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 Listings
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
  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $73,023

    $10K

    MSRP $86,075

    Est. $1,376/mo

    Ron Marhofer Buick GMC

    4.2
    North Canton, OH (330 mi)
    Check Availability

  • White 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLTWhite 2026 GMC Sierra 3500 SLT

    $73,841

    $2K

    MSRP $87,905

    Est. $1,391/mo

    Fabre Chevrolet GMC

    4.7
    Saint Francisville, LA (794 mi)
    Check Availability

  • Titanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLT

    $71,394

    MSRP $78,245

    Est. $1,345/mo

    Thompson Buick Cadillac GMC

    3.8
    Raleigh, NC (641 mi)
    Check Availability

  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $79,729

    MSRP $86,130

    Est. $1,502/mo

    Stan McNabb Chevrolet Buick GMC Cadillac

    4.2
    Tullahoma, TN (455 mi)
    Check Availability
  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLT

    $83,513

    $2K
    Est. $1,573/mo

    McDonald GMC Cadillac

    4.8
    Saginaw, MI (213 mi)
    Check Availability
  • GBA/ONYX BLACK 2026 GMC Sierra 3500 SLTGBA/ONYX BLACK 2026 GMC Sierra 3500 SLTGBA/ONYX BLACK 2026 GMC Sierra 3500 SLTGBA/ONYX BLACK 2026 GMC Sierra 3500 SLTGBA/ONYX BLACK 2026 GMC Sierra 3500 SLTGBA/ONYX BLACK 2026 GMC Sierra 3500 SLT

    $76,652

    MSRP $91,030

    Est. $1,444/mo

    Group 1 Buick GMC South

    4.6
    Houston, TX (948 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLT

    $75,681

    $2K
    Est. $1,426/mo

    Vernon Auto Group

    4.8
    Vernon, TX (829 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLT

    $80,195

    $2K

    MSRP $92,474

    Est. $1,511/mo

    Parks GMC Kernersville

    4.1
    Kernersville, NC (568 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $75,235

    $2K
    Est. $1,417/mo

    Vernon Auto Group

    4.8
    Vernon, TX (829 mi)
    Check Availability

  • Volcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLT

    $73,007

    $305
    8,165 mi.
    Est. $1,375/mo

    Bob Allen Motor Mall

    4.6
    Danville, KY (329 mi)
    Check Availability
  • Sterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLT

    $74,904

    $2K

    MSRP $89,009

    Est. $1,411/mo

    Les Stanford Buick GMC

    4.5
    Ferndale, MI (235 mi)
    Check Availability
  • Titanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLTTitanium Rush Metallic 2026 GMC Sierra 3500 SLT

    $70,881

    MSRP $78,689

    Est. $1,335/mo

    GMC of Rochester

    4.5
    Rochester, MN (289 mi)
    Check Availability
  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLT

    $82,805

    $2K

    MSRP $88,305

    Est. $1,560/mo

    Sleepy Hollow Chevrolet Buick GMC

    4.3
    Viroqua, WI (203 mi)
    Check Availability
  • Glacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLTGlacier White 2026 GMC Sierra 3500 SLT

    $77,392

    $2K

    MSRP $86,894

    Est. $1,458/mo

    Weirs Motor Sales, Inc.

    4.8
    Arundel, ME (876 mi)
    Check Availability
  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLT

    $71,544

    MSRP $78,395

    Est. $1,348/mo

    Thompson Buick Cadillac GMC

    3.8
    Raleigh, NC (641 mi)
    Check Availability

  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $80,602

    $2K

    MSRP $87,930

    Est. $1,518/mo

    Robert Brogden's Garden City GMC

    4.7
    Garden City, KS (751 mi)
    Check Availability
  • Sterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLT

    $74,572

    $2K

    MSRP $87,120

    Est. $1,405/mo

    Dave Sinclair Buick GMC

    4.9
    Saint Louis, MO (273 mi)
    Check Availability
  • Volcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLT

    $75,888

    MSRP $79,294

    Est. $1,430/mo

    Suntrup Buick GMC

    4.1
    Saint Peters, MO (264 mi)
    Check Availability
  • Glacier White Tricoat 2026 GMC Sierra 3500 SLTGlacier White Tricoat 2026 GMC Sierra 3500 SLTGlacier White Tricoat 2026 GMC Sierra 3500 SLTGlacier White Tricoat 2026 GMC Sierra 3500 SLTGlacier White Tricoat 2026 GMC Sierra 3500 SLTGlacier White Tricoat 2026 GMC Sierra 3500 SLT

