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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

    $39,950

    32,373 mi.
    Est. $751/mo

    Reynolds GMC

    4.6
    Check Availability
    West Covina, CA (1,724 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

    $43,995

    $600
    22,186 mi.
    Est. $827/mo

    Southern Buick GMC Virginia Beach

    4.1
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    Virginia Beach, VA (710 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

    $42,500

    $1.4K
    36,668 mi.
    Est. $799/mo

    Mountaineer Honda

    4.8
    Check Availability
    Bridgeport, WV (426 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

    $44,990

    $1K
    28,983 mi.
    Est. $846/mo

    Classic Mazda

    4.9
    Check Availability
    Mentor, OH (325 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

    $42,402

    $646
    38,332 mi.
    Est. $797/mo

    AutoNation Buick GMC Henderson

    4.3
    Check Availability
    Henderson, NV (1,519 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

    $52,000

    $500
    9,004 mi.
    Est. $977/mo

    Everett Chevrolet Buick GMC Cadillac

    4.6
    Check Availability
    Hickory, NC (545 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

    $43,494

    38,520 mi.
    Est. $818/mo

    Shottenkirk Nissan Katy

    4.8
    Check Availability
    Katy, TX (953 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

    $47,999

    43,786 mi.
    Est. $902/mo

    Walt Massey Chrysler Dodge Jeep Ram Fiat

    Check Availability
    Jackson, MS (685 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

    $40,150

    44,323 mi.
    Est. $755/mo

    Antwerpen Volkswagen

    4.4
    Check Availability
    Pasadena, MD (611 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

    $44,800

    45,532 mi.
    Est. $842/mo

    Willis Automotive

    4.7
    Check Availability
    Des Moines, IA (316 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

    $41,672

    42,986 mi.
    Est. $783/mo

    Mark Christopher Chevrolet Buick GMC Cadillac

    4.6
    Check Availability
    Ontario, CA (1,709 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

    $45,750

    53,463 mi.
    Est. $860/mo

    Jim Butler Chevrolet

    4.3
    Check Availability
    Fenton, MO (277 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

    $52,999

    25,110 mi.
    Est. $996/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

    $42,316

    $494
    46,140 mi.
    Est. $795/mo

    Southern Chevrolet

    4.4
    Check Availability
    Chesapeake, VA (692 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

    $47,777

    25,178 mi.
    Est. $898/mo

    National City Auto Center

    4.9
    Check Availability
    National City, CA (1,730 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

    $42,400

    41,467 mi.
    Est. $797/mo

    Twin Pine Ford

    4.5
    Check Availability
    Ephrata, PA (609 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

    $38,992

    39,644 mi.
    Est. $733/mo

    Clay Cooley CJDR Arlington

    4.4
    Check Availability
    Arlington, TX (816 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

    $53,989

    36,202 mi.
    Est. $1,015/mo

    McCluskey Chevrolet

    4.1
    Check Availability
    Cincinnati, OH (250 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

    $43,995

    $1K
    34,322 mi.
    Est. $827/mo

    Criswell Chevrolet GMC

    4.8
    Check Availability
    Gaithersburg, MD (579 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

    $41,513

    $1.4K
    45,300 mi.
    Est. $780/mo

    East Dallas Volkswagen

    Check Availability
    Garland, TX (796 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

    $43,487

    38,797 mi.
    Est. $817/mo

    EchoPark Automotive Thornton

    4.8
    Check Availability
    Thornton, CO (915 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

    $44,604

    45,479 mi.
    Est. $838/mo

    Mountain View Hyundai

    4.8
    Check Availability
    Ringgold, GA (501 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

    $45,990

    36,561 mi.
    Est. $864/mo

    Aransas Autoplex Superstore

    4.6
    Check Availability
    Aransas Pass, TX (1,104 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

    $46,808

    44,240 mi.
    Est. $880/mo

    Planet Ford 59

    4.4
    Check Availability
    Humble, TX (925 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

    $44,573

    $427
    42,512 mi.
    Est. $838/mo

    Don Brown Chevrolet

    4.5
    Check Availability
    St. Louis, 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

    $41,523

    $475
    54,174 mi.
    Est. $780/mo

    O'Meara Volkswagen of Thornton

    4.3
    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 SLT

    $45,995

    31,089 mi.
    Est. $865/mo

    Dover Chevrolet

    4.8
    Check Availability
    Dover, NH (858 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 SLT 47 Great deals
2024 GMC Sierra 1500 SLT $45,704 164 Great deals
2023 GMC Sierra 1500 SLT $44,246 74 Great deals
2022 GMC Sierra 1500 SLT $40,895 57 Great deals
2021 GMC Sierra 1500 SLT $35,598 103 Great deals
2020 GMC Sierra 1500 SLT $33,633 62 Great deals
2019 GMC Sierra 1500 SLT $32,556 20 Great deals
2018 GMC Sierra 1500 SLT $27,808 61 Great deals
2017 GMC Sierra 1500 SLT $25,030 45 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 $45,077, with pricing starting at $16,980.

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