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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

    $42,355

    $144
    35,635 mi.
    Est. $743/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $40,995

    45,952 mi.
    Est. $719/mo

    Jim Ellis Chevrolet of Atlanta

    4.5
    Check Availability
    Atlanta, GA (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

    $40,664

    35,289 mi.
    Est. $713/mo

    ALM Kennesaw

    4.4
    Check Availability
    Kennesaw, GA (25 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

    $59,024

    40,216 mi.
    Est. $1,035/mo

    Rick Hendrick Chevrolet of Duluth

    4.9
    Check Availability
    Duluth, GA (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

    $47,754

    $2.1K
    29,900 mi.
    Est. $838/mo

    John Miles Chevrolet Buick GMC

    4.2
    Check Availability
    Conyers, GA (19 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

    $40,145

    56,342 mi.
    Est. $704/mo

    Steve Rayman Chevrolet

    3.6
    Check Availability
    Smyrna, GA (16 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

    $43,555

    34,916 mi.
    Est. $764/mo

    Jim Ellis Chevrolet of Atlanta

    4.5
    Check Availability
    Atlanta, GA (14 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

    $44,237

    28,860 mi.
    Est. $776/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $50,789

    5,074 mi.
    Est. $891/mo

    Carl Black Hiram

    5.0
    Check Availability
    Hiram, GA (28 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

    $41,164

    39,538 mi.
    Est. $722/mo

    ALM Chevrolet South

    4.0
    Check Availability
    Union City, GA (16 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

    $42,885

    28,713 mi.
    Est. $752/mo

    Gravity Autos Atlanta

    3.4
    Check Availability
    Chamblee, GA (13 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

    $43,498

    $200
    53,381 mi.
    Est. $763/mo

    Grand Motorcars

    3.3
    Check Availability
    Marietta, GA (20 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

    $44,998

    39,257 mi.
    Est. $789/mo

    CarMax Southlake

    3.5
    Check Availability
    Stockbridge, GA (12 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

    $44,937

    28,350 mi.
    Est. $788/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $41,999

    $400
    46,146 mi.
    Est. $737/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $43,555

    $422
    46,282 mi.
    Est. $764/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $42,998

    $100
    52,214 mi.
    Est. $754/mo

    Grand Motorcars

    3.3
    Check Availability
    Marietta, GA (20 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

    $43,963

    32,203 mi.
    Est. $771/mo

    John Miles Chevrolet Buick GMC

    4.2
    Check Availability
    Conyers, GA (19 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

    $43,000

    $1.6K
    32,397 mi.
    Est. $754/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $42,500

    $1.4K
    30,017 mi.
    Est. $745/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $42,995

    45,173 mi.
    Est. $754/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $44,984

    $989
    8,181 mi.
    Est. $789/mo

    Buddy Chevrolet

    4.1
    Check Availability
    Decatur, GA (7 mi)
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  • $41,164

    38,741 mi.
    Est. $722/mo

    ALM Chevrolet South

    4.0
    Check Availability
    Union City, GA (16 mi)
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  • Summit White 2025 GMC Sierra 1500 SLT

    $38,998

    54,837 mi.
    Est. $684/mo

    Gwinnett Place Ford

    4.4
    Check Availability
    Duluth, GA (22 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

    $44,594

    $200
    38,094 mi.
    Est. $782/mo

    Radley Chevrolet

    4.5
    Check Availability
    $520 delivery from Fredericksburg, VA (496 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

    $53,998

    12,652 mi.
    Est. $947/mo

    CarMax Bloomington

    4.5
    Check Availability
    $349 delivery to Stockbridge, GA (12 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

    $49,873

    30,785 mi.
    Est. $875/mo

    Akins Ford

    4.8
    Check Availability
    Winder, GA (40 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

    $44,186

    61,994 mi.
    Est. $775/mo

    Grand Hyundai of Canton

    4.5
    Check Availability
    Canton, GA (39 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

    $46,000

    $500
    50,881 mi.
    Est. $807/mo

    Beaver Toyota Cumming

    4.7
    Check Availability
    Cumming, GA (34 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

    $43,594

    34,924 mi.
    Est. $765/mo

    Day's Chevrolet

    4.8
    Check Availability
    Acworth, GA (32 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

    36,664 mi.
    Est. $713/mo

    ALM Mall of GA

    4.2
    Check Availability
    Buford, GA (33 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

    $42,864

    35,744 mi.
    Est. $752/mo

    ALM Newnan

    4.3
    Check Availability
    Newnan, GA (32 mi)
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  • White Frost Tri-Coat 2025 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 1500 SLT

    $49,574

    $2.2K
    34,621 mi.
    Est. $869/mo

    Southtowne Chevrolet Cadillac Buick GMC

    3.9
    Check Availability
    Newnan, GA (33 mi)
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  • Summit White 2025 GMC Sierra 1500 SLT

    $54,262

    $4.1K
    5,370 mi.
    Est. $952/mo

    Southtowne Chevrolet Cadillac Buick GMC

    3.9
    Check Availability
    Newnan, GA (33 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 SLT 1 Good deal

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 $45,769, 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 city