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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

    $58,775

    $125
    1,832 mi.
    Est. $1,082/mo

    Express Terry Chevrolet GMC

    4.6
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    Terry, MS (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

    $68,240

    Est. $1,256/mo

    Express Terry Chevrolet GMC

    4.6
    Check Availability
    Terry, MS (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

    $62,995

    $1K

    MSRP $67,245

    Est. $1,160/mo

    Fowler GMC

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    Pearl, MS (11 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

    $70,975

    Est. $1,307/mo

    Express Terry Chevrolet GMC

    4.6
    Check Availability
    Terry, MS (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

    $62,995

    $1K

    MSRP $67,245

    Est. $1,160/mo

    Fowler GMC

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    Pearl, MS (11 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

    $63,690

    $1K

    MSRP $67,940

    Est. $1,173/mo

    Fowler GMC

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    Pearl, MS (11 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

    $69,330

    Est. $1,277/mo

    Express Terry Chevrolet GMC

    4.6
    Check Availability
    Terry, MS (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

    $62,795

    $1K

    MSRP $67,045

    Est. $1,156/mo

    Fowler GMC

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    Pearl, MS (11 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

    $63,690

    $1K

    MSRP $67,940

    Est. $1,173/mo

    Fowler GMC

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    Pearl, MS (11 mi)
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  • Summit White 2026 GMC Sierra 1500 SLT

    $65,790

    MSRP $68,040

    Est. $1,211/mo

    Fowler GMC

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    Pearl, MS (11 mi)
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  • Onyx Black 2026 GMC Sierra 1500 SLT

    $66,285

    MSRP $68,535

    Est. $1,221/mo

    Fowler GMC

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    Pearl, MS (11 mi)
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  • Summit White 2026 GMC Sierra 1500 SLT

    $62,995

    $1K

    MSRP $67,245

    Est. $1,160/mo

    Fowler GMC

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    Pearl, MS (11 mi)
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  • $63,490

    $1K

    MSRP $67,740

    Est. $1,169/mo

    Fowler GMC

    Check Availability
    Pearl, MS (11 mi)
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  • $66,285

    MSRP $68,535

    Est. $1,221/mo

    Fowler GMC

    Check Availability
    Pearl, MS (11 mi)
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  • $63,490

    $1K

    MSRP $67,740

    Est. $1,169/mo

    Fowler GMC

    Check Availability
    Pearl, MS (11 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

    $60,762

    $1K

    MSRP $66,790

    Est. $1,119/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (351 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

    $58,599

    $1K

    MSRP $64,560

    Est. $1,079/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (351 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

    $54,995

    $288
    2,537 mi.
    Est. $1,013/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 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

    $58,420

    $10K

    MSRP $69,335

    Est. $1,076/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 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

    $67,940

    MSRP $67,940

    Est. $1,251/mo

    Stan King GMC Superstore

    Check Availability
    Brookhaven, MS (54 mi)
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  • SILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLT

    $57,820

    $10K

    MSRP $68,735

    Est. $1,065/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 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

    $69,130

    MSRP $69,130

    Est. $1,273/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 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

    $55,525

    $9.9K

    MSRP $65,440

    Est. $1,022/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 mi)
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  • SILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLT

    $58,620

    $9.9K

    MSRP $68,535

    Est. $1,079/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 mi)
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  • SILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLT

    $58,620

    $9.9K

    MSRP $68,535

    Est. $1,079/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 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

    $60,215

    $9.9K

    MSRP $70,130

    Est. $1,109/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 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

    $57,970

    $10K

    MSRP $68,885

    Est. $1,067/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 mi)
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  • SILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLTSILVER 2026 GMC Sierra 1500 SLT

    $58,620

    $9.9K

    MSRP $68,535

    Est. $1,079/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 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

    $56,975

    $10K

    MSRP $67,890

    Est. $1,049/mo

    Legacy GMC of Laurel

    4.7
    Check Availability
    Laurel, MS (75 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2025 GMC Sierra 1500 SLT $47,999

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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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 SLT by city

GMC Sierra 1500 trims