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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $43,571

    $1K
    36,248 mi.
    Est. $774/mo

    Advantage Cadillac

    4.8
    Check Availability
    Hodgkins, IL (14 mi)

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  • Onyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLT

    $46,894

    $644
    37,267 mi.
    Est. $833/mo

    Landers McLarty Dodge Chrysler Jeep Ram - Huntsville

    4.6
    Check Availability
    Huntsville, AL (496 mi)

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  • Sterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLT

    $46,178

    $966
    42,693 mi.
    Est. $820/mo

    Ken Garff Toyota Cheyenne

    4.7
    Check Availability
    Cheyenne, WY (891 mi)
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  • White Frost Tricoat 2025 GMC Sierra 1500 SLTWhite Frost Tricoat 2025 GMC Sierra 1500 SLTWhite Frost Tricoat 2025 GMC Sierra 1500 SLTWhite Frost Tricoat 2025 GMC Sierra 1500 SLTWhite Frost Tricoat 2025 GMC Sierra 1500 SLTWhite Frost Tricoat 2025 GMC Sierra 1500 SLT

    $41,493

    $1.1K
    54,225 mi.
    Est. $737/mo

    Rivard Buick GMC

    4.8
    Check Availability
    Tampa, FL (1,008 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $40,664

    $500
    36,664 mi.
    Est. $722/mo

    ALM Mall of GA

    4.2
    Check Availability
    Buford, GA (574 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $43,802

    $1.5K
    39,584 mi.
    Est. $778/mo

    Town East Ford

    4.7
    Check Availability
    Mesquite, TX (798 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $39,775

    $1.7K
    47,729 mi.
    Est. $706/mo

    Moritz Kia Hurst

    4.9
    Check Availability
    Hurst, TX (817 mi)
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  • Onyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLT

    $44,549

    $2K
    65,569 mi.
    Est. $791/mo

    Reliable Chevrolet

    4.7
    Check Availability
    Albuquerque, NM (1,124 mi)

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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $46,399

    $500
    28,843 mi.
    Est. $824/mo

    Nissan of Huntington

    4.0
    Check Availability
    Huntington Station, NY (743 mi)
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  • Titanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLT

    $40,997

    $2K
    32,480 mi.
    Est. $728/mo

    St. Charles Nissan

    4.9
    Check Availability
    St Peters, MO (265 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $43,895

    27,713 mi.
    Est. $779/mo

    Atlantic Chevrolet Cadillac

    4.8
    Check Availability
    Bay Shore, NY (750 mi)
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  • Sterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLT

    $43,994

    $800
    36,548 mi.
    Est. $781/mo

    Regal Automotive Group

    4.6
    Check Availability
    Lakeland, FL (1,007 mi)
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  • Titanium 2025 GMC Sierra 1500 SLTTitanium 2025 GMC Sierra 1500 SLTTitanium 2025 GMC Sierra 1500 SLTTitanium 2025 GMC Sierra 1500 SLTTitanium 2025 GMC Sierra 1500 SLTTitanium 2025 GMC Sierra 1500 SLT

    $45,995

    38,433 mi.
    Est. $817/mo

    Criswell Chevrolet GMC

    4.8
    Check Availability
    Gaithersburg, MD (579 mi)
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  • Black 2025 GMC Sierra 1500 SLTBlack 2025 GMC Sierra 1500 SLTBlack 2025 GMC Sierra 1500 SLTBlack 2025 GMC Sierra 1500 SLTBlack 2025 GMC Sierra 1500 SLTBlack 2025 GMC Sierra 1500 SLT

    $39,495

    46,340 mi.
    Est. $701/mo

    Southern Buick GMC Virginia Beach

    4.0
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    Virginia Beach, VA (710 mi)

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  • Sterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLT

    $46,186

    42,064 mi.
    Est. $820/mo

    Jeff Schmitt Chevrolet South

    4.4
    Check Availability
    Miamisburg, OH (236 mi)
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  • Onyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLT

    $45,695

    35,342 mi.
    Est. $811/mo

    John Holt Chevrolet

    4.6
    Check Availability
    Chickasha, OK (733 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $44,999

    35,769 mi.
    Est. $799/mo

    Steve White Audi Volkswagen Volvo Greenville

    4.6
    Check Availability
    Greenville, SC (567 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $40,299

    38,403 mi.
    Est. $716/mo

    AutoNation Buick GMC Henderson

    4.2
    Check Availability
    Henderson, NV (1,519 mi)
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  • Sterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLTSterling 2025 GMC Sierra 1500 SLT

