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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $67,915

    15,743 mi.
    Est. $1,277/mo

    Bob Johnson Used

    4.0
    Check Availability
    Rochester, NY (519 mi)

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  • Summit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLT

    $66,598

    $378
    31,545 mi.
    Est. $1,252/mo

    Vanguard Buick GMC of Carrollton

    3.8
    Check Availability
    Carrollton, TX (798 mi)

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  • Summit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLT

    $67,900

    36,815 mi.
    Est. $1,276/mo

    Hardy Family Ford

    4.8
    Check Availability
    Dallas, GA (572 mi)
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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $70,208

    4,303 mi.
    Est. $1,320/mo

    Jerry Hunt Supercenter

    4.6
    Check Availability
    Lexington, NC (577 mi)
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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $68,987

    $3K
    7,960 mi.
    Est. $1,297/mo

    Dan Cummins Chevrolet Buick of Paris

    4.7
    Check Availability
    Paris, KY (311 mi)
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  • Sterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLT

    $65,287

    $102
    71,151 mi.
    Est. $1,227/mo

    McLarty Daniel Nissan

    4.8
    Check Availability
    Bentonville, AR (519 mi)
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  • Summit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLT

    $71,322

    12,842 mi.
    Est. $1,341/mo

    Honda of Newnan

    4.8
    Check Availability
    Newnan, GA (608 mi)
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  • Summit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLT

    $69,995

    35,288 mi.
    Est. $1,316/mo

    ALL STAR BUICK GMC TRUCK

    Check Availability
    Sulphur, LA (866 mi)

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  • Gray 2025 GMC Sierra 2500 SLTGray 2025 GMC Sierra 2500 SLTGray 2025 GMC Sierra 2500 SLTGray 2025 GMC Sierra 2500 SLTGray 2025 GMC Sierra 2500 SLTGray 2025 GMC Sierra 2500 SLT

    $77,479

    218 mi.
    Est. $1,456/mo

    Patriot Buick GMC

    4.7
    Check Availability
    Boyertown, PA (635 mi)
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  • White Frost Tri-Coat 2025 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 2500 SLT

    $59,999

    33,434 mi.
    Est. $1,128/mo

    Planet Ford 45

    4.5
    Check Availability
    Spring, TX (925 mi)
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  • Summit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLT

    $63,977

    4,748 mi.
    Est. $1,203/mo

    Northside Ford

    4.4
    Check Availability
    San Antonio, TX (1,046 mi)
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  • Sterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLT

    $69,988

    $1.3K
    3,164 mi.
    Est. $1,316/mo

    Lou Sobh Kia

    4.7
    Check Availability
    Cumming, GA (566 mi)
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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $67,997

    9,739 mi.
    Est. $1,278/mo

    Group 1 Buick GMC South

    4.6
    Check Availability
    Houston, TX (948 mi)
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  • Summit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLT

    $66,977

    $1.6K
    32,782 mi.
    Est. $1,259/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    Decatur, TX (809 mi)

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  • Summit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLT

    $68,850

    $1.6K
    23,046 mi.
    Est. $1,294/mo

    Ed Morse Sawgrass Auto Mall

    4.3
    Check Availability
    Sunrise, FL (1,164 mi)
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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $72,000

    15,626 mi.
    Est. $1,353/mo

    Garber Buick

    4.9
    Check Availability
    Saginaw, MI (213 mi)
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  • Sterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLT

    $63,480

    56,827 mi.
    Est. $1,193/mo

    Mark McLarty Toyota

    4.1
    Check Availability
    North Little Rock, AR (549 mi)
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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $69,000

    $4K
    15,130 mi.
    Est. $1,297/mo

    Brickell Buick & GMC

    4.4
    Check Availability
    Miami, FL (1,192 mi)
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  • Sterling 2025 GMC Sierra 2500 SLTSterling 2025 GMC Sierra 2500 SLTSterling 2025 GMC Sierra 2500 SLTSterling 2025 GMC Sierra 2500 SLTSterling 2025 GMC Sierra 2500 SLTSterling 2025 GMC Sierra 2500 SLT

