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  • Summit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLT

    $56,568

    52,346 mi.
    Est. $1,063/mo

    Kunes Buick GMC of Stoughton

    4.2
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    Stoughton, WI (110 mi)

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  • Onyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLT

    $52,147

    84,490 mi.
    Est. $980/mo

    Ross Downing GMC of Gonzales

    3.9
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    Gonzales, LA (827 mi)

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  • Summit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLT

    $58,998

    14,292 mi.
    Est. $1,109/mo

    Walser Buick GMC Bloomington

    4.2
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    Bloomington, MN (353 mi)
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  • Summit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLT

    $54,282

    77,170 mi.
    Est. $1,020/mo

    CardinaleWay Mazda Peoria

    4.6
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    Peoria, AZ (1,454 mi)
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  • Quicksilver 2023 GMC Sierra 2500 SLTQuicksilver 2023 GMC Sierra 2500 SLTQuicksilver 2023 GMC Sierra 2500 SLTQuicksilver 2023 GMC Sierra 2500 SLTQuicksilver 2023 GMC Sierra 2500 SLTQuicksilver 2023 GMC Sierra 2500 SLT

    $51,792

    69,028 mi.
    Est. $974/mo

    Gorges Volvo Cars

    4.8
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    Omaha, NE (445 mi)
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  • Cayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLT

    $60,995

    15,578 mi.
    Est. $1,146/mo

    Rusty Drewing Chevrolet Buick GMC

    4.8
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    Jefferson City, MO (334 mi)
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  • Quicksilver Metallic 2023 GMC Sierra 2500 SLTQuicksilver Metallic 2023 GMC Sierra 2500 SLTQuicksilver Metallic 2023 GMC Sierra 2500 SLTQuicksilver Metallic 2023 GMC Sierra 2500 SLTQuicksilver Metallic 2023 GMC Sierra 2500 SLTQuicksilver Metallic 2023 GMC Sierra 2500 SLT

    $57,287

    35,066 mi.
    Est. $1,077/mo

    Edwards Chevrolet Buick GMC

    4.7
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    Council Bluffs, IA (427 mi)
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  • Onyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLT

    $51,488

    $4.4K
    51,901 mi.
    Est. $968/mo

    Van Chevrolet

    4.6
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    Scottsdale, AZ (1,437 mi)

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  • White Frost Tricoat 2023 GMC Sierra 2500 SLTWhite Frost Tricoat 2023 GMC Sierra 2500 SLTWhite Frost Tricoat 2023 GMC Sierra 2500 SLTWhite Frost Tricoat 2023 GMC Sierra 2500 SLTWhite Frost Tricoat 2023 GMC Sierra 2500 SLTWhite Frost Tricoat 2023 GMC Sierra 2500 SLT

    $44,792

    $199
    120,131 mi.
    Est. $842/mo

    Alpha GMC of Mansfield

    4.8
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    Ontario, OH (275 mi)
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  • Summit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLT

    $59,999

    47,380 mi.
    Est. $1,128/mo

    Car Castle

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    Fullerton, CA (1,733 mi)
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  • Blue 2023 GMC Sierra 2500 SLTBlue 2023 GMC Sierra 2500 SLTBlue 2023 GMC Sierra 2500 SLTBlue 2023 GMC Sierra 2500 SLTBlue 2023 GMC Sierra 2500 SLTBlue 2023 GMC Sierra 2500 SLT

    $47,803

    88,583 mi.
    Est. $899/mo

    AutoWright Motor company

    Check Availability
    West Boylston, MA (812 mi)
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  • WHITE 2023 GMC Sierra 2500 SLTWHITE 2023 GMC Sierra 2500 SLTWHITE 2023 GMC Sierra 2500 SLTWHITE 2023 GMC Sierra 2500 SLTWHITE 2023 GMC Sierra 2500 SLTWHITE 2023 GMC Sierra 2500 SLT

    $46,998

    83,119 mi.
    Est. $883/mo

    Lonnie Cobb Ford

    Check Availability
    Henderson, TN (448 mi)
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  • Black 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLT

    $57,995

    22,336 mi.
    Est. $1,090/mo

    Suburban Ford of Sterling Heights

    4.6
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    Sterling Heights, MI (241 mi)
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  • Pacific Blue Metallic 2023 GMC Sierra 2500 SLTPacific Blue Metallic 2023 GMC Sierra 2500 SLTPacific Blue Metallic 2023 GMC Sierra 2500 SLTPacific Blue Metallic 2023 GMC Sierra 2500 SLTPacific Blue Metallic 2023 GMC Sierra 2500 SLTPacific Blue Metallic 2023 GMC Sierra 2500 SLT

