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  • Black 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 Denali

    $42,419

    155,653 mi.
    Est. $797/mo

    Ogden Motors

    3.5
    Check Availability
    Berwyn, IL (9 mi)

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  • Pacific Blue Metallic 2020 GMC Sierra 2500 DenaliPacific Blue Metallic 2020 GMC Sierra 2500 DenaliPacific Blue Metallic 2020 GMC Sierra 2500 DenaliPacific Blue Metallic 2020 GMC Sierra 2500 DenaliPacific Blue Metallic 2020 GMC Sierra 2500 DenaliPacific Blue Metallic 2020 GMC Sierra 2500 Denali

    $50,211

    104,746 mi.
    Est. $944/mo

    Phillip Hawkins Motor Company

    Check Availability
    Graniteville, SC (657 mi)

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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $47,412

    $4.5K
    79,859 mi.
    Est. $891/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    Gurnee, IL (38 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $48,046

    $300
    70,378 mi.
    Est. $903/mo

    Luther Brookdale Chevrolet

    4.5
    Check Availability
    BROOKLYN CENTER, MN (361 mi)
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  • Dark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 Denali

    $53,182

    84,150 mi.
    Est. $1,000/mo

    HGreg.com Orlando

    4.5
    Check Availability
    Orlando, FL (994 mi)
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  • Summit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 Denali

    $59,993

    46,577 mi.
    Est. $1,128/mo

    Gresham Chrysler Dodge Jeep Ram

    4.6
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    Gresham, OR (1,742 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $59,901

    37,081 mi.
    Est. $1,126/mo

    Shottenkirk Chrysler Dodge Jeep RAM

    4.8
    Check Availability
    Canton, GA (555 mi)
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  • White 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 Denali

    $46,995

    108,000 mi.
    Est. $883/mo

    Discovery Auto Group

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    Grand Junction, CO (1,116 mi)

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  • Dark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 Denali

    $55,690

    $1K
    43,002 mi.
    Est. $1,047/mo

    AutoNation Chrysler Jeep West

    4.6
    Check Availability
    Golden, CO (928 mi)
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  • Quicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 Denali

    $56,993

    59,284 mi.
    Est. $1,071/mo

    Liberty GMC

    4.5
    Check Availability
    Peoria, AZ (1,454 mi)
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  • Red Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 Denali

    $55,000

    $500
    97,217 mi.
    Est. $1,034/mo

    Beaver Toyota Cumming

    4.7
    Check Availability
    Cumming, GA (567 mi)
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  • Carbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 Denali

    $56,178

    $3.3K
    66,876 mi.
    Est. $1,056/mo

    Heritage Buick GMC

    4.6
    Check Availability
    Rockwall, TX (786 mi)
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  • Carbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 Denali

    $49,227

    $800
    96,920 mi.
    Est. $925/mo

    Volkswagen of Salem

    4.2
    Check Availability
    Salem, OR (1,774 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $42,972

    $4.6K
    161,949 mi.
    Est. $808/mo

    Vann York Chevrolet Buick GMC

    3.8
    Check Availability
    High Point, NC (578 mi)

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  • Summit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 Denali

    $60,429

    55,543 mi.
    Est. $1,136/mo

    Fowler Dodge Chrysler Jeep and RAM

    4.2
    Check Availability
    Oklahoma City, OK (696 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $63,598

    55,237 mi.
    Est. $1,195/mo

    Terryville Chevrolet

    4.4
    Check Availability
    Terryville, CT (753 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $58,210

    44,331 mi.
    Est. $1,094/mo

    Rosen Ford Belleville

    4.3
    Check Availability
    Belleville, WI (120 mi)
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  • Quartz 2020 GMC Sierra 2500 DenaliQuartz 2020 GMC Sierra 2500 DenaliQuartz 2020 GMC Sierra 2500 DenaliQuartz 2020 GMC Sierra 2500 DenaliQuartz 2020 GMC Sierra 2500 DenaliQuartz 2020 GMC Sierra 2500 Denali

    $63,882

    $2.1K
    36,297 mi.
    Est. $1,201/mo

    Kendall Chevrolet GMC of Eugene

    4.5
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    Eugene, OR (1,786 mi)
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  • White Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali Ultimate

