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  • Summit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 Denali

    $52,993

    84,118 mi.
    Est. $996/mo

    Minnesota Truck Headquarters of Brainerd

    4.7
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    Brainerd, MN (453 mi)

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  • White Frost 2021 GMC Sierra 3500 DenaliWhite Frost 2021 GMC Sierra 3500 DenaliWhite Frost 2021 GMC Sierra 3500 DenaliWhite Frost 2021 GMC Sierra 3500 DenaliWhite Frost 2021 GMC Sierra 3500 DenaliWhite Frost 2021 GMC Sierra 3500 Denali

    $54,906

    90,388 mi.
    Est. $1,032/mo

    Covert Buick GMC Bee Cave

    4.6
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    Austin, TX (986 mi)

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  • Onyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 Denali

    $56,990

    62,000 mi.
    Est. $1,071/mo

    Bomnin Chevrolet West Kendall

    4.9
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    Miami, FL (1,197 mi)
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  • Summit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 Denali

    $47,990

    $3K
    91,183 mi.
    Est. $902/mo

    AutoNation Chrysler Jeep West

    4.6
    Check Availability
    Golden, CO (928 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 Denali

    $57,992

    $201
    37,853 mi.
    Est. $1,090/mo

    Buerkle Hyundai

    4.3
    Check Availability
    Saint Paul, MN (348 mi)
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  • Summit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 Denali

    $59,595

    $2.4K
    66,155 mi.
    Est. $1,120/mo

    Good Chevrolet

    4.4
    Check Availability
    Renton, WA (1,728 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 Denali

    $64,882

    52,429 mi.
    Est. $1,220/mo

    Weatherford Honda

    4.8
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    Weatherford, TX (844 mi)
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  • Cayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 Denali

    $53,303

    98,012 mi.
    Est. $1,002/mo

    Corwin Ford of Tri-Cities

    4.5
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    Pasco, WA (1,582 mi)

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  • Summit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 Denali

    $61,000

    36,209 mi.
    Est. $1,147/mo

    Minnesota Motor Co

    4.5
    Check Availability
    Fergus Falls, MN (516 mi)
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  • White Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 Denali

    $53,034

    $636
    96,211 mi.
    Est. $997/mo

    Beaverton Car Company

    4.9
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    Beaverton, OR (1,770 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 3500 DenaliQuicksilver Metallic 2021 GMC Sierra 3500 DenaliQuicksilver Metallic 2021 GMC Sierra 3500 DenaliQuicksilver Metallic 2021 GMC Sierra 3500 DenaliQuicksilver Metallic 2021 GMC Sierra 3500 DenaliQuicksilver Metallic 2021 GMC Sierra 3500 Denali

    $38,980

    218,533 mi.
    Est. $733/mo

    Dave Kehl Chevrolet

    4.2
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    Mechanicsburg, OH (247 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 Denali

    $49,995

    118,178 mi.
    Est. $940/mo

    Chevrolet of Bend

    4.4
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    Bend, OR (1,697 mi)
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  • Hunter Metallic 2021 GMC Sierra 3500 DenaliHunter Metallic 2021 GMC Sierra 3500 DenaliHunter Metallic 2021 GMC Sierra 3500 DenaliHunter Metallic 2021 GMC Sierra 3500 DenaliHunter Metallic 2021 GMC Sierra 3500 DenaliHunter Metallic 2021 GMC Sierra 3500 Denali

    $63,986

    46,428 mi.
    Est. $1,203/mo

    Weirs Motor Sales, Inc.

    4.2
    Check Availability
    Arundel, ME (876 mi)
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  • Onyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 Denali

    $58,499

    $500
    68,424 mi.
    Est. $1,100/mo

    Starling Buick GMC Stuart

    4.9
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    Stuart, FL (1,095 mi)

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  • Cayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 DenaliCayenne Red Tintcoat 2021 GMC Sierra 3500 Denali

    $57,495

    73,998 mi.
    Est. $1,081/mo

    Ken Garff VW Gilbert

    4.1
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    Gilbert, AZ (1,442 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 Denali

