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  • White Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 Denali

    $54,805

    75,981 mi.
    Est. $1,030/mo

    Circle Buick GMC

    3.6
    Check Availability
    Highland, IN (26 mi)

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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $52,999

    94,987 mi.
    Est. $996/mo

    Russ Darrow Kia of Wauwatosa

    4.3
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    Wauwatosa, WI (84 mi)

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  • Hunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 Denali

    $62,115

    38,675 mi.
    Est. $1,168/mo

    Conley Buick GMC

    3.1
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    Bradenton, FL (1,037 mi)
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  • Onyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 Denali

    $60,350

    $100
    43,215 mi.
    Est. $1,134/mo

    Rountree Moore Chevrolet

    4.6
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    Lake City, FL (854 mi)
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  • Onyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali Ultimate

    $57,993

    41,324 mi.
    Est. $1,090/mo

    St Charles Chrysler Dodge Jeep RAM

    4.0
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    Saint Charles, IL (34 mi)
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  • Cayenne Red Tintcoat 2021 GMC Sierra 2500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 2500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 2500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 2500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 2500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 2500 Denali

    $61,301

    41,876 mi.
    Est. $1,152/mo

    Dellen Chevrolet GMC

    4.7
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    Greenfield, IN (174 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $67,732

    15,944 mi.
    Est. $1,273/mo

    Toyota of Dallas

    4.3
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    Dallas, TX (801 mi)
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  • Onyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 Denali

    $64,978

    49,555 mi.
    Est. $1,221/mo

    Mac Haik Ford Lincoln

    4.7
    Check Availability
    Georgetown, TX (960 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $62,980

    62,897 mi.
    Est. $1,184/mo

    Lithia Chrysler Jeep of Reno

    4.7
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    Reno, NV (1,683 mi)
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  • White 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 Denali

    $56,383

    72,704 mi.
    Est. $1,060/mo

    Ron Tonkin Kia

    4.6
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    Gladstone, OR (1,752 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 Denali

    $67,478

    21,771 mi.
    Est. $1,268/mo

    Tom Kelley Buick GMC

    4.8
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    Fort Wayne, IN (137 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 Denali

    $65,877

    $500
    31,442 mi.
    Est. $1,238/mo

    Huffines Chevrolet Lewisville

    4.9
    Check Availability
    Lewisville, TX (798 mi)
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  • Summit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 Denali

    $61,439

    $4.5K
    40,046 mi.
    Est. $1,155/mo

    Larry H. Miller Toyota Peoria

    4.6
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    Peoria, AZ (1,454 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $55,990

    88,140 mi.
    Est. $1,052/mo

    Mercedes-Benz of Kansas City South

    4.6
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    Kansas City, MO (422 mi)
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  • Summit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 Denali

    $57,000

    $500
    46,958 mi.
    Est. $1,071/mo

    Corwin Toyota Colorado Springs

    4.5
    Check Availability
    Colorado Springs, CO (921 mi)
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  • Onyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 Denali

    $42,500

    $1.4K
    117,568 mi.
    Est. $799/mo

    Ed Morse Sawgrass Auto Mall

    4.3
    Check Availability
    Sunrise, FL (1,164 mi)
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  • Carbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 Denali

    $57,970

    $100
    46,986 mi.
    Est. $1,090/mo

    ALM Kennesaw

    4.4
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    Kennesaw, GA (569 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $56,000

    80,538 mi.
    Est. $1,053/mo

    Ford of Franklin

    4.8
    Check Availability
    Franklin, TN (415 mi)
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  • Summit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali Ultimate

    $69,396

    $4.1K
    22,201 mi.
    Est. $1,304/mo

    Auto Web Expo

    4.6
    Check Availability
    Plano, TX (796 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $56,481

    88,128 mi.
    Est. $1,062/mo

    Sloane Toyota of Malvern

    4.9
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    Malvern, PA (642 mi)
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  • Hunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 Denali

    $57,644

    $2.1K
    58,453 mi.
    Est. $1,084/mo

    Pinnacle Nissan

    4.6
    Check Availability
    Scottsdale, AZ (1,438 mi)
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  • White Frost Tricoat 2021 GMC Sierra 2500 DenaliWhite Frost Tricoat 2021 GMC Sierra 2500 DenaliWhite Frost Tricoat 2021 GMC Sierra 2500 DenaliWhite Frost Tricoat 2021 GMC Sierra 2500 DenaliWhite Frost Tricoat 2021 GMC Sierra 2500 DenaliWhite Frost Tricoat 2021 GMC Sierra 2500 Denali

    $52,000

    112,398 mi.
    Est. $977/mo

    Grubbs GMC of Wichita Falls

    4.5
    Check Availability
    Wichita Falls, TX (808 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $57,035

    72,578 mi.
    Est. $1,072/mo

    Team Chevrolet Buick GMC of Salisbury

    4.4
    Check Availability
    Salisbury, NC (578 mi)
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  • Hunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 DenaliHunter Metallic 2021 GMC Sierra 2500 Denali

    $49,980

    89,940 mi.
    Est. $939/mo

    Star Motor Sales

    4.8
    Check Availability
    Downers Grove, IL (21 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 $75,375 39 Great deals
2024 GMC Sierra 2500 Denali $70,480 19 Great deals
2023 GMC Sierra 2500 Denali $59,840 55 Great deals
2022 GMC Sierra 2500 Denali $58,379 33 Great deals
2020 GMC Sierra 2500 Denali $52,905 10 Great deals
2019 GMC Sierra 2500 Denali $43,645 8 Great deals
2018 GMC Sierra 2500 Denali $44,021 52 Good deals
2017 GMC Sierra 2500 Denali $42,108 31 Good deals

About the 2021 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 2021 GMC Sierra 2500 Denali
FAQs

How much does the 2021 GMC Sierra 2500 Denali cost?

The 2021 GMC Sierra 2500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Sierra 2500 Denali is $56,443, with pricing starting at $41,995.

What are some similar vehicles and competitors of the 2021 GMC Sierra 2500 Denali?

The 2021 GMC Sierra 2500 Denali compares to and/or competes against the following vehicles:


Is the 2021 GMC Sierra 2500 Denali reliable?

The 2021 GMC Sierra 2500 has an average reliability rating of 4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Sierra 2500 owners.

Ratings (29 reviews)

75% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
4.6
Performance
4.3
Value
3.9
Exterior
4.6
Reliability
4.0
Trims

Denali (2 styles)

Style
4WD Crew Cab 172" Denali 4WD Crew Cab 159" Denali
Inventory price
Starting at $65,700 Starting at $65,500
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