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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

    $61,411

    $798
    35,932 mi.
    Est. $1,154/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

    $55,997

    $1K
    79,434 mi.
    Est. $1,053/mo

    Fowler Ford Tulsa

    4.1
    Check Availability
    Tulsa, OK (597 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

    $61,910

    $975
    49,535 mi.
    Est. $1,164/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

    $65,563

    $1.1K
    34,217 mi.
    Est. $1,232/mo

    Liberty GMC

    4.5
    Check Availability
    Peoria, AZ (1,454 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

    $53,990

    $500
    66,225 mi.
    Est. $1,015/mo

    Leman's Chevy City

    4.4
    Check Availability
    Bloomington, IL (121 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

    $50,990

    94,298 mi.
    Est. $958/mo

    Joe Basil Chevrolet

    4.2
    Check Availability
    Depew, NY (462 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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  • 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

    $54,495

    $1K
    86,506 mi.
    Est. $1,024/mo

    El Dorado Chevrolet

    4.6
    Check Availability
    McKinney, TX (774 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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  • 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

    $53,025

    $2.3K
    82,021 mi.
    Est. $997/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

    $52,288

    84,131 mi.
    Est. $983/mo

    Lynn Layton Chevrolet Inc

    4.7
    Check Availability
    Decatur, AL (507 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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  • 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

    $58,306

    57,841 mi.
    Est. $1,096/mo

    Fred Anderson Nissan of Asheville

    4.8
    Check Availability
    Asheville, NC (515 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

    $64,192

    52,132 mi.
    Est. $1,207/mo

    Group 1 Ford of Rivertown

    4.8
    Check Availability
    Columbus, GA (663 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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  • 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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  • 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

    $59,000

    43,517 mi.
    Est. $1,109/mo

    Bob Jeannotte Buick GMC

    4.4
    Check Availability
    Plymouth, MI (216 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

    $52,699

    $176
    75,171 mi.
    Est. $991/mo

    Rochester Chevrolet Cadillac

    4.7
    Check Availability
    Rochester, MN (286 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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  • 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

    $44,637

    $7.8K
    149,931 mi.
    Est. $839/mo

    SouthWest Ford

    4.4
    Check Availability
    Weatherford, TX (838 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

    $58,995

    32,777 mi.
    Est. $1,109/mo

    Medina Auto Mall

    4.5
    Check Availability
    Medina, OH (307 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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  • 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

    $60,990

    58,351 mi.
    Est. $1,146/mo

    Rochester Toyota

    4.6
    Check Availability
    Rochester, NH (851 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

    $66,550

    33,179 mi.
    Est. $1,251/mo

    Country Diesels

    4.7
    Check Availability
    Warrenton, VA (564 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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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 AT4 8 Great deals
2025 GMC Sierra 2500 AT4 $74,883 18 Great deals
2024 GMC Sierra 2500 AT4 $70,555 8 Great deals
2022 GMC Sierra 2500 AT4 $54,054 32 Great deals
2021 GMC Sierra 2500 AT4 $53,856 5 Great deals
2020 GMC Sierra 2500 AT4 $50,378 26 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 $57,853, 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