    $45,660

    150,310 mi.
    Est. $858/mo

    Northwoods Ford

    4.7
    Check Availability
    Minocqua, WI (296 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 Denali

    $55,000

    90,063 mi.
    Est. $1,034/mo

    H. M. Brown Automotive

    5.0
    Check Availability
    Centennial, CO (913 mi)
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  • Onyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 DenaliOnyx Black 2021 GMC Sierra 3500 Denali

    $49,500

    $2.5K
    99,219 mi.
    Est. $930/mo

    Pilson Auto Center of Charleston

    4.1
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    Charleston, IL (168 mi)
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  • White Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 Denali

    $54,000

    $1K
    74,059 mi.
    Est. $1,015/mo

    CAR LUX

    4.2
    Check Availability
    Inglewood, CA (1,752 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 DenaliEbony Twilight Metallic 2021 GMC Sierra 3500 Denali

    $58,692

    58,033 mi.
    Est. $1,103/mo

    Lenz Truck - Minocqua, WI

    4.7
    Check Availability
    Minocqua, WI (292 mi)

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  • White 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 Denali

    $56,000

    $200
    79,356 mi.
    Est. $1,053/mo

    York Ford of Brazil

    4.6
    Check Availability
    Brazil, IN (166 mi)
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  • Summit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 DenaliSummit White 2021 GMC Sierra 3500 Denali

    $56,800

    $100
    67,697 mi.
    Est. $1,068/mo

    Joseph Buick GMC Trucks

    4.5
    Check Availability
    Cincinnati, OH (244 mi)
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  • Blue 2021 GMC Sierra 3500 DenaliBlue 2021 GMC Sierra 3500 DenaliBlue 2021 GMC Sierra 3500 DenaliBlue 2021 GMC Sierra 3500 DenaliBlue 2021 GMC Sierra 3500 DenaliBlue 2021 GMC Sierra 3500 Denali

    $58,998

    59,002 mi.
    Est. $1,109/mo

    CarMax Tampa

    Check Availability
    Tampa, FL (997 mi)
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  • White Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 DenaliWhite Frost Tricoat 2021 GMC Sierra 3500 Denali

    $49,998

    133,021 mi.
    Est. $940/mo

    K-M-P AUTO GROUP, LLC

    Check Availability
    San Antonio, TX (1,046 mi)
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  • White 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 Denali

    $51,999

    86,656 mi.
    Est. $977/mo

    Auto Town USA

    Check Availability
    Caldwell, ID (1,469 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 3500 Denali

    $58,920

    45,792 mi.
    Est. $1,107/mo

    ALM Roswell

    4.4
    Check Availability
    Roswell, GA (571 mi)

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  • White 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 DenaliWhite 2021 GMC Sierra 3500 Denali

    $47,989

    141,771 mi.
    Est. $902/mo

    VIP Auto

    Check Availability
    Orlando, FL (991 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2026 GMC Sierra 3500 Denali 7 Good deals
2025 GMC Sierra 3500 Denali $81,363 14 Great deals
2024 GMC Sierra 3500 Denali $76,130 13 Great deals
2023 GMC Sierra 3500 Denali $62,870 27 Great deals
2022 GMC Sierra 3500 Denali $60,627 28 Great deals
2020 GMC Sierra 3500 Denali $54,378 16 Great deals
2019 GMC Sierra 3500 Denali $47,564 6 Great deals
2018 GMC Sierra 3500 Denali $46,146 30 Good deals
2017 GMC Sierra 3500 Denali $43,234 22 Good deals

About the 2021 GMC Sierra 3500 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 3500 Denali
FAQs

How much does the 2021 GMC Sierra 3500 Denali cost?

The 2021 GMC Sierra 3500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Sierra 3500 Denali is $55,718, with pricing starting at $32,900.

What are some similar vehicles and competitors of the 2021 GMC Sierra 3500 Denali?

The 2021 GMC Sierra 3500 Denali compares to and/or competes against the following vehicles:


Is the 2021 GMC Sierra 3500 Denali reliable?

The 2021 GMC Sierra 3500 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 3500 owners.

Ratings (2 reviews)

100% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.5
Interior
4.5
Performance
5.0
Value
4.0
Exterior
4.5
Reliability
4.0
Trims

Denali (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $66,700 Starting at $66,900
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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