Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • Titanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLT

    $68,067

    3,362 mi.
    Est. $1,209/mo

    Arrigo Chrysler Dodge Jeep Ram FIAT of Ft. Pierce

    4.6
    Fort Pierce, FL (1,086 mi)
    Check Availability

    Quick view
  • 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

    $68,250

    $526
    18,087 mi.
    Est. $1,212/mo

    Jeff Belzer's Lakeville

    4.7
    Lakeville, MN (340 mi)
    Check Availability

    Quick view
  • 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

    $72,609

    10,283 mi.
    Est. $1,289/mo

    Glendale Chrysler Dodge Jeep RAM

    4.3
    St. Louis, MO (270 mi)
    Check Availability
    Quick view
  • 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

    $66,393

    $598
    13,364 mi.
    Est. $1,179/mo

    Lake Chevrolet

    4.5
    Devils Lake, ND (697 mi)
    Check Availability
    Quick view
  • 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

    $75,495

    13,300 mi.
    Est. $1,340/mo

    Robert Brogden's Garden City GMC

    4.7
    Garden City, KS (751 mi)
    Check Availability
    Quick view
  • 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

    $65,755

    8,329 mi.
    Est. $1,168/mo

    Lee Johnson Mazda of Kirkland

    4.8
    Kirkland, WA (1,726 mi)
    Check Availability
    Quick view
  • Titanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLTTitanium Rush Metallic 2025 GMC Sierra 3500 SLT

    $73,219

    12,821 mi.
    Est. $1,300/mo

    Ford of Boerne

    3.8
    Boerne, TX (1,041 mi)
    Check Availability
    Quick view
  • 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

    $67,408

    $600
    34,867 mi.
    Est. $1,197/mo

    Deyarman CDJR Ames

    4.3
    Ames, IA (307 mi)
    Check Availability

    Quick view
  • 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

    $69,698

    $200
    25,729 mi.
    Est. $1,238/mo

    Dave Arbogast Buick GMC

    4.8
    Troy, OH (220 mi)
    Check Availability
    Quick view
  • 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

    $68,700

    $1.3K
    12,113 mi.
    Est. $1,220/mo

    VW of Olympia

    3.5
    Olympia, WA (1,761 mi)
    Check Availability
    Quick view
  • Sterling 2025 GMC Sierra 3500 SLTSterling 2025 GMC Sierra 3500 SLTSterling 2025 GMC Sierra 3500 SLT

    $70,685

    32,765 mi.
    Est. $1,255/mo

    Loveland Ford Lincoln

    4.3
    Loveland, CO (909 mi)
    Check Availability
    Quick view
  • 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

    $71,099

    14,244 mi.
    Est. $1,262/mo

    Montrose Ford Nissan

    Montrose, CO (1,092 mi)
    Check Availability
    Quick view
  • Not Priced

    18,564 mi.
    Est. $0/mo

    Nourse Ford

    2.9
    Chillicothe, OH (301 mi)
    Check Availability
    Quick view
  • Not Priced

    31,493 mi.
    Est. $0/mo

    McCarthy Auto World

    4.2
    Coon Rapids, MN (367 mi)
    Check Availability
    Quick view
  • Sterling Metallic 2025 GMC Sierra 3500 SLT

    $73,990

    3,419 mi.
    Est. $1,314/mo

    Edw. J. Schwarz, Inc.

    Honesdale, PA (639 mi)
    Check Availability
    Quick view

GMC Sierra 3500 prices by year

Model year Average price Deals
2026 GMC Sierra 3500 SLT 2 Good deals
2024 GMC Sierra 3500 SLT $61,605 8 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 $69,921, with pricing starting at $65,755.

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)
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed

GMC Sierra 3500 trims