Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • 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)

    Quick view
  • Pacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 Denali

    $44,990

    $905
    140,925 mi.
    Est. $846/mo

    AutoNation USA Austin

    4.1
    Check Availability
    Austin, TX (967 mi)

    Quick view
  • 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

    $56,987

    $2.5K
    64,014 mi.
    Est. $1,071/mo

    Dan Cummins Chevrolet Buick of Paris

    4.7
    Check Availability
    Paris, KY (311 mi)
    Quick view
  • 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

    $54,896

    29,989 mi.
    Est. $1,032/mo

    Bell Road Mitsubishi

    4.5
    Check Availability
    Phoenix, AZ (1,444 mi)
    Quick view
  • 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

    $52,628

    $795
    80,138 mi.
    Est. $989/mo

    Corwin Ford of Tri-Cities

    4.5
    Check Availability
    Pasco, WA (1,582 mi)
    Quick view
  • 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

    $50,687

    $1.1K
    72,083 mi.
    Est. $953/mo

    Irwin Automotive Group

    4.7
    Check Availability
    Laconia, NH (828 mi)
    Quick view
  • 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

    $56,900

    50,775 mi.
    Est. $1,070/mo

    Walser Buick GMC Roseville

    4.2
    Check Availability
    Roseville, MN (354 mi)
    Quick view
  • 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

    $59,997

    47,868 mi.
    Est. $1,128/mo

    Central Buick GMC

    Check Availability
    Jonesboro, AR (451 mi)

    Quick view
  • 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

    $62,984

    36,095 mi.
    Est. $1,184/mo

    Findlay Honda Henderson

    4.7
    Check Availability
    Henderson, NV (1,519 mi)
    Quick view
  • 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

    $59,495

    $500
    78,717 mi.
    Est. $1,118/mo

    Bob Tomes Ford

    4.8
    Check Availability
    McKinney, TX (777 mi)
    Quick view
  • 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

    $65,991

    $1K
    52,926 mi.
    Est. $1,240/mo

    Palmer Dodge Chrysler Jeep RAM

    4.6
    Check Availability
    Roswell, GA (570 mi)
    Quick view
  • 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

    $48,990

    $1K
    112,301 mi.
    Est. $921/mo

    West Metro Buick GMC

    5.0
    Check Availability
    Monticello, MN (389 mi)
    Quick view
  • 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

    $53,995

    $1K
    56,754 mi.
    Est. $1,015/mo

    Pellegrino Buick GMC

    4.7
    Check Availability
    Williamstown, NJ (678 mi)
    Quick view
  • 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

    $51,795

    97,983 mi.
    Est. $974/mo

    Fazza Motors

    Check Availability
    Marlborough, MA (825 mi)

    Quick view
  • 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
    Check Availability
    Saint Charles, IL (34 mi)
    Quick view
  • 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

    $66,921

    21,771 mi.
    Est. $1,258/mo

    Tom Kelley Buick GMC

    4.8
    Check Availability
    Fort Wayne, IN (137 mi)
    Quick view
  • 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
    Check Availability
    Reno, NV (1,683 mi)
    Quick view
  • 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

    4.5
    Check Availability
    Kennesaw, GA (569 mi)
    Quick view
  • 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

    $73,498

    22,201 mi.
    Est. $1,382/mo

    Auto Web Expo

    4.6
    Check Availability
    Plano, TX (796 mi)
    Quick view
  • 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

    $54,076

    73,259 mi.
    Est. $1,016/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (986 mi)

    Quick view
  • 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

    $47,500

    $500
    116,950 mi.
    Est. $893/mo

    Larry H. Miller Dodge RAM Peoria

    4.7
    Check Availability
    Peoria, AZ (1,454 mi)
    Quick view
  • 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)
    Quick view
  • 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

    $63,999

    $4K
    19,376 mi.
    Est. $1,203/mo

    Gates GMC Nissan

    4.9
    Check Availability
    North Windham, CT (795 mi)
    Quick view
  • 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)
    Quick view
  • 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

    $62,409

    $3.5K
    40,046 mi.
    Est. $1,173/mo

    Larry H. Miller Toyota Peoria

    4.6
    Check Availability
    Peoria, AZ (1,454 mi)
    Quick view
  • 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

    4.7
    Check Availability
    Kansas City, MO (422 mi)

    Quick view
  • 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)
    Quick view

GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 Denali 11 Good deals
2025 GMC Sierra 2500 Denali $75,374 34 Great deals
2024 GMC Sierra 2500 Denali $70,449 13 Great deals
2023 GMC Sierra 2500 Denali $60,158 58 Great deals
2022 GMC Sierra 2500 Denali $58,139 31 Great deals
2020 GMC Sierra 2500 Denali $52,840 11 Great deals
2019 GMC Sierra 2500 Denali $44,598 10 Great deals
2018 GMC Sierra 2500 Denali $43,743 53 Good deals
2017 GMC Sierra 2500 Denali $42,366 27 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 $56,343, with pricing starting at $42,000.

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)
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed

GMC Sierra 2500 trims