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  • Black 2026 GMC Sierra 1500 SLT

    $71,070

    MSRP $71,070

    Est. $1,287/mo

    Central GMC of Norwood

    4.9
    Check Availability
    Norwood, MA (22 mi)

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  • Gray 2026 GMC Sierra 1500 SLT

    $69,664

    MSRP $69,664

    Est. $1,262/mo

    Central GMC of Norwood

    4.9
    Check Availability
    Norwood, MA (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

    $52,425

    $1.5K
    15,206 mi.
    Est. $950/mo

    Nucar Chevrolet of Lowell

    4.6
    Check Availability
    Lowell, MA (8 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

    $53,820

    $680
    15,826 mi.
    Est. $975/mo

    Nucar Chevrolet of Lowell

    4.6
    Check Availability
    Lowell, MA (8 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

    $58,176

    $1K

    MSRP $68,869

    Est. $1,054/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (8 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

    $61,104

    $1K

    MSRP $71,425

    Est. $1,107/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (8 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

    $61,608

    $1K

    MSRP $71,955

    Est. $1,116/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (8 mi)
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  • White 2026 GMC Sierra 1500 SLT

    $69,169

    MSRP $69,169

    Est. $1,253/mo

    Central GMC of Norwood

    4.9
    Check Availability
    Norwood, MA (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

    $57,987

    $1K

    MSRP $68,670

    Est. $1,050/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (8 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

    $61,104

    $1K

    MSRP $71,425

    Est. $1,107/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (8 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

    $61,336

    $1K

    MSRP $72,195

    Est. $1,111/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (8 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

    $65,526

    $1K

    MSRP $76,079

    Est. $1,187/mo

    Albrecht Buick GMC of Wakefield

    4.0
    Check Availability
    Wakefield, MA (8 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

    $63,697

    $1K

    MSRP $68,570

    Est. $1,154/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (18 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

    $61,267

    $6.5K

    MSRP $67,820

    Est. $1,110/mo

    Central GMC of Norwood

    4.9
    Check Availability
    Norwood, MA (22 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

    $65,034

    $1K

    MSRP $68,735

    Est. $1,178/mo

    GMC Danvers

    Check Availability
    Danvers, MA (16 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

    $50,000

    $1.5K
    19,977 mi.
    Est. $906/mo

    GMC Danvers

    Check Availability
    Danvers, MA (16 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

    $68,735

    MSRP $68,735

    Est. $1,245/mo

    McGovern GMC of Westborough

    4.7
    Check Availability
    Westborough, MA (26 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

    $61,941

    MSRP $68,735

    Est. $1,122/mo

    GMC Danvers

    Check Availability
    Danvers, MA (16 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

    $64,122

    $1K

    MSRP $68,995

    Est. $1,162/mo

    Tulley Buick GMC of Nashua

    4.7
    Check Availability
    Nashua, NH (18 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

    $61,469

    MSRP $68,240

    Est. $1,113/mo

    GMC Danvers

    Check Availability
    Danvers, MA (16 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

    $61,941

    MSRP $68,735

    Est. $1,122/mo

    GMC Danvers

    Check Availability
    Danvers, MA (16 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

    $61,941

    MSRP $68,735

    Est. $1,122/mo

    GMC Danvers

    Check Availability
    Danvers, MA (16 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

    $64,539

    $1K

    MSRP $68,240

    Est. $1,169/mo

    GMC Danvers

    Check Availability
    Danvers, MA (16 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

    $69,170

    MSRP $69,170

    Est. $1,253/mo

    McGovern GMC of Westborough

    4.7
    Check Availability
    Westborough, MA (26 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

    $68,170

    MSRP $68,170

    Est. $1,235/mo

    McGovern GMC of Westborough

    4.7
    Check Availability
    Westborough, MA (26 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

    $54,300

    24 mi.
    Est. $984/mo

    Impex Chevrolet GMC

    4.7
    Check Availability
    $707 delivery from Reidsville, NC (620 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

    $53,900

    24 mi.
    Est. $976/mo

    Impex Chevrolet GMC

    4.7
    Check Availability
    $707 delivery from Reidsville, NC (620 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