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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $104,137

    $1.2K

    MSRP $108,374

    Est. $1,849/mo

    Currie Motors Buick GMC

    4.9
    Valparaiso, IN (41 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $92,665

    $2K

    MSRP $94,665

    Est. $1,645/mo

    Starling Buick GMC Stuart

    4.9
    Stuart, FL (1,095 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $101,018

    Est. $1,794/mo

    AutoNation Buick GMC West Sahara

    4.4
    Las Vegas, NV (1,527 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $101,077

    $2.5K
    Est. $1,795/mo

    AutoNation Buick GMC Henderson

    4.2
    Henderson, NV (1,519 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $93,554

    $2.3K

    MSRP $95,149

    Est. $1,661/mo

    AutoNation Buick GMC Park Meadows

    4.4
    Lone Tree, CO (917 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $89,053

    $2K
    Est. $1,581/mo

    Autonation Buick GMC Laurel

    4.3
    Laurel, MD (599 mi)
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  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $88,999

    $1K
    Est. $1,580/mo

    AutoNation Buick GMC West

    4.0
    Golden, CO (929 mi)
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  • 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

    $69,751

    MSRP $74,475

    Est. $1,238/mo

    Gwatney Buick GMC

    4.6
    North Little Rock, AR (548 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $84,995

    $2K

    MSRP $97,125

    Est. $1,509/mo

    AutoNation Buick GMC Corpus Christi

    4.6
    Corpus Christi, TX (1,123 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $86,957

    $2K
    Est. $1,544/mo

    AutoNation Buick GMC West Sahara

    4.4
    Las Vegas, NV (1,527 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $93,809

    $2K

    MSRP $95,010

    Est. $1,666/mo

    AutoNation Buick GMC Park Meadows

    4.4
    Lone Tree, CO (917 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $57,544

    $1K
    Est. $1,022/mo

    AutoNation Buick GMC West

    4.0
    Golden, CO (929 mi)
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  • Summit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 Denali

    $94,255

    $2K

    MSRP $96,030

    Est. $1,674/mo

    AutoNation Buick GMC Corpus Christi

    4.6
    Corpus Christi, TX (1,123 mi)
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  • 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

    $55,824

    $1K

    MSRP $63,935

    Est. $991/mo

    GMC of Rochester

    4.4
    Rochester, MN (289 mi)
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  • White 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 DenaliWhite 2026 GMC Sierra 3500 Denali

    $89,555

    $2K

    MSRP $97,055

    Est. $1,590/mo

    Davis Gainesville Chevrolet GMC

    4.5
    Gainesville, FL (894 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $102,033

    MSRP $101,734

    Est. $1,812/mo

    Rusty Drewing Chevrolet Buick GMC

    4.8
    Jefferson City, MO (334 mi)
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  • Glacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 Denali

    $90,415

    MSRP $97,435

    Est. $1,605/mo

    Master Buick GMC

    4.8
    Augusta, GA (653 mi)
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  • Metallic 2026 GMC Sierra 3500 Denali UltimateMetallic 2026 GMC Sierra 3500 Denali UltimateMetallic 2026 GMC Sierra 3500 Denali UltimateMetallic 2026 GMC Sierra 3500 Denali UltimateMetallic 2026 GMC Sierra 3500 Denali UltimateMetallic 2026 GMC Sierra 3500 Denali Ultimate

    $101,789

    MSRP $100,790

    Est. $1,807/mo

    Chevrolet GMC of Fairbanks

    4.8
    Fairbanks, AK (2,788 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $63,000

    MSRP $68,085

    Est. $1,119/mo

    Kirksville Motor Company

    4.9
    Kirksville, MO (282 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $84,634

    MSRP $91,035

    Est. $1,503/mo

    Van Chevrolet

    4.6
    Scottsdale, AZ (1,437 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $87,349

    Est. $1,551/mo

    Royal Buick GMC Cadillac

    4.7
    Tucson, AZ (1,441 mi)
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  • 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

    $59,779

    $1K

    MSRP $60,160

    Est. $1,061/mo

    Patriot GMC Hyundai

    4.9
    Bartlesville, OK (569 mi)
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  • Summit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 Denali

    $92,604

    Est. $1,644/mo

    Perrysburg Automall

    4.7
    Perrysburg, OH (208 mi)
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  • Onyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLTOnyx Black 2026 GMC Sierra 3500 SLT

    $87,230

    Est. $1,549/mo

    Hudson Cadillac Buick GMC

    4.9
    Poughkeepsie, NY (707 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $79,470

    $1K

    MSRP $89,470

    Est. $1,411/mo

    Mayse Automotive

    4.5
    Aurora, MO (471 mi)
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  • 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

    $71,247

    $1K
    Est. $1,265/mo

    Bayer Ford

    Comanche, TX (917 mi)
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  • Onyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali Ultimate

    $96,118

    MSRP $103,155

    Est. $1,707/mo

    Courtesy Buick GMC

    4.9
    Louisville, KY (276 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $86,335

    $7K
    Est. $1,533/mo

    Quebedeaux Buick GMC

    4.5
    Tucson, AZ (1,440 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    Not Priced

    MSRP $98,114

    Est. $0/mo

    Ed Martin Buick GMC

    4.9
    Carmel, IN (154 mi)
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  • 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

    $75,033

    $1K
    Est. $1,332/mo

    Woodhouse Buick GMC of Omaha

    4.2
    Omaha, NE (440 mi)
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About the 2026 GMC Sierra 3500

Basics

Pro shown (base trim).

Seating
2
Door count
2
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 2026 GMC Sierra 3500
FAQs

How much does the 2026 GMC Sierra 3500 cost?

The 2026 GMC Sierra 3500 price depends on trim level and optional features. Prices typically start at $48,200 and go as high as $97,800 for fully loaded models.

Is the 2026 GMC Sierra 3500 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.

Is the 2026 GMC Sierra 3500 a good truck?

Below are the Cars.com consumer ratings for the 2026 GMC Sierra 3500.

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

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $73,400 Starting at $73,600
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)

Denali (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $76,300 Starting at $76,500
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)

Denali Ultimate (2 styles)

Style
4WD Crew Cab 159" Denali Ultimate 4WD Crew Cab 172" Denali Ultimate
Inventory price
Starting at $97,600 Starting at $97,800
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)

Pro (8 styles)

Style
4WD Double Cab 162" Pro 2WD Double Cab 162" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 2WD Crew Cab 172" Pro 4WD Crew Cab 172" Pro 2WD Reg Cab 142" Pro 4WD Reg Cab 142" Pro
Inventory price
Starting at $53,100 Starting at $50,300 Starting at $51,900 Starting at $54,700 Starting at $52,100 Starting at $54,900 Starting at $48,200 Starting at $51,000
Combined MPG
0 0 0 0 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) 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)

SLE (4 styles)

Style
4WD Double Cab 162" SLE 4WD Reg Cab 142" SLE 4WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE
Inventory price
Starting at $57,500 Starting at $55,200 Starting at $59,300 Starting at $59,100
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)

SLT (2 styles)

Style
4WD Crew Cab 172" SLT 4WD Crew Cab 159" SLT
Inventory price
Starting at $66,600 Starting at $66,400
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)
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