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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

    $66,764

    44,680 mi.
    Est. $1,258/mo

    ALM Mazda South

    4.5
    Morrow, GA (603 mi)
    Check Availability

  • 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

    $60,915

    29,646 mi.
    Est. $1,148/mo

    Spitzer Ford DuBois

    4.6
    DuBois, PA (462 mi)
    Check Availability

  • 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

    $56,888

    52,946 mi.
    Est. $1,072/mo

    Perkins Motor Plex of Paducah

    Paducah, KY (336 mi)
    Check Availability

  • 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

    $63,001

    46,620 mi.
    Est. $1,187/mo

    Mercedes-Benz of Hanover

    4.7
    Hanover, MA (861 mi)
    Check Availability
  • 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

    $58,615

    38,105 mi.
    Est. $1,104/mo

    Sunset Ford

    4.9
    St Louis, MO (274 mi)
    Check Availability
  • 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

    $50,983

    67,332 mi.
    Est. $960/mo

    Bell Road Mitsubishi

    4.4
    Phoenix, AZ (1,444 mi)
    Check Availability
  • 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

    $59,895

    36,711 mi.
    Est. $1,128/mo

    Herrin-Gear INFINITI

    4.8
    Jackson, MS (677 mi)
    Check Availability
  • 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

    $52,818

    57,211 mi.
    Est. $995/mo

    Grand Prairie Ford

    4.6
    Grand Prairie, TX (813 mi)
    Check Availability
  • 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

    $53,164

    $1.6K
    61,983 mi.
    Est. $1,002/mo

    Carrollton Hyundai

    4.6
    Carrollton, GA (588 mi)
    Check Availability

  • 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

    $58,350

    35,550 mi.
    Est. $1,099/mo

    Bloomington Chrysler Jeep Dodge RAM

    4.5
    Bloomington, MN (352 mi)
    Check Availability
  • 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

    $58,431

    $1K
    37,065 mi.
    Est. $1,101/mo

    Zeigler Honda of Racine

    4.6
    Mt Pleasant, WI (60 mi)
    Check Availability
  • 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

    $48,375

    74,118 mi.
    Est. $911/mo

    Zeigler Buick GMC of Lincolnwood

    4.1
    Lincolnwood, IL (10 mi)
    Check Availability
  • 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

    $58,991

    $700
    12,145 mi.
    Est. $1,111/mo

    Mazda of Fort Myers

    4.6
    Fort Myers, FL (1,106 mi)
    Check Availability
  • 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

    $58,876

    $100
    45,697 mi.
    Est. $1,109/mo

    Northwest Hills Chrysler Jeep Dodge RAM

    4.8
    Torrington, CT (749 mi)
    Check Availability
  • 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

    $53,335

    104,791 mi.
    Est. $1,005/mo

    Smith Auto Family Levelland Ford

    Levelland, TX (984 mi)
    Check Availability

  • 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

    $54,594

    $1.3K
    62,573 mi.
    Est. $1,028/mo

    Ferguson Buick GMC

    4.6
    Colorado Springs, CO (925 mi)
    Check Availability
  • 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

    $55,484

    $1.6K
    85,056 mi.
    Est. $1,045/mo

    Copeland Chevrolet Hyannis

    4.6
    Hyannis, MA (894 mi)
    Check Availability
  • 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

    $48,640

    $1.3K
    90,835 mi.
    Est. $916/mo

    SouthWest Ford

    4.5
    Weatherford, TX (838 mi)
    Check Availability
  • 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

    $45,196

    126,941 mi.
    Est. $851/mo

    Group 1 Ford of South Austin

    4.7
    Austin, TX (984 mi)
    Check Availability
  • 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

    $44,283

    $500
    107,780 mi.
    Est. $834/mo

    Zeigler Ford Lincoln - Elkhart

    4.9
    Elkhart, IN (85 mi)
    Check Availability
  • 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

    $56,998

    66,441 mi.
    Est. $1,074/mo

    O'Meara Volkswagen of Thornton

    3.8
    Denver, CO (917 mi)
    Check Availability

  • 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

    $58,286

    8,911 mi.
    Est. $1,098/mo

    Meyer Motors

    4.6
    Plymouth, WI (130 mi)
    Check Availability
  • 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

    $52,000

    43,517 mi.
    Est. $980/mo

    Bob Jeannotte Buick GMC

    4.6
    Plymouth, MI (216 mi)
    Check Availability
  • 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

    $61,485

    33,812 mi.
    Est. $1,158/mo

    Star GMC of Quakertown

    4.0
    Quakertown, PA (646 mi)
    Check Availability
  • 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

    $59,988

    51,145 mi.
    Est. $1,130/mo

    Mark Wahlberg Buick GMC

    4.1
    Columbus, OH (272 mi)
    Check Availability
  • 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

    $59,945

    $1.9K
    44,188 mi.
    Est. $1,129/mo

    City Auto Sales, LLC Memphis

    4.7
    Memphis, TN (479 mi)
    Check Availability
  • 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

    $55,004

    73,171 mi.
    Est. $1,036/mo

    All American Chrysler Jeep Dodge Fiat of San Angelo

    3.8
    San Angelo, TX (1,012 mi)
    Check Availability

  • 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

    $52,788

    $150
    83,035 mi.
    Est. $994/mo

    Gary Yeomans Ford Frankfort

    4.7
    Frankfort, KY (297 mi)
    Check Availability
  • 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

    $57,479

    $1K
    48,682 mi.
    Est. $1,083/mo

    Sheehy GMC of Fredericksburg

    4.2
    Fredericksburg, VA (596 mi)
    Check Availability
  • 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

    $50,017

    121,758 mi.
    Est. $942/mo

    Crain Buick GMC of Springdale

    4.0
    Springdale, AR (529 mi)
    Check Availability

GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 AT4 29 Great deals
2025 GMC Sierra 2500 AT4 $68,806 66 Great deals
2024 GMC Sierra 2500 AT4 $64,484 110 Great deals
2022 GMC Sierra 2500 AT4 $52,360 35 Great deals
2021 GMC Sierra 2500 AT4 $50,035 20 Great deals
2020 GMC Sierra 2500 AT4 $47,182 29 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 $55,167, with pricing starting at $41,991.

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)

2023 GMC Sierra 2500 trims