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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

    $61,555

    42,348 mi.
    Est. $1,157/mo

    Bob Johnson Used

    4.0
    Check Availability
    Rochester, NY (519 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

    $49,296

    110,862 mi.
    Est. $927/mo

    Kunes Apple Valley Buick GMC

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    Apple Valley, MN (343 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

    $54,490

    $500
    66,225 mi.
    Est. $1,024/mo

    Leman's Chevy City

    4.4
    Check Availability
    Bloomington, IL (121 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

    $60,985

    69,476 mi.
    Est. $1,146/mo

    Shottenkirk Nissan Katy

    4.8
    Check Availability
    Katy, TX (953 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

    $54,062

    $2.5K
    79,281 mi.
    Est. $1,016/mo

    DallasLeaseReturns.com

    5.0
    Check Availability
    Dallas, TX (797 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

    $52,675

    87,723 mi.
    Est. $990/mo

    Arlington Heights Ford

    5.0
    Check Availability
    Arlington Heights, IL (26 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

    $56,742

    $2K
    50,306 mi.
    Est. $1,067/mo

    McDonald GMC Cadillac

    4.9
    Check Availability
    Saginaw, MI (213 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

    $49,838

    134,180 mi.
    Est. $937/mo

    Freeman Buick GMC

    3.2
    Check Availability
    Grapevine, TX (807 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

    $55,499

    71,002 mi.
    Est. $1,043/mo

    Walser Polar Chevrolet

    4.3
    Check Availability
    White Bear Lake, MN (349 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

    $53,425

    $1.9K
    82,020 mi.
    Est. $1,004/mo

    Bob Caldwell Chrysler Jeep Dodge RAM

    4.6
    Check Availability
    Columbus, OH (275 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

    $56,000

    $750
    70,721 mi.
    Est. $1,053/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

    $57,587

    $1.1K
    60,055 mi.
    Est. $1,082/mo

    Jones GMC

    4.7
    Check Availability
    Savannah, TN (462 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

    $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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  • 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

    $57,036

    $1.1K
    63,058 mi.
    Est. $1,072/mo

    LoneStar Mitsubishi

    4.2
    Check Availability
    White Settlement, TX (830 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

    $62,975

    43,323 mi.
    Est. $1,184/mo

    Thruway Nissan

    4.6
    Check Availability
    Newburgh, NY (700 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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  • 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

    $61,985

    $2K
    29,575 mi.
    Est. $1,165/mo

    Larry Puckett Chevrolet

    4.7
    Check Availability
    Prattville, AL (655 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

    $63,188

    $1.5K
    37,615 mi.
    Est. $1,188/mo

    Arrowhead Cadillac

    3.3
    Check Availability
    Glendale, AZ (1,453 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

    $57,075

    84,553 mi.
    Est. $1,073/mo

    Burns Chevrolet

    4.8
    Check Availability
    Rock Hill, SC (598 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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  • 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

    $59,900

    48,106 mi.
    Est. $1,126/mo

    Rainbow Chrysler Jeep Dodge RAM

    4.3
    Check Availability
    Covington, LA (801 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

    $60,747

    31,143 mi.
    Est. $1,142/mo

    Karl GMC of Marshalltown

    Check Availability
    Marshalltown, IA (272 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

    $52,783

    $442
    91,351 mi.
    Est. $992/mo

    Baker GMC of Cadillac

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    Cadillac, MI (197 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 $74,860 21 Great deals
2024 GMC Sierra 2500 AT4 $70,702 6 Great deals
2022 GMC Sierra 2500 AT4 $54,284 34 Great deals
2021 GMC Sierra 2500 AT4 $53,170 5 Great deals
2020 GMC Sierra 2500 AT4 $48,934 29 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 $57,051, 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