    $66,957

    51,196 mi.
    Est. $1,259/mo

    Dave Kirk Chevy GMC

    4.6
    Check Availability
    Crossville, TN (431 mi)
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  • Summit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLTSummit White 2025 GMC Sierra 2500 SLT

    $65,777

    $1.2K
    36,136 mi.
    Est. $1,236/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    Decatur, TX (809 mi)

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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $68,330

    $365
    24,721 mi.
    Est. $1,284/mo

    Weatherford Honda

    4.8
    Check Availability
    Weatherford, TX (844 mi)
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  • Volcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLT

    $54,850

    $149
    87,581 mi.
    Est. $1,031/mo

    Schwieters Chevrolet of Willmar

    4.6
    Check Availability
    Willmar, MN (432 mi)
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  • 2025 GMC Sierra 2500 SLT2025 GMC Sierra 2500 SLT2025 GMC Sierra 2500 SLT2025 GMC Sierra 2500 SLT2025 GMC Sierra 2500 SLT2025 GMC Sierra 2500 SLT

    $63,797

    $1.6K
    38,700 mi.
    Est. $1,199/mo

    Diamond Buick GMC of Alexandria

    4.6
    Check Availability
    Alexandria, MN (473 mi)
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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $67,300

    $3.7K
    7,660 mi.
    Est. $1,265/mo

    Anderson of Abingdon

    4.7
    Check Availability
    Abingdon, MD (616 mi)
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  • Volcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 2500 SLT

    $69,990

    14,060 mi.
    Est. $1,316/mo

    Sherwood Groves Auto Group, LLC

    4.5
    Check Availability
    Towanda, PA (577 mi)
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  • Onyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLTOnyx Black 2025 GMC Sierra 2500 SLT

    $74,877

    9 mi.
    Est. $1,407/mo

    Woodland Motors

    4.7
    Check Availability
    Woodland, CA (1,799 mi)

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  • Sterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLTSterling Metallic 2025 GMC Sierra 2500 SLT

    $63,921

    $2.9K
    35,255 mi.
    Est. $1,201/mo

    Findlay Chevy GMC Bullhead

    4.7
    Check Availability
    Bullhead City, AZ (1,520 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 SLT 5 Great deals
2024 GMC Sierra 2500 SLT $62,639 75 Good deals
2023 GMC Sierra 2500 SLT $54,401 9 Great deals
2022 GMC Sierra 2500 SLT $50,055 10 Great deals
2021 GMC Sierra 2500 SLT $47,885 26 Good deals
2020 GMC Sierra 2500 SLT $43,341 5 Great deals
2019 GMC Sierra 2500 SLT $40,389 23 Good deals
2018 GMC Sierra 2500 SLT $38,632 22 Good deals
2017 GMC Sierra 2500 SLT $35,617 21 Good deals

About the 2025 GMC Sierra 2500 SLT

Basics

SLT shown.

Seating
5
Door count
4
Drivetrain
Rear Wheel Drive
Combined MPG
0
Transmission
10-Speed A/T
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2025 GMC Sierra 2500 SLT
FAQs

How much does the 2025 GMC Sierra 2500 SLT cost?

The 2025 GMC Sierra 2500 SLT price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2025 Sierra 2500 SLT is $68,549, with pricing starting at $54,850.

What are some similar vehicles and competitors of the 2025 GMC Sierra 2500 SLT?

The 2025 GMC Sierra 2500 SLT compares to and/or competes against the following vehicles:


Is the 2025 GMC Sierra 2500 SLT reliable?

The 2025 GMC Sierra 2500 has an average reliability rating of 4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2025 Sierra 2500 owners.

Ratings (1 review)

100% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
5.0
Interior
5.0
Performance
5.0
Value
4.0
Exterior
5.0
Reliability
4.0
Trims

SLT (4 styles)

Style
2WD Crew Cab 159" SLT *Ltd Avail* 2WD Crew Cab 172" SLT *Ltd Avail* 4WD Crew Cab 159" SLT 4WD Crew Cab 172" SLT
Inventory price
Starting at $61,900 Starting at $62,200 Starting at $64,700 Starting at $65,000
Combined MPG
0 0 0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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GMC Sierra 2500 trims