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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

    $40,035

    32,373 mi.
    Est. $753/mo

    Reynolds GMC

    4.6
    Check Availability
    West Covina, CA (1,724 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 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

    $46,996

    18,098 mi.
    Est. $883/mo

    i.g. Burton Chrysler Dodge Jeep Ram of Milford

    4.7
    Check Availability
    Milford, DE (673 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

    $44,994

    $684
    40,810 mi.
    Est. $846/mo

    Bayway Chrysler Dodge Jeep Ram

    4.8
    Check Availability
    Pasadena, TX (940 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

    $47,499

    $500
    22,393 mi.
    Est. $893/mo

    i.g. Burton Lewes Automall Chevrolet Buick GMC

    4.6
    Check Availability
    Lewes, DE (692 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 SLT

    $46,014

    29,056 mi.
    Est. $865/mo

    Graff Chevrolet

    4.3
    Check Availability
    Grand Prairie, TX (813 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

    $39,989

    $669
    42,040 mi.
    Est. $752/mo

    Group 1 Toyota Hub City

    4.7
    Check Availability
    Lubbock, TX (968 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

    $40,000

    44,196 mi.
    Est. $752/mo

    Galleria Chevrolet

    5.0
    Check Availability
    Dallas, TX (798 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

    $50,500

    $1K
    17,960 mi.
    Est. $949/mo

    Kirksville Motor Company

    4.9
    Check Availability
    Kirksville, MO (282 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

    $47,226

    43,818 mi.
    Est. $888/mo

    Zeigler Subaru of Lafayette

    4.6
    Check Availability
    Lafayette, IN (111 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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  • 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

    $44,998

    38,609 mi.
    Est. $846/mo

    Lithia Chrysler Jeep Dodge of Medford

    4.7
    Check Availability
    Medford, OR (1,792 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

    $42,987

    $910
    38,806 mi.
    Est. $808/mo

    EchoPark Automotive Thornton

    4.8
    Check Availability
    Thornton, CO (915 mi)
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  • Volcanic Red 2025 GMC Sierra 1500 SLTVolcanic Red 2025 GMC Sierra 1500 SLTVolcanic Red 2025 GMC Sierra 1500 SLTVolcanic Red 2025 GMC Sierra 1500 SLTVolcanic Red 2025 GMC Sierra 1500 SLTVolcanic Red 2025 GMC Sierra 1500 SLT

    $56,373

    11,289 mi.
    Est. $1,060/mo

    Southtowne Chevrolet Cadillac Buick GMC

    3.9
    Check Availability
    Newnan, GA (608 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

    $41,999

    39,400 mi.
    Est. $789/mo

    Metro Nissan of Montclair

    4.7
    Check Availability
    Montclair, CA (1,714 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

    $43,247

    34,917 mi.
    Est. $813/mo

    Bill Kay Buick GMC

    4.4
    Check Availability
    Downers Grove, IL (22 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

    $45,575

    $420
    31,089 mi.
    Est. $857/mo

    Dover Chevrolet

    4.8
    Check Availability
    Dover, NH (858 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

    $39,688

    $1.5K
    43,000 mi.
    Est. $746/mo

    Clay Cooley Ford

    4.4
    Check Availability
    Arlington, TX (816 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

    $48,498

    $501
    32,465 mi.
    Est. $912/mo

    Pensacola Honda

    4.9
    Check Availability
    Pensacola, FL (788 mi)
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  • Gray 2025 GMC Sierra 1500 SLTGray 2025 GMC Sierra 1500 SLTGray 2025 GMC Sierra 1500 SLTGray 2025 GMC Sierra 1500 SLTGray 2025 GMC Sierra 1500 SLTGray 2025 GMC Sierra 1500 SLT

    $48,998

    29,656 mi.
    Est. $921/mo

    Classic Buick GMC Beaumont

    4.7
    Check Availability
    Beaumont, TX (890 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

    $35,602

    $5.2K
    42,421 mi.
    Est. $669/mo

    Group 1 GMC Rivertown

    4.6
    Check Availability
    Columbus, GA (662 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

    $40,291

    $200
    43,056 mi.
    Est. $757/mo

    Jerry Ulm Chrysler Dodge Jeep Ram

    4.5
    Check Availability
    Tampa, FL (1,004 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

    $37,713

    $879
    39,772 mi.
    Est. $709/mo

    Honda of Sarasota

    4.6
    Check Availability
    Sarasota, FL (1,052 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

    $38,886

    $1.3K
    51,107 mi.
    Est. $731/mo

    Davis Gainesville Chevrolet GMC

    4.5
    Check Availability
    Gainesville, FL (894 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

    $46,895

    $100
    49,108 mi.
    Est. $881/mo

    Alpine Ford

    4.3
    Check Availability
    Pueblo, CO (931 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

    $66,695

    2,872 mi.
    Est. $1,254/mo

    Hubler Toyota

    4.7
    Check Availability
    Indianapolis, IN (174 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 SLT 52 Great deals
2024 GMC Sierra 1500 SLT $45,800 158 Great deals
2023 GMC Sierra 1500 SLT $44,323 72 Great deals
2022 GMC Sierra 1500 SLT $40,821 59 Great deals
2021 GMC Sierra 1500 SLT $35,725 100 Great deals
2020 GMC Sierra 1500 SLT $33,837 59 Great deals
2019 GMC Sierra 1500 SLT $32,610 21 Great deals
2018 GMC Sierra 1500 SLT $27,966 63 Great deals
2017 GMC Sierra 1500 SLT $24,999 43 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 $45,188, 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