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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

    $43,986

    $809
    43,602 mi.
    Est. $817/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

    $44,695

    $300
    34,905 mi.
    Est. $830/mo

    Jim Ellis Chevrolet of Atlanta

    4.5
    Check Availability
    Atlanta, GA (14 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

    $44,701

    29,999 mi.
    Est. $830/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $54,750

    6,866 mi.
    Est. $1,017/mo

    Hardy Chevrolet GMC

    4.6
    Check Availability
    Dallas, GA (29 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

    $43,695

    40,299 mi.
    Est. $811/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

    $44,797

    30,017 mi.
    Est. $832/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 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

    $44,485

    28,713 mi.
    Est. $826/mo

    Gravity Autos Atlanta

    3.4
    Check Availability
    Chamblee, 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

    $49,887

    29,900 mi.
    Est. $926/mo

    John Miles Chevrolet Buick GMC

    4.4
    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

    $43,895

    46,707 mi.
    Est. $815/mo

    Gravity Autos Sandy Springs

    3.6
    Check Availability
    Sandy Springs, GA (17 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

    $45,507

    28,350 mi.
    Est. $845/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

    $42,914

    $1.3K
    44,702 mi.
    Est. $797/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

    $44,917

    28,860 mi.
    Est. $834/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

    $44,595

    $105
    46,280 mi.
    Est. $828/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

    $44,887

    32,203 mi.
    Est. $833/mo

    John Miles Chevrolet Buick GMC

    4.4
    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

    $43,995

    35,635 mi.
    Est. $817/mo

    Jim Ellis Buick GMC

    4.6
    Check Availability
    Atlanta, GA (13 mi)
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  • $39,920

    38,741 mi.
    Est. $741/mo

    ALM Chevrolet South

    3.9
    Check Availability
    Union City, GA (16 mi)
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  • $40,920

    39,520 mi.
    Est. $760/mo

    ALM Chevrolet South

    3.9
    Check Availability
    Union City, GA (16 mi)
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  • Titanium Rush Metallic 2025 GMC Sierra 1500 SLT

    $39,920

    38,899 mi.
    Est. $741/mo

    ALM Marietta

    4.4
    Check Availability
    Marietta, GA (18 mi)
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  • Onyx Black 2025 GMC Sierra 1500 SLT

    $39,920

    35,289 mi.
    Est. $741/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

    $43,995

    $600
    45,951 mi.
    Est. $817/mo

    Jim Ellis Chevrolet of Atlanta

    4.5
    Check Availability
    Atlanta, GA (14 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

    $47,532

    $737
    20,392 mi.
    Est. $882/mo

    Mossy of Picayune

    4.8
    Check Availability
    Free delivery from Picayune, MS (383 mi)
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  • White 2025 GMC Sierra 1500 SLTWhite 2025 GMC Sierra 1500 SLTWhite 2025 GMC Sierra 1500 SLTWhite 2025 GMC Sierra 1500 SLTWhite 2025 GMC Sierra 1500 SLTWhite 2025 GMC Sierra 1500 SLT

    $38,998

    32,617 mi.
    Est. $724/mo

    CarMax Virginia Beach

    Check Availability
    $249 delivery to Stockbridge, GA (12 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

    $42,420

    35,744 mi.
    Est. $788/mo

    ALM Newnan

    4.3
    Check Availability
    Newnan, 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

    $49,995

    25,172 mi.
    Est. $928/mo

    Day's Chevrolet

    4.7
    Check Availability
    Acworth, GA (32 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. $1,047/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

    $39,920

    36,586 mi.
    Est. $741/mo

    ALM Mall of GA

    4.2
    Check Availability
    Buford, GA (33 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 SLT

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 $45,156, 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 city