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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

    $53,372

    $1K
    60,342 mi.
    Est. $948/mo

    Laura Buick GMC

    4.5
    Check Availability
    Collinsville, IL (254 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

    $59,898

    21,236 mi.
    Est. $1,064/mo

    Ron Marhofer Buick GMC

    4.3
    Check Availability
    North Canton, OH (330 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

    $47,033

    $4.7K
    130,511 mi.
    Est. $835/mo

    Jerry Seiner North Salt Lake GMC

    2.9
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    North Salt Lake, UT (1,256 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

    $56,792

    23,622 mi.
    Est. $1,008/mo

    Bell Road Mitsubishi

    4.4
    Check Availability
    Phoenix, AZ (1,444 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

    $55,494

    $192
    18,281 mi.
    Est. $985/mo

    Handy Toyota Inc

    4.7
    Check Availability
    St Albans, VT (759 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

    $53,127

    77,170 mi.
    Est. $943/mo

    CardinaleWay Mazda Peoria

    4.6
    Check Availability
    Peoria, AZ (1,454 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

    $55,250

    59,132 mi.
    Est. $981/mo

    Ed Martin Buick GMC of Anderson

    4.9
    Check Availability
    Anderson, IN (162 mi)
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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLT

    $40,548

    181,711 mi.
    Est. $720/mo

    Ralph Sellers Chevrolet

    4.6
    Check Availability
    Baton Rouge, LA (811 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

    $54,998

    53,916 mi.
    Est. $977/mo

    CarMax Scottsdale

    4.1
    Check Availability
    Scottsdale, AZ (1,437 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

    $52,654

    73,096 mi.
    Est. $935/mo

    Tim Short Ford of Morehead

    4.4
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    Morehead, KY (335 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

    $54,106

    94,162 mi.
    Est. $961/mo

    Jeff Perry Buick GMC

    4.8
    Check Availability
    Peru, IL (85 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

    $46,995

    $1K
    120,131 mi.
    Est. $834/mo

    Alpha GMC of Mansfield

    4.5
    Check Availability
    Ontario, OH (275 mi)
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  • White Frost Tri-Coat 2023 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2023 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2023 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2023 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2023 GMC Sierra 2500 SLTWhite Frost Tri-Coat 2023 GMC Sierra 2500 SLT

    $60,499

    76,534 mi.
    Est. $1,074/mo

    Sisbarros Truck Store

    4.7
    Check Availability
    Las Cruces, NM (1,242 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

    $57,702

    44,759 mi.
    Est. $1,025/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    Decatur, TX (809 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

    $48,547

    $2K
    97,591 mi.
    Est. $862/mo

    Max Curnow Chevrolet GMC

    Check Availability
    Chillicothe, MO (341 mi)
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  • Ebony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLTEbony Twilight Metallic 2023 GMC Sierra 2500 SLT

    $53,888

    90,135 mi.
    Est. $957/mo

    Marlar Auto Mart South

    Check Availability
    Oneida, TN (407 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

    $52,995

    61,064 mi.
    Est. $941/mo

    Kapp Auto Sales - Clinton

    Check Availability
    Clinton, UT (1,261 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

    $62,995

    52,538 mi.
    Est. $1,119/mo

    Reeder Chevrolet

    3.4
    Check Availability
    Knoxville, TN (452 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

    $62,999

    51,140 mi.
    Est. $1,119/mo

    Three-Way Chevrolet

    4.5
    Check Availability
    Bakersfield, CA (1,745 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

    $61,485

    31,752 mi.
    Est. $1,092/mo

    Star GMC of Quakertown

    4.3
    Check Availability
    Quakertown, PA (646 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

    $52,195

    $200
    97,439 mi.
    Est. $927/mo

    Hertrich Buick GMC of Salisbury

    4.3
    Check Availability
    Salisbury, MD (681 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

    $56,079

    $480
    58,675 mi.
    Est. $996/mo

    Chevrolet of Fayetteville

    4.8
    Check Availability
    Fayetteville, AR (532 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

    $62,965

    43,125 mi.
    Est. $1,118/mo

    Woody Folsom Chevrolet Buick GMC

    4.4
    Check Availability
    Baxley, GA (756 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

    $64,987

    17,564 mi.
    Est. $1,154/mo

    Gill Chevrolet Kerman

    4.6
    Check Availability
    Kerman, CA (1,759 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

    $52,997

    72,584 mi.
    Est. $941/mo

    Exclusive Auto Wholesale

    4.8
    Check Availability
    Pelham, AL (594 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

    $51,588

    $400
    88,503 mi.
    Est. $916/mo

    Robert Basil Buick GMC Cadillac

    4.3
    Check Availability
    Orchard Park, NY (458 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

    $53,695

    $500
    61,110 mi.
    Est. $953/mo

    Corwin Buick GMC Cadillac Reno

    4.6
    Check Availability
    Reno, NV (1,683 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 SLT 2 Good deals
2025 GMC Sierra 2500 SLT $67,412 11 Great deals
2024 GMC Sierra 2500 SLT $62,304 10 Great deals
2022 GMC Sierra 2500 SLT $46,653 3 Good deals
2021 GMC Sierra 2500 SLT $48,614 6 Good deals
2020 GMC Sierra 2500 SLT $43,530 10 Great deals
2019 GMC Sierra 2500 SLT $41,057 9 Good deals
2018 GMC Sierra 2500 SLT $37,211 21 Good deals
2017 GMC Sierra 2500 SLT $34,596 3 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 $54,883, with pricing starting at $40,548.

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