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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

    $69,995

    $1K
    3,882 mi.
    Est. $1,316/mo

    Laura Chevrolet Buick GMC of Sullivan, LLC

    4.8
    Check Availability
    Sullivan, MO (311 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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  • 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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  • 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

    $63,000

    $2K
    13,121 mi.
    Est. $1,184/mo

    Ingersoll Auto of Danbury

    4.1
    Check Availability
    Danbury, CT (734 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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  • 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

    $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

    $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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  • 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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  • 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

    $87,988

    $2K
    14,504 mi.
    Est. $1,654/mo

    Mall of Georgia MINI

    4.9
    Check Availability
    Buford, GA (575 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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  • Titanium 2025 GMC Sierra 2500 SLTTitanium 2025 GMC Sierra 2500 SLTTitanium 2025 GMC Sierra 2500 SLTTitanium 2025 GMC Sierra 2500 SLTTitanium 2025 GMC Sierra 2500 SLTTitanium 2025 GMC Sierra 2500 SLT

    $67,599

    $900
    15,186 mi.
    Est. $1,271/mo

    Kunes Buick GMC of Greenfield

    4.2
    Check Availability
    Greenfield, WI (79 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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  • 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

    $68,722

    13,208 mi.
    Est. $1,292/mo

    Stoops Buick GMC

    4.9
    Check Availability
    Plainfield, IN (166 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

    $71,967

    $1.7K
    7,446 mi.
    Est. $1,353/mo

    Victory Toyota Charleston

    4.6
    Check Availability
    Charleston, WV (398 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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  • 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

    $69,249

    $115
    13,892 mi.
    Est. $1,302/mo

    John Hiester Chevrolet of Lillington

    4.5
    Check Availability
    Lillington, NC (653 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

    $70,487

    22,441 mi.
    Est. $1,325/mo

    Cooper Chevrolet GMC

    4.0
    Check Availability
    Anniston, AL (579 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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  • 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

    $68,300

    13,597 mi.
    Est. $1,284/mo

    Group 1 GMC Coastal Bend

    4.6
    Check Availability
    Robstown, TX (1,123 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

    $65,541

    $1K
    40,056 mi.
    Est. $1,232/mo

    Hiley Subaru of Fort Worth

    4.5
    Check Availability
    Fort Worth, TX (832 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

    $61,420

    $1.5K
    50,364 mi.
    Est. $1,154/mo

    Doug Henry Chevrolet GMC

    Check Availability
    Farmville, NC (694 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 SLT
2024 GMC Sierra 2500 SLT $62,659 78 Good deals
2023 GMC Sierra 2500 SLT $54,297 8 Great deals
2022 GMC Sierra 2500 SLT $50,011 8 Great deals
2021 GMC Sierra 2500 SLT $47,612 5 Great deals
2020 GMC Sierra 2500 SLT $43,438 7 Great deals
2019 GMC Sierra 2500 SLT $40,212 23 Good deals
2018 GMC Sierra 2500 SLT $38,892 19 Good deals
2017 GMC Sierra 2500 SLT $35,636 23 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 $68,424, 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