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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

    $69,991

    10,600 mi.
    Est. $1,316/mo

    Lenz Truck - Fond du Lac, WI

    4.5
    Check Availability
    Fond du Lac, WI (137 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

    $69,996

    $1.9K
    12,743 mi.
    Est. $1,316/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (986 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

    36,818 mi.
    Est. $1,276/mo

    Hardy Family Ford

    4.7
    Check Availability
    Dallas, GA (572 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

    $58,999

    $1K
    33,434 mi.
    Est. $1,109/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

    $65,977

    32,796 mi.
    Est. $1,240/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    Decatur, TX (809 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

    $77,969

    218 mi.
    Est. $1,466/mo

    Patriot Buick GMC

    4.7
    Check Availability
    Boyertown, PA (635 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

    $69,129

    $359
    3,164 mi.
    Est. $1,299/mo

    Lou Sobh Kia

    4.7
    Check Availability
    Cumming, GA (566 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

    $66,094

    31,545 mi.
    Est. $1,242/mo

    Vanguard Buick GMC of Carrollton

    3.8
    Check Availability
    Carrollton, TX (798 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

    $67,787

    $1K
    7,960 mi.
    Est. $1,274/mo

    Dan Cummins Chevrolet Buick of Paris

    4.7
    Check Availability
    Paris, KY (311 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

    $70,000

    4,241 mi.
    Est. $1,316/mo

    Chevrolet Buick GMC of Murfreesboro

    4.1
    Check Availability
    Murfreesboro, TN (421 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

    $61,000

    $4K
    13,121 mi.
    Est. $1,147/mo

    Ingersoll Auto of Danbury

    4.1
    Check Availability
    Danbury, CT (734 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

    $74,803

    20,077 mi.
    Est. $1,406/mo

    Mark Christopher Chevrolet Buick GMC Cadillac

    4.6
    Check Availability
    Ontario, CA (1,709 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

    $64,893

    $101
    71,151 mi.
    Est. $1,220/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

    $69,995

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

    ALL STAR BUICK GMC TRUCK

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    Sulphur, LA (866 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

    $61,500

    $500
    13,420 mi.
    Est. $1,156/mo

    Beechmont Subaru

    4.7
    Check Availability
    Cincinnati, OH (261 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

    $65,860

    $670
    11,483 mi.
    Est. $1,238/mo

    Jim Schmidt Chevrolet

    4.4
    Check Availability
    Hicksville, OH (154 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

    $63,297

    $500
    38,700 mi.
    Est. $1,190/mo

    Diamond Buick GMC of Alexandria

    4.7
    Check Availability
    Alexandria, MN (473 mi)
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  • Titanium Rush Metallic 2025 GMC Sierra 2500 SLTTitanium Rush Metallic 2025 GMC Sierra 2500 SLTTitanium Rush Metallic 2025 GMC Sierra 2500 SLTTitanium Rush Metallic 2025 GMC Sierra 2500 SLTTitanium Rush Metallic 2025 GMC Sierra 2500 SLTTitanium Rush Metallic 2025 GMC Sierra 2500 SLT

    $65,724

    $664
    23,520 mi.
    Est. $1,235/mo

    Valley Ford of Columbus

    4.9
    Check Availability
    Columbus, OH (269 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

    $67,284

    $2K
    51,196 mi.
    Est. $1,265/mo

    Dave Kirk Chevy GMC

    4.6
    Check Availability
    Crossville, TN (431 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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  • 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

    $76,900

    18,456 mi.
    Est. $1,445/mo

    Bell & Bell GMC

    4.7
    Check Availability
    Little River, SC (737 mi)
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  • Volcanic Red 2025 GMC Sierra 2500 SLTVolcanic Red 2025 GMC Sierra 2500 SLTVolcanic Red 2025 GMC Sierra 2500 SLTVolcanic Red 2025 GMC Sierra 2500 SLTVolcanic Red 2025 GMC Sierra 2500 SLTVolcanic Red 2025 GMC Sierra 2500 SLT

    $60,000

    4,068 mi.
    Est. $1,128/mo

    AutoSavvy Reno

    4.8
    Check Availability
    Reno, NV (1,683 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

    $69,003

    13,892 mi.
    Est. $1,297/mo

    John Hiester Chevrolet of Lillington

    4.6
    Check Availability
    Lillington, NC (653 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

    28,995 mi.
    Est. $1,297/mo

    Bolton Ford

    4.9
    Check Availability
    Lake Charles, LA (865 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

    $64,221

    $998
    40,056 mi.
    Est. $1,207/mo

    Hiley Subaru of Fort Worth

    4.5
    Check Availability
    Fort Worth, TX (832 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

    $68,995

    $1K
    3,882 mi.
    Est. $1,297/mo

    Laura Chevrolet Buick GMC of Sullivan, LLC

    4.8
    Check Availability
    Sullivan, MO (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

    $63,921

    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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  • White 2025 GMC Sierra 2500 SLTWhite 2025 GMC Sierra 2500 SLTWhite 2025 GMC Sierra 2500 SLTWhite 2025 GMC Sierra 2500 SLTWhite 2025 GMC Sierra 2500 SLTWhite 2025 GMC Sierra 2500 SLT

    $62,998

    30,403 mi.
    Est. $1,184/mo

    CarMax Tulsa

    4.7
    Check Availability
    Tulsa, OK (600 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

    $85,808

    32,432 mi.
    Est. $1,613/mo

    Lifted Trucks - Katy

    Check Availability
    Katy, TX (954 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 SLT 2 Good deals
2024 GMC Sierra 2500 SLT $62,199 18 Great deals
2023 GMC Sierra 2500 SLT $53,213 5 Great deals
2022 GMC Sierra 2500 SLT $51,126 10 Great deals
2021 GMC Sierra 2500 SLT $47,759 8 Great deals
2020 GMC Sierra 2500 SLT $44,701 8 Great deals
2019 GMC Sierra 2500 SLT $39,740 5 Great deals
2018 GMC Sierra 2500 SLT $39,225 12 Great deals
2017 GMC Sierra 2500 SLT $35,419 8 Great 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 $68,246, with pricing starting at $54,500.

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