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  • Gray 2026 GMC Sierra 1500 SLT

    $62,310

    MSRP $71,060

    Est. $1,137/mo

    Davis Gainesville Chevrolet GMC

    4.5
    Check Availability
    Gainesville, FL (16 mi)
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  • White 2026 GMC Sierra 1500 SLT

    $66,785

    MSRP $69,035

    Est. $1,218/mo

    Davis Gainesville Chevrolet GMC

    4.5
    Check Availability
    Gainesville, FL (16 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

    $58,076

    MSRP $62,990

    Est. $1,059/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (782 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

    $60,854

    $5K

    MSRP $65,854

    Est. $1,110/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Free delivery from Houston, TX (782 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

    $54,763

    10,580 mi.
    Est. $999/mo

    Sullivan Buick GMC Truck

    4.5
    Check Availability
    Ocala, FL (50 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

    $55,724

    $163
    4,123 mi.
    Est. $1,017/mo

    Coggin Buick GMC

    4.6
    Check Availability
    Jacksonville, FL (36 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

    $59,684

    $6.8K

    MSRP $68,815

    Est. $1,089/mo

    Coggin Buick GMC

    4.6
    Check Availability
    Jacksonville, FL (36 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

    $57,839

    Est. $1,055/mo

    Lake City GMC

    4.8
    Check Availability
    Lake City, FL (36 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

    $59,960

    Est. $1,094/mo

    Garber Automall

    3.7
    Check Availability
    Green Cove Springs, FL (31 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

    $58,916

    Est. $1,075/mo

    Garber Automall

    3.7
    Check Availability
    Green Cove Springs, FL (31 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

    $63,780

    Est. $1,164/mo

    Sullivan Buick GMC Truck

    4.5
    Check Availability
    Ocala, FL (50 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

    $57,241

    Est. $1,044/mo

    Lake City GMC

    4.8
    Check Availability
    Lake City, FL (36 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

    $60,656

    $6.9K

    MSRP $69,895

    Est. $1,107/mo

    Coggin Buick GMC

    4.6
    Check Availability
    Jacksonville, FL (36 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

    $58,852

    Est. $1,074/mo

    Lake City GMC

    4.8
    Check Availability
    Lake City, FL (36 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

    $52,825

    Est. $964/mo

    Lake City GMC

    4.8
    Check Availability
    Lake City, FL (36 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

    $57,480

    Est. $1,049/mo

    Lake City GMC

    4.8
    Check Availability
    Lake City, FL (36 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