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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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  • 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

    46,140 mi.
    Est. $795/mo

    Southern Chevrolet

    4.4
    Check Availability
    Chesapeake, VA (692 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

    $44,490

    $500
    28,983 mi.
    Est. $836/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

    $39,570

    $2.2K
    44,935 mi.
    Est. $744/mo

    Capitol Chevrolet

    4.7
    Check Availability
    Austin, TX (985 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

    $44,998

    30,165 mi.
    Est. $846/mo

    i.g. Burton Chevrolet of Milford

    4.9
    Check Availability
    Milford, DE (673 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

    $45,207

    $1.7K
    18,098 mi.
    Est. $850/mo

    i.g. Burton Chrysler Dodge Jeep Ram of Milford

    4.7
    Check Availability
    Milford, DE (673 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

    $47,936

    44,772 mi.
    Est. $901/mo

    Fred Caldwell Chevrolet

    4.8
    Check Availability
    Clover, SC (583 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

    $43,121

    $547
    39,367 mi.
    Est. $811/mo

    Corwin Ford Republic

    4.5
    Check Availability
    Republic, MO (451 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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  • 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

    $40,980

    $864
    45,128 mi.
    Est. $770/mo

    Bill Hood Ford

    4.4
    Check Availability
    Hammond, LA (802 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

    $44,993

    28,295 mi.
    Est. $846/mo

    Toyota of Cleveland

    4.9
    Check Availability
    McDonald, TN (487 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

    $47,793

    $607
    23,281 mi.
    Est. $898/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

    $44,402

    32,886 mi.
    Est. $835/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

    $47,325

    43,649 mi.
    Est. $890/mo

    Tri-Cities Chrysler Dodge Jeep Ram

    4.1
    Check Availability
    Kingsport, TN (459 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

    $44,270

    32,451 mi.
    Est. $832/mo

    Jim Norton Chevrolet

    4.6
    Check Availability
    Broken Arrow, OK (594 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

    $41,220

    49,351 mi.
    Est. $775/mo

    AutoNation Chevrolet Gulf Freeway

    4.5
    Check Availability
    Houston, TX (948 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

    $44,997

    $1.7K
    22,942 mi.
    Est. $846/mo

    Jim Hudson Chevrolet

    4.4
    Check Availability
    columbia, SC (653 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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  • 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

    $55,000

    $900
    25,012 mi.
    Est. $1,034/mo

    Strosnider Chevrolet

    4.8
    Check Availability
    Hopewell, VA (635 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

    $50,080

    35,763 mi.
    Est. $941/mo

    Classic Buick GMC Beaumont

    4.7
    Check Availability
    Beaumont, TX (890 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

    $46,442

    $334
    35,168 mi.
    Est. $873/mo

    Allen Turner Hyundai

    4.9
    Check Availability
    Pensacola, FL (789 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

    $44,995

    $996
    52,696 mi.
    Est. $846/mo

    Stateline Chrysler Jeep Dodge

    4.0
    Check Availability
    Fort Mill, SC (594 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

    $43,241

    29,142 mi.
    Est. $813/mo

    Clay Cooley Volkswagen of Park Cities

    4.4
    Check Availability
    Dallas, TX (803 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

    $43,791

    39,924 mi.
    Est. $823/mo

    Corwin Ford of Springfield

    4.7
    Check Availability
    Springfield, MO (444 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

    $43,412

    45,507 mi.
    Est. $816/mo

    Group 1 Toyota Rock Hill

    4.7
    Check Availability
    Rock Hill, SC (600 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

    $40,044

    44,235 mi.
    Est. $753/mo

    Clay Cooley Nissan Irving

    4.7
    Check Availability
    Irving, TX (806 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 SLT 55 Great deals
2024 GMC Sierra 1500 SLT $45,933 171 Great deals
2023 GMC Sierra 1500 SLT $44,401 69 Great deals
2022 GMC Sierra 1500 SLT $40,793 52 Great deals
2021 GMC Sierra 1500 SLT $35,814 87 Great deals
2020 GMC Sierra 1500 SLT $33,821 60 Great deals
2019 GMC Sierra 1500 SLT $32,601 18 Great deals
2018 GMC Sierra 1500 SLT $28,157 61 Great deals
2017 GMC Sierra 1500 SLT $25,028 36 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 $52,729, 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