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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

    $44,695

    $300
    34,905 mi.
    Est. $840/mo

    Jim Ellis Chevrolet of Atlanta

    4.5
    Check Availability
    Atlanta, GA (581 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

    $46,778

    31,335 mi.
    Est. $879/mo

    Golden Circle Chevrolet Covington

    4.4
    Check Availability
    Covington, TN (453 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

    $49,692

    $1.9K
    12,833 mi.
    Est. $934/mo

    Group 1 Ford of Rivertown

    4.8
    Check Availability
    Columbus, GA (663 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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  • 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

    $46,654

    32,728 mi.
    Est. $877/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

    $45,410

    $1K
    44,577 mi.
    Est. $854/mo

    Patriot Chrysler Dodge Jeep Ram of Pryor

    4.3
    Check Availability
    Pryor, OK (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

    $39,954

    $263
    38,557 mi.
    Est. $751/mo

    Mazda of Gainesville

    4.3
    Check Availability
    Gainesville, FL (895 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

    $43,918

    48,293 mi.
    Est. $826/mo

    All American Chrysler Jeep Dodge Fiat of San Angelo

    4.4
    Check Availability
    San Angelo, TX (1,012 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

    $40,251

    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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  • 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

    $42,797

    $190
    38,806 mi.
    Est. $804/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

    $39,210

    32,977 mi.
    Est. $737/mo

    AutoNation Buick GMC Henderson

    4.3
    Check Availability
    Henderson, NV (1,519 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

    $45,000

    40,087 mi.
    Est. $846/mo

    Lake City Chrysler Dodge Jeep Ram

    4.4
    Check Availability
    Lake City, FL (854 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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  • 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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  • 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

    34,322 mi.
    Est. $827/mo

    Criswell Chevrolet GMC

    4.8
    Check Availability
    Gaithersburg, MD (579 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

    $45,795

    $197
    48,408 mi.
    Est. $861/mo

    Principle Toyota in Memphis

    4.8
    Check Availability
    Memphis, 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

    $46,524

    43,479 mi.
    Est. $874/mo

    Terry Labonte Chevrolet

    4.9
    Check Availability
    Greensboro, NC (579 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

    $41,614

    32,534 mi.
    Est. $782/mo

    Rountree Moore Nissan

    4.3
    Check Availability
    Lake City, FL (854 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

    $48,955

    29,656 mi.
    Est. $920/mo

    Classic Buick GMC Beaumont

    4.7
    Check Availability
    Beaumont, TX (890 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

    $43,222

    40,810 mi.
    Est. $812/mo

    Jenkins Chrysler Dodge Jeep Ram of Homosassa

    4.1
    Check Availability
    Homosassa, FL (945 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

    $46,895

    $882
    25,178 mi.
    Est. $881/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

    $40,044

    44,235 mi.
    Est. $753/mo

    Clay Cooley Nissan Irving

    4.7
    Check Availability
    Irving, TX (806 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

    $44,200

    $1.7K
    52,696 mi.
    Est. $831/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

    $41,269

    37,431 mi.
    Est. $776/mo

    Hudson Nissan on Savannah Hwy

    4.7
    Check Availability
    Charleston, SC (755 mi)
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  • Red 2025 GMC Sierra 1500 SLTRed 2025 GMC Sierra 1500 SLTRed 2025 GMC Sierra 1500 SLTRed 2025 GMC Sierra 1500 SLTRed 2025 GMC Sierra 1500 SLTRed 2025 GMC Sierra 1500 SLT

    $52,172

    15,900 mi.
    Est. $981/mo

    Champion Chevrolet GMC

    4.7
    Check Availability
    La Grange, KY (269 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

    $40,217

    38,485 mi.
    Est. $756/mo

    Clay Cooley CJDR Arlington

    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

    $51,999

    $1K
    25,110 mi.
    Est. $977/mo

    Steve White Audi Volkswagen Volvo Greenville

    4.6
    Check Availability
    Greenville, SC (567 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 SLT 56 Great deals
2024 GMC Sierra 1500 SLT $45,925 167 Great deals
2023 GMC Sierra 1500 SLT $44,373 64 Great deals
2022 GMC Sierra 1500 SLT $40,804 51 Great deals
2021 GMC Sierra 1500 SLT $35,913 92 Great deals
2020 GMC Sierra 1500 SLT $33,779 62 Great deals
2019 GMC Sierra 1500 SLT $32,634 21 Great deals
2018 GMC Sierra 1500 SLT $28,059 58 Great deals
2017 GMC Sierra 1500 SLT $24,901 41 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 $45,207, 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