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

    $55,394

    49,503 mi.
    Est. $984/mo

    M&L Chrysler Dodge Jeep Ram of Lexington

    4.7
    Check Availability
    Lexington, NC (577 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

    $64,107

    $770
    35,932 mi.
    Est. $1,138/mo

    Pryor Chevrolet Gmc

    4.7
    Check Availability
    Pryor, OK (566 mi)

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  • Forest Metallic 2023 GMC Sierra 2500 AT4Forest Metallic 2023 GMC Sierra 2500 AT4Forest Metallic 2023 GMC Sierra 2500 AT4Forest Metallic 2023 GMC Sierra 2500 AT4Forest Metallic 2023 GMC Sierra 2500 AT4Forest Metallic 2023 GMC Sierra 2500 AT4

    $55,573

    $1.5K
    74,143 mi.
    Est. $987/mo

    Honda of Serramonte

    4.6
    Check Availability
    Colma, CA (1,859 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

    $53,665

    62,798 mi.
    Est. $953/mo

    Findlay Chrysler Dodge Jeep Ram

    4.1
    Check Availability
    Findlay, OH (213 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

    $64,199

    $551
    16,614 mi.
    Est. $1,140/mo

    AutoNation Chrysler Dodge Jeep Ram Southwest

    4.4
    Check Availability
    Littleton, CO (925 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

    $53,800

    62,896 mi.
    Est. $955/mo

    Koons Chevrolet of White Marsh

    4.8
    Check Availability
    White Marsh, MD (612 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

    $60,598

    56,093 mi.
    Est. $1,076/mo

    Colonial Chevrolet

    4.8
    Check Availability
    Acton, MA (831 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

    $59,996

    46,235 mi.
    Est. $1,065/mo

    ClearShift - Loveland

    4.7
    Check Availability
    Loveland, CO (911 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

    $60,331

    53,105 mi.
    Est. $1,071/mo

    Rountree Moore Nissan

    4.3
    Check Availability
    Lake City, FL (854 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

    $53,345

    97,715 mi.
    Est. $947/mo

    Luther Family Buick GMC

    4.5
    Check Availability
    Fargo, ND (569 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

    $67,987

    13,529 mi.
    Est. $1,207/mo

    Morgan Automotive Inc.

    5.0
    Check Availability
    Manheim, PA (599 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

    $55,857

    $2.1K
    57,842 mi.
    Est. $992/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

    $50,990

    94,298 mi.
    Est. $905/mo

    Joe Basil Chevrolet

    4.2
    Check Availability
    Depew, NY (462 mi)
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  • Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4

    $59,995

    69,705 mi.
    Est. $1,065/mo

    Freeman Buick GMC

    3.2
    Check Availability
    Grapevine, TX (807 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

    $56,112

    73,695 mi.
    Est. $996/mo

    Elder Ford of Tampa

    4.3
    Check Availability
    Tampa, FL (1,000 mi)
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  • Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4Forest Green 2023 GMC Sierra 2500 AT4

    $59,924

    $400
    79,321 mi.
    Est. $1,064/mo

    Walt Massey Chevrolet GMC Lucedale

    4.8
    Check Availability
    Lucedale, MS (759 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

    $58,011

    $400
    81,723 mi.
    Est. $1,030/mo

    Mercedes-Benz of North Orlando

    4.4
    Check Availability
    Sanford, FL (971 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

    $57,000

    43,517 mi.
    Est. $1,012/mo

    Bob Jeannotte Buick GMC

    4.4
    Check Availability
    Plymouth, MI (216 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

    $62,043

    $150
    59,247 mi.
    Est. $1,102/mo

    Harold Chevrolet

    4.8
    Check Availability
    Angola, IN (137 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

    $67,391

    34,827 mi.
    Est. $1,197/mo

    Lenz Truck - Fond du Lac, WI

    4.5
    Check Availability
    Fond du Lac, WI (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

    $56,840

    $634
    45,004 mi.
    Est. $1,009/mo

    Parks Motor Sales Inc

    4.2
    Check Availability
    Columbia, TN (434 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

    $53,660

    76,510 mi.
    Est. $953/mo

    Neil Huffman Chevy GMC Nissan of Frankfo

    4.0
    Check Availability
    Frankfort, KY (296 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

    $49,995

    $1.5K
    83,752 mi.
    Est. $888/mo

    Vanguard Kia of Arlington

    4.2
    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

    $58,307

    56,646 mi.
    Est. $1,035/mo

    Medina Auto Mall

    4.5
    Check Availability
    Medina, OH (307 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

    $43,895

    109,883 mi.
    Est. $779/mo

    Weirs Motor Sales, Inc.

    4.7
    Check Availability
    Arundel, ME (876 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

    $61,382

    40,788 mi.
    Est. $1,090/mo

    Hardy Superstore

    4.8
    Check Availability
    Dallas, GA (572 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

    $39,850

    198,011 mi.
    Est. $708/mo

    Schwieters Chevrolet of Willmar

    4.7
    Check Availability
    Willmar, MN (432 mi)
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  • Blue 2023 GMC Sierra 2500 AT4Blue 2023 GMC Sierra 2500 AT4Blue 2023 GMC Sierra 2500 AT4Blue 2023 GMC Sierra 2500 AT4Blue 2023 GMC Sierra 2500 AT4Blue 2023 GMC Sierra 2500 AT4

    $52,998

    $3K
    66,292 mi.
    Est. $941/mo

    CarMax Oxnard

    4.5
    Check Availability
    Oxnard, CA (1,783 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 AT4 16 Great deals
2025 GMC Sierra 2500 AT4 $74,378 43 Great deals
2024 GMC Sierra 2500 AT4 $69,891 65 Great deals
2022 GMC Sierra 2500 AT4 $54,112 12 Great deals
2021 GMC Sierra 2500 AT4 $52,401 7 Great deals
2020 GMC Sierra 2500 AT4 $51,683 13 Great 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 $58,892, 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