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  • Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4

    $53,995

    $1K
    61,771 mi.
    Est. $1,015/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (254 mi)

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  • Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4

    $56,997

    $500
    79,434 mi.
    Est. $1,071/mo

    Fowler Ford Tulsa

    4.1
    Check Availability
    Tulsa, OK (597 mi)

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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4

    $57,507

    57,838 mi.
    Est. $1,081/mo

    Fred Anderson Nissan of Asheville

    4.8
    Check Availability
    Asheville, NC (515 mi)
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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4

    $53,497

    $500
    86,272 mi.
    Est. $1,006/mo

    J.B.A. Chevrolet

    4.6
    Check Availability
    Glen Burnie, MD (608 mi)
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  • Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4

    $53,987

    79,165 mi.
    Est. $1,015/mo

    Classic Buick GMC

    4.7
    Check Availability
    Houston, TX (949 mi)
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  • Cayenne Red Tintcoat 2023 GMC Sierra 2500 AT4Cayenne Red Tintcoat 2023 GMC Sierra 2500 AT4Cayenne Red Tintcoat 2023 GMC Sierra 2500 AT4Cayenne Red Tintcoat 2023 GMC Sierra 2500 AT4Cayenne Red Tintcoat 2023 GMC Sierra 2500 AT4Cayenne Red Tintcoat 2023 GMC Sierra 2500 AT4

    $59,859

    $1.1K
    69,476 mi.
    Est. $1,125/mo

    Shottenkirk Nissan Katy

    4.8
    Check Availability
    Katy, TX (953 mi)
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  • Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4

    $53,225

    $2.1K
    82,021 mi.
    Est. $1,000/mo

    Bob Caldwell Chrysler Jeep Dodge RAM

    4.6
    Check Availability
    Columbus, OH (275 mi)
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  • Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4

    $62,857

    $1.8K
    37,615 mi.
    Est. $1,181/mo

    Arrowhead Cadillac

    3.3
    Check Availability
    Glendale, AZ (1,453 mi)

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  • Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4

    $62,885

    49,535 mi.
    Est. $1,182/mo

    Shottenkirk Toyota of Weatherford

    4.8
    Check Availability
    Weatherford, TX (838 mi)
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  • Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4

    $60,998

    $1K
    21,071 mi.
    Est. $1,147/mo

    Walser Polar Chevrolet

    4.3
    Check Availability
    White Bear Lake, MN (349 mi)
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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4

    $59,500

    $1K
    47,597 mi.
    Est. $1,118/mo

    Len Stoler Chrysler Dodge Jeep RAM

    4.5
    Check Availability
    Westminster, MD (582 mi)
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  • White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4

    $56,933

    88,171 mi.
    Est. $1,070/mo

    Pigg Enterprises Inc

    4.9
    Check Availability
    Prattville, AL (655 mi)
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  • White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4White 2023 GMC Sierra 2500 AT4

    $53,562

    $500
    79,281 mi.
    Est. $1,007/mo

    DallasLeaseReturns.com

    5.0
    Check Availability
    Dallas, TX (797 mi)
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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4

    $59,000

    38,414 mi.
    Est. $1,109/mo

    Shea Buick GMC

    4.3
    Check Availability
    Flint, MI (212 mi)
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  • Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4

    $62,209

    35,932 mi.
    Est. $1,169/mo

    Bartlesville CDJR

    4.6
    Check Availability
    Bartlesville, OK (570 mi)
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  • Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4

    $55,995

    $1K
    83,752 mi.
    Est. $1,053/mo

    Vanguard Kia of Arlington

    4.3
    Check Availability
    Arlington, TX (820 mi)
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  • Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4

    $54,999

    56,486 mi.
    Est. $1,034/mo

    John Miles Chevrolet Buick GMC

    4.3
    Check Availability
    Conyers, GA (602 mi)
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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4

    $53,197

    $3.8K
    84,553 mi.
    Est. $1,000/mo

    Burns Chevrolet

    4.8
    Check Availability
    Rock Hill, SC (598 mi)
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  • Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4Onyx Black 2023 GMC Sierra 2500 AT4

    $61,997

    59,221 mi.
    Est. $1,165/mo

    Harold Chevrolet

    4.8
    Check Availability
    Angola, IN (137 mi)
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  • Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4Summit White 2023 GMC Sierra 2500 AT4

    $55,750

    $250
    70,721 mi.
    Est. $1,048/mo

    Pilson Auto Center of Charleston

    4.1
    Check Availability
    Charleston, IL (168 mi)
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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4

    $64,998

    $1K
    25,595 mi.
    Est. $1,222/mo

    Audi Wichita

    4.9
    Check Availability
    Wichita, KS (584 mi)
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  • Black 2023 GMC Sierra 2500 AT4Black 2023 GMC Sierra 2500 AT4Black 2023 GMC Sierra 2500 AT4Black 2023 GMC Sierra 2500 AT4Black 2023 GMC Sierra 2500 AT4Black 2023 GMC Sierra 2500 AT4

    $61,998

    $1K
    34,233 mi.
    Est. $1,165/mo

    CarMax Lafayette

    Check Availability
    Lafayette, LA (847 mi)
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  • Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4Pacific Blue Metallic 2023 GMC Sierra 2500 AT4

    $58,207

    57,409 mi.
    Est. $1,094/mo

    Beaverton INFINITI

    4.5
    Check Availability
    Portland, OR (1,759 mi)
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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4Ebony Twilight Metallic 2023 GMC Sierra 2500 AT4

    $52,995

    $1K
    85,978 mi.
    Est. $996/mo

    Laura Automotive of Sullivan, LLC

    4.0
    Check Availability
    Sullivan, MO (311 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 AT4 9 Great deals
2025 GMC Sierra 2500 AT4 $74,818 17 Great deals
2024 GMC Sierra 2500 AT4 $70,544 339 Good deals
2022 GMC Sierra 2500 AT4 $53,962 26 Great deals
2021 GMC Sierra 2500 AT4 $53,244 5 Great deals
2020 GMC Sierra 2500 AT4 $49,461 25 Good deals

About the 2023 GMC Sierra 2500 AT4

Basics

AT4 shown.

Seating
5
Door count
4
Drivetrain
Four Wheel Drive
Combined MPG
0
Transmission
6-Speed A/T
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2023 GMC Sierra 2500 AT4
FAQs

How much does the 2023 GMC Sierra 2500 AT4 cost?

The 2023 GMC Sierra 2500 AT4 price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2023 Sierra 2500 AT4 is $57,738, with pricing starting at $39,850.

What are some similar vehicles and competitors of the 2023 GMC Sierra 2500 AT4?

The 2023 GMC Sierra 2500 AT4 compares to and/or competes against the following vehicles:


Is the 2023 GMC Sierra 2500 AT4 reliable?

The 2023 GMC Sierra 2500 has an average reliability rating of 1 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2023 Sierra 2500 owners.

Ratings (1 review)

Rating breakdown (out of 5):
Comfort
4.0
Interior
4.0
Performance
1.0
Value
1.0
Exterior
3.0
Reliability
1.0
Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $66,600 Starting at $66,800
Combined MPG
0 0
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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GMC Sierra 2500 trims