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
  • White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4White 2026 GMC Sierra 2500 AT4

    $90,664

    Est. $1,642/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4Onyx Black 2026 GMC Sierra 2500 AT4

    $91,159

    Est. $1,651/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Silver 2026 GMC Sierra 2500 AT4Silver 2026 GMC Sierra 2500 AT4Silver 2026 GMC Sierra 2500 AT4Silver 2026 GMC Sierra 2500 AT4Silver 2026 GMC Sierra 2500 AT4Silver 2026 GMC Sierra 2500 AT4

    $91,159

    Est. $1,651/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • White 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 ProWhite 2026 GMC Sierra 2500 Pro

    $59,154

    Est. $1,071/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • White 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4XWhite 2026 GMC Sierra 2500 AT4X

    $98,584

    Est. $1,785/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Tan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4XTan 2026 GMC Sierra 2500 AT4X

    $99,079

    Est. $1,794/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Silver 2026 GMC Sierra 2500 SLTSilver 2026 GMC Sierra 2500 SLTSilver 2026 GMC Sierra 2500 SLTSilver 2026 GMC Sierra 2500 SLTSilver 2026 GMC Sierra 2500 SLTSilver 2026 GMC Sierra 2500 SLT

    $85,254

    Est. $1,544/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Black 2026 GMC Sierra 2500 SLTBlack 2026 GMC Sierra 2500 SLTBlack 2026 GMC Sierra 2500 SLTBlack 2026 GMC Sierra 2500 SLTBlack 2026 GMC Sierra 2500 SLTBlack 2026 GMC Sierra 2500 SLT

    $85,954

    Est. $1,556/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Summit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLTSummit White 2026 GMC Sierra 2500 SLT

    $84,759

    Est. $1,535/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Glacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali UltimateGlacier White Tricoat 2026 GMC Sierra 2500 Denali Ultimate

    $99,629

    Est. $1,804/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Black 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali UltimateBlack 2026 GMC Sierra 2500 Denali Ultimate

    $98,634

    Est. $1,786/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 2500 AT4X

    $89,684

    Est. $1,624/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 Denali

    $82,769

    Est. $1,499/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • $98,634

    Est. $1,786/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • $59,414

    Est. $1,076/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • $59,414

    Est. $1,076/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • $59,414

    Est. $1,076/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • $82,769

    Est. $1,499/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • $86,104

    Est. $1,559/mo

    Billion Auto - Buick GMC

    4.4
    Check Availability
    Sioux Falls, SD (16 mi)
    Quick view
  • Volcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLTVolcanic Red Tintcoat 2026 GMC Sierra 2500 SLT

    $76,000

    $4.1K

    MSRP $85,755

    Est. $1,376/mo

    Bill Kay Buick GMC

    4.4
    Check Availability
    $923 delivery from Downers Grove, IL (462 mi)
    Quick view
  • Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4Coastal Dune 2026 GMC Sierra 2500 AT4

    $71,000

    MSRP $79,920

    Est. $1,286/mo

    Woody Buick GMC Naperville

    4.9
    Check Availability
    $455 delivery from Naperville, IL (456 mi)
    Quick view
  • Glacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 DenaliGlacier White Tricoat 2026 GMC Sierra 2500 Denali

    $90,560

    MSRP $91,060

    Est. $1,640/mo

    Brookings Auto Mall

    3.9
    Check Availability
    Brookings, SD (40 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4XOnyx Black 2026 GMC Sierra 2500 AT4X

    $98,525

    MSRP $99,025

    Est. $1,784/mo

    Brookings Auto Mall

    3.9
    Check Availability
    Brookings, SD (40 mi)
    Quick view
  • Onyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 DenaliOnyx Black 2026 GMC Sierra 2500 Denali

    $91,355

    MSRP $91,855

    Est. $1,654/mo

    Brookings Auto Mall

    3.9
    Check Availability
    Brookings, SD (40 mi)
    Quick view
  • Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4Summit White 2026 GMC Sierra 2500 AT4

    $90,610

    MSRP $91,110

    Est. $1,641/mo

    Brookings Auto Mall

    3.9
    Check Availability
    Brookings, SD (40 mi)
    Quick view

About the 2026 GMC Sierra 2500

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 2500
FAQs

How much does the 2026 GMC Sierra 2500 cost?

The 2026 GMC Sierra 2500 price depends on trim level and optional features. Prices typically start at $47,000 and go as high as $94,500 for fully loaded models.

What are some similar vehicles and competitors of the 2026 GMC Sierra 2500?

The 2026 GMC Sierra 2500 compares to and/or competes against the following vehicles:


Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $72,200 Starting at $72,400
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)

AT4X (1 style)

Style
4WD Crew Cab 159" AT4X
Inventory price
Starting at $85,200
Combined MPG
0
Engine
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 $75,200 Starting at $75,400
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)

Denali Ultimate (2 styles)

Style
4WD Crew Cab 159" Denali Ultimate 4WD Crew Cab 172" Denali Ultimate
Inventory price
Starting at $94,200 Starting at $94,500
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)

Pro (10 styles)

Style
2WD Crew Cab 172" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 4WD Crew Cab 172" Pro 2WD Reg Cab 142" Pro 4WD Reg Cab 142" Pro 4WD Double Cab 162" Pro 4WD Double Cab 149" Pro 2WD Double Cab 149" Pro 2WD Double Cab 162" Pro
Inventory price
Starting at $50,900 Starting at $50,700 Starting at $53,500 Starting at $53,700 Starting at $47,000 Starting at $49,800 Starting at $51,900 Starting at $51,700 Starting at $48,900 Starting at $49,100
Combined MPG
0 0 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) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLE (5 styles)

Style
4WD Reg Cab 142" SLE 4WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE 4WD Double Cab 162" SLE 4WD Double Cab 149" SLE
Inventory price
Starting at $54,000 Starting at $58,100 Starting at $57,900 Starting at $56,300 Starting at $56,100
Combined MPG
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)

SLT (2 styles)

Style
4WD Crew Cab 159" SLT 4WD Crew Cab 172" SLT
Inventory price
Starting at $65,200 Starting at $65,500
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)
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