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 Listings
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
  • 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

    $55,082

    46,243 mi.
    Est. $1,038/mo

    Classic Buick GMC

    4.7
    Houston, TX (949 mi)
    Check Availability

  • 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

    $44,884

    131,980 mi.
    Est. $846/mo

    Southern Hyundai Chesapeake

    4.3
    Chesapeake, VA (692 mi)
    Check Availability

  • 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

    $52,209

    70,685 mi.
    Est. $984/mo

    Richardson Chevrolet Standish

    4.9
    Standish, MI (237 mi)
    Check Availability

  • 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

    $45,991

    $804
    116,305 mi.
    Est. $866/mo

    AutoNation Chrysler Dodge Jeep Ram Spring

    4.4
    Spring, TX (925 mi)
    Check Availability
  • 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

    $56,220

    55,435 mi.
    Est. $1,059/mo

    All American Chevrolet Of Midland

    4.5
    Midland, TX (1,051 mi)
    Check Availability
  • 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

    $50,596

    $2K
    93,107 mi.
    Est. $953/mo

    Midway Nissan

    4.4
    Phoenix, AZ (1,447 mi)
    Check Availability
  • 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

    $50,687

    $2.9K
    75,117 mi.
    Est. $955/mo

    Lexus of Winter Park

    4.6
    Winter Park, FL (985 mi)
    Check Availability
  • 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

    $59,995

    $3.9K
    22,834 mi.
    Est. $1,130/mo

    Coggin Buick GMC

    4.5
    Jacksonville, FL (871 mi)
    Check Availability
  • 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

    $47,761

    93,015 mi.
    Est. $900/mo

    Performance Chrysler Jeep Dodge RAM Centerville

    4.5
    Centerville, OH (239 mi)
    Check Availability

  • 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

    $57,778

    44,066 mi.
    Est. $1,088/mo

    Jenkins Ford Lincoln of Crystal River

    4.7
    Crystal River, FL (939 mi)
    Check Availability
  • 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

    $55,082

    46,243 mi.
    Est. $1,038/mo

    Classic Buick GMC

    4.7
    Houston, TX (949 mi)
    Check Availability
  • Dark Sky Metallic 2020 GMC Sierra 2500 Denali UltimateDark Sky Metallic 2020 GMC Sierra 2500 Denali UltimateDark Sky Metallic 2020 GMC Sierra 2500 Denali UltimateDark Sky Metallic 2020 GMC Sierra 2500 Denali UltimateDark Sky Metallic 2020 GMC Sierra 2500 Denali UltimateDark Sky Metallic 2020 GMC Sierra 2500 Denali Ultimate

    $60,478

    34,773 mi.
    Est. $1,139/mo

    Summit Automotive Chrysler Dodge Jeep RAM

    4.7
    Fond Du Lac, WI (137 mi)
    Check Availability
  • 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

    $43,420

    $1.4K
    132,580 mi.
    Est. $818/mo

    Southaven Honda

    4.7
    Southaven, MS (495 mi)
    Check Availability
  • 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

    $49,425

    $2.8K
    86,660 mi.
    Est. $931/mo

    Group 1 Ford of Southwest Houston

    4.7
    Houston, TX (948 mi)
    Check Availability
  • Onyx Black 2020 GMC Sierra 2500 Denali

    $59,287

    39,161 mi.
    Est. $1,117/mo

    Burtness Chevrolet

    4.8
    Orfordville, WI (99 mi)
    Check Availability

  • 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

    $53,187

    $600
    63,289 mi.
    Est. $1,002/mo

    Skyway Honda

    4.8
    Bartlesville, OK (570 mi)
    Check Availability
  • 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

    $47,281

    $1.5K
    95,283 mi.
    Est. $891/mo

    Hoffman Ford Lincoln

    4.4
    East Hartford, CT (771 mi)
    Check Availability
  • 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

    $56,368

    $1.2K
    39,489 mi.
    Est. $1,062/mo

    Schaumburg Toyota

    4.7
    Schaumburg, IL (27 mi)
    Check Availability
  • 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

    $53,744

    $449
    68,694 mi.
    Est. $1,012/mo

    Ken Ganley Ford Norton

    4.8
    Barberton, OH (318 mi)
    Check Availability
  • 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

    $49,690

    $216
    70,755 mi.
    Est. $936/mo

    Larry H. Miller Dodge Ram FIAT Tucson

    4.6
    Tucson, AZ (1,441 mi)
    Check Availability
  • 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

    $42,994

    121,208 mi.
    Est. $810/mo

    Woodhouse Buick GMC of Omaha

    4.4
    Omaha, NE (440 mi)
    Check Availability

  • 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

    $54,299

    $1.9K
    71,300 mi.
    Est. $1,023/mo

    Oklahoma City Volkswagen

    4.1
    Oklahoma City, OK (695 mi)
    Check Availability
  • 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

    $54,770

    58,556 mi.
    Est. $1,032/mo

    Richmond Ford West

    4.7
    Glen Allen, VA (609 mi)
    Check Availability
  • 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

    $45,275

    126,436 mi.
    Est. $853/mo

    Suburban Ford of Troy

    4.9
    Troy, MI (237 mi)
    Check Availability
  • 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

    $43,438

    156,868 mi.
    Est. $818/mo

    Freedom Dodge Chrysler Jeep Ram by Ed Morse

    4.8
    Duncanville, TX (815 mi)
    Check Availability
  • 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 Denali

    $51,367

    96,549 mi.
    Est. $968/mo

    Scott Clark Toyota

    4.5
    Matthews, NC (601 mi)
    Check Availability
  • 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

    $48,941

    80,178 mi.
    Est. $922/mo

    Tradition Chevrolet GMC

    4.9
    Newark, NY (542 mi)
    Check Availability

  • 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

    $45,192

    $453
    154,407 mi.
    Est. $851/mo

    Rainbow Mitsubishi North

    4.9
    Covington, LA (802 mi)
    Check Availability
  • 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

    $48,979

    $3.7K
    84,168 mi.
    Est. $923/mo

    Jim Norton Chevrolet

    4.6
    Broken Arrow, OK (594 mi)
    Check Availability
  • 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

    $49,130

    112,060 mi.
    Est. $926/mo

    Panama City Toyota

    4.7
    Panama City, FL (817 mi)
    Check Availability

GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 Denali 15 Great deals
2025 GMC Sierra 2500 Denali $70,015 76 Great deals
2024 GMC Sierra 2500 Denali $65,394 152 Great deals
2023 GMC Sierra 2500 Denali $56,152 23 Great deals
2022 GMC Sierra 2500 Denali $53,981 51 Great deals
2021 GMC Sierra 2500 Denali $53,821 54 Great deals
2019 GMC Sierra 2500 Denali $45,073 12 Great deals
2018 GMC Sierra 2500 Denali $41,861 16 Great deals
2017 GMC Sierra 2500 Denali $40,453 16 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 $50,754, with pricing starting at $33,000.

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)

2020 GMC Sierra 2500 trims