    $57,151

    105,549 mi.
    Est. $1,074/mo

    Jim Hudson Lexus Augusta

    4.8
    Check Availability
    Martinez, GA (653 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $55,397

    77,817 mi.
    Est. $1,041/mo

    Kelley Buick GMC of Bartow

    4.1
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    Bartow, FL (1,020 mi)

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  • Dark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 Denali

    $46,999

    $291
    69,435 mi.
    Est. $883/mo

    Volkswagen of Streetsboro

    4.6
    Check Availability
    Streetsboro, OH (328 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $54,137

    $639
    62,726 mi.
    Est. $1,018/mo

    Blasius South

    4.2
    Check Availability
    Stratford, CT (752 mi)
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  • White Frost Tri-Coat 2020 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2020 GMC Sierra 2500 Denali

    $58,900

    46,287 mi.
    Est. $1,107/mo

    Key Acura of Gainesville

    4.9
    Check Availability
    Gainesville, FL (894 mi)
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  • White Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 Denali

    $49,999

    72,408 mi.
    Est. $940/mo

    GREENLINE MOTORS LLC

    4.1
    Check Availability
    Bellevue, NE (437 mi)
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  • Red Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 Denali

    $57,077

    43,258 mi.
    Est. $1,073/mo

    Colandrea Buick GMC, Inc.

    4.7
    Check Availability
    Newburgh, NY (701 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $44,784

    $514
    155,879 mi.
    Est. $842/mo

    Burtness Chevrolet

    4.8
    Check Availability
    Orfordville, WI (99 mi)

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  • Onyx Black 2020 GMC Sierra 2500 4WD Crew Cab 159" DenaliOnyx Black 2020 GMC Sierra 2500 4WD Crew Cab 159" DenaliOnyx Black 2020 GMC Sierra 2500 4WD Crew Cab 159" DenaliOnyx Black 2020 GMC Sierra 2500 4WD Crew Cab 159" DenaliOnyx Black 2020 GMC Sierra 2500 4WD Crew Cab 159" DenaliOnyx Black 2020 GMC Sierra 2500 4WD Crew Cab 159" Denali

    $42,990

    84,212 mi.
    Est. $808/mo

    Auto Trademark

    4.7
    Check Availability
    Manassas, VA (578 mi)
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  • Dark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 Denali

    $51,083

    $1.2K
    81,923 mi.
    Est. $960/mo

    Monroe Nissan

    4.5
    Check Availability
    Monroe, NC (605 mi)
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  • Summit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 Denali

    $68,886

    22,792 mi.
    Est. $1,295/mo

    Tim Marburger Honda

    4.9
    Check Availability
    Albemarle, NC (605 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 Denali 5 Great deals
2025 GMC Sierra 2500 Denali $75,552 43 Great deals
2024 GMC Sierra 2500 Denali $70,256 62 Great deals
2023 GMC Sierra 2500 Denali $60,068 40 Great deals
2022 GMC Sierra 2500 Denali $58,058 55 Great deals
2021 GMC Sierra 2500 Denali $56,221 38 Great deals
2019 GMC Sierra 2500 Denali $44,598 20 Great deals
2018 GMC Sierra 2500 Denali $45,760 28 Great deals
2017 GMC Sierra 2500 Denali $43,463 11 Great deals

About the 2020 GMC Sierra 2500 Denali

Basics

Denali 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 2020 GMC Sierra 2500 Denali
FAQs

How much does the 2020 GMC Sierra 2500 Denali cost?

The 2020 GMC Sierra 2500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2020 Sierra 2500 Denali is $53,476, with pricing starting at $4,000.

What are some similar vehicles and competitors of the 2020 GMC Sierra 2500 Denali?

The 2020 GMC Sierra 2500 Denali compares to and/or competes against the following vehicles:


Is the 2020 GMC Sierra 2500 Denali reliable?

The 2020 GMC Sierra 2500 has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2020 Sierra 2500 owners.

Ratings (23 reviews)

91% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.9
Interior
4.9
Performance
4.8
Value
4.5
Exterior
4.9
Reliability
4.7
Trims

Denali (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $64,300 Starting at $64,500
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