    $54,995

    43,155 mi.
    Est. $1,034/mo

    Lynch Chevrolet of Kenosha

    4.6
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    Kenosha, WI (50 mi)
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  • Summit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLT

    $57,525

    $160
    26,927 mi.
    Est. $1,081/mo

    Feldman Chevrolet of Novi

    3.5
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    Novi, MI (218 mi)
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  • Onyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLT

    $54,000

    57,820 mi.
    Est. $1,015/mo

    Ourisman Chevrolet Baltimore - Curbside pickup and home delivery available

    3.4
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    Baltimore, MD (599 mi)
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  • Black 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLTBlack 2023 GMC Sierra 2500 SLT

    $55,998

    $1K
    53,902 mi.
    Est. $1,053/mo

    CarMax Phoenix-Gilbert

    4.6
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    Gilbert, AZ (1,442 mi)
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  • Cayenne Red 2023 GMC Sierra 2500 SLTCayenne Red 2023 GMC Sierra 2500 SLTCayenne Red 2023 GMC Sierra 2500 SLTCayenne Red 2023 GMC Sierra 2500 SLTCayenne Red 2023 GMC Sierra 2500 SLTCayenne Red 2023 GMC Sierra 2500 SLT

    $64,464

    22,758 mi.
    Est. $1,212/mo

    Fairway Chevrolet Buick GMC

    3.3
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    Las Vegas, NV (1,520 mi)
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  • Cayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLTCayenne Red Tintcoat 2023 GMC Sierra 2500 SLT

    $57,298

    $160
    23,622 mi.
    Est. $1,077/mo

    Bell Road Mitsubishi

    4.5
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    Phoenix, AZ (1,444 mi)
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  • Cardinal Red 2023 GMC Sierra 2500 SLTCardinal Red 2023 GMC Sierra 2500 SLTCardinal Red 2023 GMC Sierra 2500 SLTCardinal Red 2023 GMC Sierra 2500 SLTCardinal Red 2023 GMC Sierra 2500 SLTCardinal Red 2023 GMC Sierra 2500 SLT

    $51,917

    87,530 mi.
    Est. $976/mo

    Red River Dodge Chrysler Jeep RAM

    3.0
    Check Availability
    Heber Springs, AR (504 mi)
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  • Onyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLTOnyx Black 2023 GMC Sierra 2500 SLT

    $54,990

    $1K
    82,854 mi.
    Est. $1,034/mo

    Certified Used Cars by Pollard

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    Lubbock, TX (968 mi)
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  • Summit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLTSummit White 2023 GMC Sierra 2500 SLT

    $61,398

    $200
    35,766 mi.
    Est. $1,154/mo

    Dave Smith Coeur d'Alene

    3.6
    Check Availability
    Coeur d'Alene, ID (1,475 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 SLT 1 Good deal
2025 GMC Sierra 2500 SLT $68,607 10 Great deals
2024 GMC Sierra 2500 SLT $62,825 75 Good deals
2022 GMC Sierra 2500 SLT $49,313 11 Great deals
2021 GMC Sierra 2500 SLT $48,066 22 Good deals
2020 GMC Sierra 2500 SLT $43,457 6 Great deals
2019 GMC Sierra 2500 SLT $40,306 25 Good deals
2018 GMC Sierra 2500 SLT $38,940 21 Good deals
2017 GMC Sierra 2500 SLT $35,762 21 Good deals

About the 2023 GMC Sierra 2500 SLT

Basics

SLT shown.

Seating
5
Door count
4
Drivetrain
Rear 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 SLT
FAQs

How much does the 2023 GMC Sierra 2500 SLT cost?

The 2023 GMC Sierra 2500 SLT price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2023 Sierra 2500 SLT is $55,714, with pricing starting at $44,792.

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

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


Is the 2023 GMC Sierra 2500 SLT 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

SLT (8 styles)

Style
2WD Double Cab 149" SLT 2WD Double Cab 162" SLT 4WD Double Cab 162" SLT 4WD Double Cab 149" SLT 2WD Crew Cab 159" SLT 2WD Crew Cab 172" SLT 4WD Crew Cab 172" SLT 4WD Crew Cab 159" SLT
Inventory price
Starting at $58,600 Starting at $58,800 Starting at $61,600 Starting at $61,400 Starting at $60,400 Starting at $60,600 Starting at $63,400 Starting at $63,200
Combined MPG
0 0 0 0 0 0 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) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 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