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  • White Frost Tricoat 2025 GMC Sierra 3500 SLTWhite Frost Tricoat 2025 GMC Sierra 3500 SLTWhite Frost Tricoat 2025 GMC Sierra 3500 SLTWhite Frost Tricoat 2025 GMC Sierra 3500 SLTWhite Frost Tricoat 2025 GMC Sierra 3500 SLTWhite Frost Tricoat 2025 GMC Sierra 3500 SLT

    $69,775

    34,867 mi.
    Est. $1,312/mo

    Deyarman CDJR Ames

    4.4
    Check Availability
    Ames, IA (307 mi)

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  • White Frost Tri-Coat 2025 GMC Sierra 3500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 3500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 3500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 3500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 3500 SLTWhite Frost Tri-Coat 2025 GMC Sierra 3500 SLT

    $68,995

    $1K
    20,296 mi.
    Est. $1,297/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (254 mi)

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  • Sterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLT

    $72,899

    $1.5K
    4,859 mi.
    Est. $1,370/mo

    Gettel Chevrolet Buick GMC of Charlotte County

    4.5
    Check Availability
    Punta Gorda, FL (1,082 mi)
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  • Volcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLT

    $69,971

    21,421 mi.
    Est. $1,315/mo

    Coulter Cadillac Buick GMC

    4.8
    Check Availability
    Phoenix, AZ (1,449 mi)
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  • Onyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLT

    $70,373

    13,429 mi.
    Est. $1,323/mo

    Bill Luke Marana

    4.5
    Check Availability
    Tucson, AZ (1,444 mi)
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  • Summit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLT

    $71,523

    18,781 mi.
    Est. $1,344/mo

    Woody Folsom Chevrolet Buick GMC

    4.4
    Check Availability
    Baxley, GA (756 mi)
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  • Onyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLTOnyx Black 2025 GMC Sierra 3500 SLT

    $67,900

    $4K
    41,657 mi.
    Est. $1,276/mo

    Countryside Chevrolet

    Check Availability
    Byron, GA (672 mi)
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  • Volcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLT

    $71,900

    $556
    13,150 mi.
    Est. $1,351/mo

    Expressway Chevrolet GMC

    Check Availability
    Mt Vernon, IN (273 mi)
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  • Sterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLT

    $69,873

    $500
    10,308 mi.
    Est. $1,313/mo

    Bill Luke Santan

    4.3
    Check Availability
    Gilbert, AZ (1,442 mi)
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  • Summit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLT

    $74,895

    7,728 mi.
    Est. $1,408/mo

    Cole Chevrolet, Inc.

    4.2
    Check Availability
    Pocatello, ID (1,264 mi)
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  • Sterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLT

    $69,900

    $3K
    35,868 mi.
    Est. $1,314/mo

    Countryside Chevrolet

    Check Availability
    Byron, GA (672 mi)
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  • Volcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLT

    $61,149

    $846
    19,532 mi.
    Est. $1,149/mo

    Corwin Buick GMC Cadillac Reno

    4.6
    Check Availability
    Reno, NV (1,683 mi)
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  • Summit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLTSummit White 2025 GMC Sierra 3500 SLT

    $64,972

    $1.7K
    13,425 mi.
    Est. $1,221/mo

    Kendall Ford of Marysville

    4.5
    Check Availability
    Marysville, WA (1,727 mi)
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  • Sterling 2025 GMC Sierra 3500 SLTSterling 2025 GMC Sierra 3500 SLTSterling 2025 GMC Sierra 3500 SLTSterling 2025 GMC Sierra 3500 SLTSterling 2025 GMC Sierra 3500 SLTSterling 2025 GMC Sierra 3500 SLT

    $64,380

    21,437 mi.
    Est. $1,210/mo

    Kissner Motors

    Check Availability
    Grand Junction, CO (1,115 mi)
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  • Volcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLT

    Not Priced

    6,118 mi.
    Est. $0/mo

    Newcastle Motors

    Check Availability
    Newcastle, WY (851 mi)
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  • Sterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLTSterling Metallic 2025 GMC Sierra 3500 SLT

    Not Priced

    5,398 mi.
    Est. $0/mo

    4M Autoplex

    Check Availability
    Abilene, TX (934 mi)
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  • Volcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2025 GMC Sierra 3500 SLT

    Not Priced

    16,739 mi.
    Est. $0/mo

    All American Chrysler Jeep Dodge Fiat of San Angelo

    Check Availability
    San Angelo, TX (1,012 mi)
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  • Onyx Black 2025 GMC Sierra 3500 SLT

    $72,399

    14,244 mi.
    Est. $1,361/mo

    Montrose Ford Nissan

    Check Availability
    Montrose, CO (1,092 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2026 GMC Sierra 3500 SLT 2 Good deals
2024 GMC Sierra 3500 SLT $62,109 6 Great deals

About the 2025 GMC Sierra 3500 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 3500 SLT
FAQs

How much does the 2025 GMC Sierra 3500 SLT cost?

The 2025 GMC Sierra 3500 SLT price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2025 Sierra 3500 SLT is $69,352, with pricing starting at $61,149.

What are some similar vehicles and competitors of the 2025 GMC Sierra 3500 SLT?

The 2025 GMC Sierra 3500 SLT compares to and/or competes against the following vehicles:


Trims

SLT (4 styles)

Style
2WD Crew Cab 172" SLT *Ltd Avail* 4WD Crew Cab 159" SLT 2WD Crew Cab 159" SLT *Ltd Avail* 4WD Crew Cab 172" SLT
Inventory price
Starting at $63,300 Starting at $65,900 Starting at $63,100 Starting at $66,100
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 3500 trims