GMC of Greenfield

    4.2
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    Greenfield, WI (79 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

    $61,395

    MSRP $61,395

    Est. $1,154/mo

    Rainbow Northshore GMC

    4.7
    Check Availability
    Covington, LA (800 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

    $54,243

    15,965 mi.
    Est. $1,020/mo

    ALL STAR BUICK GMC TRUCK

    Check Availability
    Sulphur, LA (866 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

    $62,465

    $692
    Est. $1,174/mo

    Ewald Buick GMC of Menomonee Falls

    4.7
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    Menomonee Falls, WI (93 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

    $66,735

    $3K

    MSRP $69,735

    Est. $1,254/mo

    Hill Buick GMC

    5.0
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    Newtown Square, PA (651 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

    $57,745

    MSRP $61,995

    Est. $1,085/mo

    Mark Christopher Chevrolet Buick GMC Cadillac

    4.6
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    Ontario, CA (1,709 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

    $52,991

    12,546 mi.
    Est. $996/mo

    Paradise Chevrolet of Temecula

    4.8
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    TEMECULA, CA (1,704 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

    $60,637

    Est. $1,140/mo

    AutoNation Buick GMC Henderson

    4.3
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    Henderson, NV (1,519 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

    $57,985

    $10K
    Est. $1,090/mo

    Husker Auto Group

    4.7
    Check Availability
    Lincoln, NE (474 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

    $60,680

    MSRP $69,520

    Est. $1,141/mo

    Hardin Buick GMC

    4.6
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    Anaheim, CA (1,731 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

    $54,955

    MSRP $69,955

    Est. $1,033/mo

    Mayse Automotive

    4.6
    Check Availability
    Aurora, MO (471 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

    $65,174

    Est. $1,225/mo

    Lester Glenn GMC

    4.9
    Check Availability
    Toms River, NJ (715 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

    $51,998

    $1K
    16,864 mi.
    Est. $977/mo

    McLoughlin Chevrolet

    4.6
    Check Availability
    Milwaukie, OR (1,752 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

    $54,312

    MSRP $68,270

    Est. $1,021/mo

    McKinney Buick GMC

    4.1
    Check Availability
    McKinney, TX (779 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

    $59,805

    $3.2K

    MSRP $70,065

    Est. $1,124/mo

    Fountain Buick GMC

    4.6
    Check Availability
    Orlando, FL (993 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

    $55,495

    23,658 mi.
    Est. $1,043/mo

    Lexus Clear Lake

    4.8
    Check Availability
    Friendswood, TX (950 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

    $60,765

    $4.2K
    Est. $1,142/mo

    Southern Buick GMC Greenbrier

    4.0
    Check Availability
    Chesapeake, VA (703 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2025 GMC Sierra 1500 SLT $52,292 538 Great deals
2024 GMC Sierra 1500 SLT $45,974 151 Great deals
2023 GMC Sierra 1500 SLT $44,360 77 Great deals
2022 GMC Sierra 1500 SLT $40,860 45 Great deals
2021 GMC Sierra 1500 SLT $35,826 90 Great deals
2020 GMC Sierra 1500 SLT $33,773 58 Great deals
2019 GMC Sierra 1500 SLT $32,595 16 Great deals
2018 GMC Sierra 1500 SLT $28,144 47 Great deals
2017 GMC Sierra 1500 SLT $25,064 39 Great deals

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 popular city

GMC Sierra 1500 trims