    $41,615

    $505
    33,637 mi.
    Est. $739/mo

    Bommarito Volkswagen Hazelwood

    4.2
    Check Availability
    Hazelwood, MO (259 mi)
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  • Onyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLT

    $46,085

    45,128 mi.
    Est. $818/mo

    Bill Hood Chevrolet

    4.7
    Check Availability
    Covington, LA (803 mi)

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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $42,997

    42,164 mi.
    Est. $763/mo

    EchoPark Automotive Thornton

    4.8
    Check Availability
    Thornton, CO (915 mi)
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  • Onyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLT

    $41,121

    $606
    42,512 mi.
    Est. $730/mo

    Don Brown Chevrolet

    4.6
    Check Availability
    St. Louis, MO (265 mi)
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  • Titanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLTTitanium Rush Metallic 2025 GMC Sierra 1500 SLT

    $45,448

    $500
    34,681 mi.
    Est. $807/mo

    Joseph Chevrolet

    4.5
    Check Availability
    Cincinnati, OH (244 mi)
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  • Sterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLT

    $43,995

    $900
    43,331 mi.
    Est. $781/mo

    O'Meara Volkswagen of Thornton

    4.1
    Check Availability
    Denver, CO (917 mi)
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  • Onyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLT

    $42,795

    $3K
    31,794 mi.
    Est. $760/mo

    Serra Hyundai

    4.6
    Check Availability
    Trussville, AL (575 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $44,042

    26,431 mi.
    Est. $782/mo

    Capitol Chevrolet

    4.4
    Check Availability
    San Jose, CA (1,839 mi)

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  • Sterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLTSterling Metallic 2025 GMC Sierra 1500 SLT

    $45,195

    $1.2K
    22,361 mi.
    Est. $802/mo

    Empire Ford Inc.

    4.1
    Check Availability
    Fall River, MA (848 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $39,725

    $725
    42,532 mi.
    Est. $705/mo

    Sam Pack's 5 Star Chevrolet

    4.9
    Check Availability
    Carrollton, TX (800 mi)
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  • Onyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLTOnyx Black 2025 GMC Sierra 1500 SLT

    $42,345

    $645
    40,201 mi.
    Est. $752/mo

    Audi Hilton Head

    4.6
    Check Availability
    Hardeeville, SC (756 mi)
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  • Summit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLTSummit White 2025 GMC Sierra 1500 SLT

    $41,480

    $740
    33,309 mi.
    Est. $737/mo

    Cavender Cadillac

    4.7
    Check Availability
    San Antonio, TX (1,039 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 SLT 54 Great deals
2024 GMC Sierra 1500 SLT $46,352 73 Great deals
2023 GMC Sierra 1500 SLT $44,452 61 Great deals
2022 GMC Sierra 1500 SLT $40,602 65 Great deals
2021 GMC Sierra 1500 SLT $35,687 64 Great deals
2020 GMC Sierra 1500 SLT $34,121 55 Great deals
2019 GMC Sierra 1500 SLT $32,727 27 Great deals
2018 GMC Sierra 1500 SLT $27,941 60 Great deals
2017 GMC Sierra 1500 SLT $25,060 26 Great deals

About the 2025 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 2025 GMC Sierra 1500 SLT
FAQs

How much does the 2025 GMC Sierra 1500 SLT cost?

The 2025 GMC Sierra 1500 SLT price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2025 Sierra 1500 SLT is $45,681, with pricing starting at $28,479.

What is the MPG of the 2025 GMC Sierra 1500 SLT?

The 2025 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 2025 GMC Sierra 1500 SLT?

The 2025 GMC Sierra 1500 SLT compares to and/or competes against the following vehicles:


Is the 2025 GMC Sierra 1500 SLT reliable?

The 2025 GMC Sierra 1500 has an average reliability rating of 4.8 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2025 Sierra 1500 owners.

Ratings (4 reviews)

100% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
5.0
Interior
5.0
Performance
4.8
Value
4.5
Exterior
4.8
Reliability
4.8
Trims

SLT (3 styles)

Style
4WD Crew Cab 157" SLT 2WD Crew Cab 147" SLT 4WD Crew Cab 147" SLT
Inventory price
Starting at $58,700 Starting at $54,900 Starting at $58,000
Combined MPG
16 17 16
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 305.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Diesel Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
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2025 GMC Sierra 1500 SLT by popular city

GMC Sierra 1500 trims