    $76,465

    $2K
    Est. $1,441/mo

    Fury GMC Forest Lake

    4.9
    Forest Lake, MN (357 mi)
    Check Availability
  • Sterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLTSterling 2026 GMC Sierra 3500 SLT

    $71,995

    MSRP $73,595

    Est. $1,356/mo

    Baker City Chevrolet Buick GMC

    4.6
    Baker City, OR (1,522 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $74,596

    $4.6K

    MSRP $87,330

    Est. $1,405/mo

    McSweeney Chevrolet GMC Clanton

    4.4
    Clanton, AL (624 mi)
    Check Availability

  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 3500 SLT

    $71,015

    MSRP $78,839

    Est. $1,338/mo

    GMC of Rochester

    4.5
    Rochester, MN (289 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLT

    $79,203

    $2K

    MSRP $86,305

    Est. $1,492/mo

    Lindsay Buick Gmc

    4.7
    Columbus, OH (282 mi)
    Check Availability
  • Volcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLTVolcanic Red 2026 GMC Sierra 3500 SLT

    $88,064

    MSRP $87,869

    Est. $1,659/mo

    Olympic Chevrolet Buick GMC

    4.7
    Huron, SD (560 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLT

    $70,819

    MSRP $76,420

    Est. $1,334/mo

    Key Chevrolet GMC Cadillac of Burlington

    4.4
    South Burlington, VT (747 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $71,220

    $373
    400 mi.
    Est. $1,342/mo

    Transwest GMC Denver

    4.8
    Henderson, CO (911 mi)
    Check Availability
  • Gray 2026 GMC Sierra 3500 SLTGray 2026 GMC Sierra 3500 SLTGray 2026 GMC Sierra 3500 SLTGray 2026 GMC Sierra 3500 SLTGray 2026 GMC Sierra 3500 SLTGray 2026 GMC Sierra 3500 SLT

    $83,256

    $2K

    MSRP $88,320

    Est. $1,568/mo

    Fabre Chevrolet GMC

    4.7
    Saint Francisville, LA (794 mi)
    Check Availability

  • Sterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLTSterling Metallic 2026 GMC Sierra 3500 SLT

    $68,633

    $1K
    Est. $1,293/mo

    Sharp Automotive

    Watertown, SD (520 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $69,047

    $2K

    MSRP $81,745

    Est. $1,301/mo

    Nick Dellen Chevrolet GMC

    Tipton, IN (139 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLT

    $77,900

    $2K
    Est. $1,468/mo

    North Country Chevrolet GMC

    Hibbing, MN (463 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $73,170

    13,831 mi.
    Est. $1,378/mo

    Crossroads Ford

    Ravena, NY (708 mi)
    Check Availability

GMC Sierra 3500 prices by year

Model year Average price Deals
2025 GMC Sierra 3500 SLT $66,661 9 Great deals
2024 GMC Sierra 3500 SLT $58,467 8 Great deals

About the 2026 GMC Sierra 3500 SLT

Basics

SLT shown.

Seating
5
Door count
4
Drivetrain
Four 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 2026 GMC Sierra 3500 SLT
FAQs

How much does the 2026 GMC Sierra 3500 SLT cost?

The 2026 GMC Sierra 3500 SLT price depends on optional features. Prices typically start at $66,700.

What are some similar vehicles and competitors of the 2026 GMC Sierra 3500 SLT?

The 2026 GMC Sierra 3500 SLT compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 3500 SLT reliable?

The 2026 GMC Sierra 3500 has an average reliability rating of 4.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 3500 owners.

Ratings (2 reviews)

50% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.0
Interior
4.0
Performance
4.5
Value
3.5
Exterior
5.0
Reliability
4.5
Trims

SLT (2 styles)

Style
4WD Crew Cab 159" SLT 4WD Crew Cab 172" SLT
Inventory price
Starting at $66,700 Starting at $66,900
Combined MPG
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)

2026 GMC Sierra 3500 trims