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  • Titanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLETitanium Rush Metallic 2026 GMC Sierra 3500 SLE

    $70,259

    $2K
    Est. $1,324/mo

    Thompson Buick, GMC, Cadillac

    4.9
    Springfield, MO (444 mi)
    Check Availability

  • Onyx Black 2026 GMC Sierra 3500 SLE

    $66,734

    Est. $1,257/mo

    Quality Buick GMC

    3.2
    Albuquerque, NM (1,123 mi)
    Check Availability

  • Sterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLE

    $74,009

    MSRP $79,410

    Est. $1,394/mo

    Van Chevrolet

    4.6
    Scottsdale, AZ (1,437 mi)
    Check Availability

  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $70,969

    MSRP $75,470

    Est. $1,337/mo

    Chevrolet GMC of Fairbanks

    4.8
    Fairbanks, AK (2,788 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $72,765

    $2K

    MSRP $77,570

    Est. $1,371/mo

    Honolulu GMC Cadillac

    4.0
    Honolulu, HI (4,250 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $65,389

    MSRP $66,090

    Est. $1,232/mo

    Rusty Drewing Chevrolet Buick GMC

    4.8
    Jefferson City, MO (334 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $54,838

    MSRP $60,638

    Est. $1,033/mo

    Corwin Buick GMC Cadillac Reno

    4.6
    Reno, NV (1,683 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $70,440

    $2K

    MSRP $79,660

    Est. $1,327/mo

    Ferman Buick GMC

    4.9
    Lutz, FL (991 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $61,819

    $1.9K

    MSRP $66,125

    Est. $1,165/mo

    Gwatney Buick GMC

    4.6
    North Little Rock, AR (548 mi)
    Check Availability

  • Sterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLE

    $68,099

    $2.3K

    MSRP $80,405

    Est. $1,283/mo

    Tasca Buick GMC Palm Harbor

    4.8
    Palm Harbor, FL (995 mi)
    Check Availability
  • Black 2026 GMC Sierra 3500 SLEBlack 2026 GMC Sierra 3500 SLEBlack 2026 GMC Sierra 3500 SLEBlack 2026 GMC Sierra 3500 SLEBlack 2026 GMC Sierra 3500 SLEBlack 2026 GMC Sierra 3500 SLE

    $62,478

    $511
    5,247 mi.
    Est. $1,177/mo

    Star GMC of Easton

    4.6
    Easton, PA (646 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLE

    $66,449

    $2K

    MSRP $77,050

    Est. $1,252/mo

    Key GMC of Rochester

    4.7
    Rochester, NH (856 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $62,502

    $703
    135 mi.
    Est. $1,177/mo

    Ron Carter Chevrolet

    4.4
    Alvin, TX (959 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $64,931

    $2K
    Est. $1,223/mo

    Briggs Nissan Buick GMC

    4.5
    Manhattan, KS (507 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $56,022

    Est. $1,055/mo

    Southtowne Chevrolet Cadillac Buick GMC

    4.0
    Newnan, GA (608 mi)
    Check Availability

  • Onyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLE

    $63,261

    MSRP $66,080

    Est. $1,192/mo

    Ecodrive Chevrolet GMC of Gorham

    4.7
    Gorham, NH (846 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $61,430

    MSRP $62,155

    Est. $1,157/mo

    Mills GM

    4.8
    Baxter, MN (451 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLE

    $65,360

    MSRP $68,185

    Est. $1,231/mo

    Platinum Buick GMC of White Plains

    4.4
    White Plains, NY (719 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $63,343

    $1K

    MSRP $66,410

    Est. $1,193/mo

    Atwater Chevrolet

    4.7
    Aitkin, MN (440 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $60,717

    Est. $1,144/mo

    Bonander GMC

    5.0
    Turlock, CA (1,780 mi)
    Check Availability
  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $53,182

    Est. $1,002/mo

    Southtowne Chevrolet Cadillac Buick GMC

    4.0
    Newnan, GA (608 mi)
    Check Availability

  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $64,215

    MSRP $64,215

    Est. $1,210/mo

    Murdock GM

    4.5
    Logan, UT (1,242 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLE

    $62,117

    MSRP $61,920

    Est. $1,170/mo

    Central GMC of Norwood

    5.0
    Norwood, MA (844 mi)
    Check Availability
  • Sterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLE

    $70,349

    9,064 mi.
    Est. $1,325/mo

    Poage Chevy Buick of Hannibal

    5.0
    Hannibal, MO (249 mi)
    Check Availability
  • Cardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLECardinal Red 2026 GMC Sierra 3500 SLE

    $68,700

    21,250 mi.
    Est. $1,294/mo

    Unlimited Motors Fishers

    4.0
    Fishers, IN (159 mi)
    Check Availability
  • Sterling Gray Metallic 2026 GMC Sierra 3500 SLESterling Gray Metallic 2026 GMC Sierra 3500 SLESterling Gray Metallic 2026 GMC Sierra 3500 SLESterling Gray Metallic 2026 GMC Sierra 3500 SLESterling Gray Metallic 2026 GMC Sierra 3500 SLESterling Gray Metallic 2026 GMC Sierra 3500 SLE

    $55,995

    33,000 mi.
    Est. $1,055/mo

    White Horse Automotive

    4.1
    Avon, NY (512 mi)
    Check Availability
  • Gray 2026 GMC Sierra 3500 SLEGray 2026 GMC Sierra 3500 SLEGray 2026 GMC Sierra 3500 SLEGray 2026 GMC Sierra 3500 SLEGray 2026 GMC Sierra 3500 SLEGray 2026 GMC Sierra 3500 SLE

    $78,150

    MSRP $77,660

    Est. $1,472/mo

    Spitzer Chevrolet GMC Cadillac of Dubois

    4.6
    DuBois, PA (462 mi)
    Check Availability

  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $77,104

    $2K
    Est. $1,453/mo

    Peitz GMC-Service Inc.

    Hartington, NE (495 mi)
    Check Availability
  • Sterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLESterling Metallic 2026 GMC Sierra 3500 SLE

    $70,260

    $9K
    Est. $1,324/mo

    Bob Poynter Chevrolet Buick GMC

    Seymour, IN (223 mi)
    Check Availability
  • Sterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLESterling 2026 GMC Sierra 3500 SLE

    $64,995

    330 mi.
    Est. $1,224/mo

    Muscatell GMC

    Detroit Lakes, MN (530 mi)
    Check Availability
  • Onyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLEOnyx Black 2026 GMC Sierra 3500 SLE

    $65,366

    8,437 mi.
    Est. $1,231/mo

    Michael's Motor Co.

    Nashville, TN (400 mi)
    Check Availability

GMC Sierra 3500 prices by year

Model year Average price Deals
2025 GMC Sierra 3500 SLE $58,113 6 Great deals
2024 GMC Sierra 3500 SLE $54,091 8 Great deals

About the 2026 GMC Sierra 3500 SLE

Basics

SLE shown.

Seating
3
Door count
2
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 SLE
FAQs

How much does the 2026 GMC Sierra 3500 SLE cost?

The 2026 GMC Sierra 3500 SLE price depends on optional features. Prices typically start at $55,500.

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

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


Is the 2026 GMC Sierra 3500 SLE 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

SLE (4 styles)

Style
4WD Double Cab 162" SLE 4WD Reg Cab 142" SLE 4WD Crew Cab 159" SLE 4WD Crew Cab 172" SLE
Inventory price
Starting at $57,800 Starting at $55,500 Starting at $59,400 Starting at $59,600
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)

2026 GMC Sierra 3500 trims