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
  • Iridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 Denali

    $36,887

    107,741 mi.
    Est. $655/mo

    John Miles Chevrolet Buick GMC

    4.2
    Conyers, GA (602 mi)
    Check Availability

    Quick view
  • Bronze Alloy Metallic 2015 GMC Sierra 2500 DenaliBronze Alloy Metallic 2015 GMC Sierra 2500 DenaliBronze Alloy Metallic 2015 GMC Sierra 2500 DenaliBronze Alloy Metallic 2015 GMC Sierra 2500 DenaliBronze Alloy Metallic 2015 GMC Sierra 2500 DenaliBronze Alloy Metallic 2015 GMC Sierra 2500 Denali

    $42,084

    $500
    81,595 mi.
    Est. $747/mo

    Capitol GMC

    4.7
    San Jose, CA (1,839 mi)
    Check Availability

    Quick view
  • Quicksilver Metallic 2015 GMC Sierra 2500 DenaliQuicksilver Metallic 2015 GMC Sierra 2500 DenaliQuicksilver Metallic 2015 GMC Sierra 2500 DenaliQuicksilver Metallic 2015 GMC Sierra 2500 DenaliQuicksilver Metallic 2015 GMC Sierra 2500 DenaliQuicksilver Metallic 2015 GMC Sierra 2500 Denali

    $28,897

    $300
    104,474 mi.
    Est. $513/mo

    Northwest Chevrolet of Bellingham

    4.6
    Bellingham, WA (1,743 mi)
    Check Availability
    Quick view
  • Iridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 Denali

    $38,345

    89,462 mi.
    Est. $681/mo

    Luther Family Buick GMC

    4.5
    Fargo, ND (569 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $37,800

    102,549 mi.
    Est. $671/mo

    Rockland Chrysler Dodge Jeep Ram

    4.5
    Nanuet, NY (708 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $45,574

    $648
    65,177 mi.
    Est. $809/mo

    Stan McNabb Chevrolet Buick GMC Cadillac

    4.4
    Tullahoma, TN (455 mi)
    Check Availability
    Quick view
  • Sonoma Red Metallic 2015 GMC Sierra 2500 DenaliSonoma Red Metallic 2015 GMC Sierra 2500 DenaliSonoma Red Metallic 2015 GMC Sierra 2500 DenaliSonoma Red Metallic 2015 GMC Sierra 2500 DenaliSonoma Red Metallic 2015 GMC Sierra 2500 DenaliSonoma Red Metallic 2015 GMC Sierra 2500 Denali

    $32,499

    109,179 mi.
    Est. $577/mo

    Wakefield Automotive GMC

    5.0
    Spartanburg, SC (570 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $30,375

    97,988 mi.
    Est. $539/mo

    Hiller Ford

    4.2
    Franklin, WI (76 mi)
    Check Availability

    Quick view
  • Onyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 Denali

    $42,449

    87,662 mi.
    Est. $754/mo

    Fountain City Motors

    4.4
    Harrisonville, MO (419 mi)
    Check Availability
    Quick view
  • Iridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 Denali

    $17,991

    417,181 mi.
    Est. $319/mo

    Olympic Chevrolet Buick GMC

    4.7
    Huron, SD (560 mi)
    Check Availability
    Quick view
  • Onyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 Denali

    $42,602

    $1.3K
    96,449 mi.
    Est. $756/mo

    Mathews Chrysler Jeep Dodge Ram

    5.0
    Marion, OH (253 mi)
    Check Availability
    Quick view
  • Onyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 Denali

    $29,484

    165,336 mi.
    Est. $524/mo

    Duncan Ford Chrysler Dodge Jeep RAM

    4.1
    Rocky Mount, VA (530 mi)
    Check Availability
    Quick view
  • Iridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 Denali

    $29,321

    188,175 mi.
    Est. $521/mo

    Berge Volkswagen

    4.7
    Gilbert, AZ (1,443 mi)
    Check Availability
    Quick view
  • Onyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 Denali

    $23,995

    154,597 mi.
    Est. $426/mo

    Tom's Auto Sales North

    Des Moines, IA (309 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $33,396

    87,087 mi.
    Est. $593/mo

    A+ Autobrokers

    Mt Vernon, OH (287 mi)
    Check Availability
    Quick view
  • Iridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 DenaliIridium Metallic 2015 GMC Sierra 2500 Denali

    $40,950

    92,422 mi.
    Est. $727/mo

    Leshen Auto Sales

    Des Moines, IA (309 mi)
    Check Availability
    Quick view
  • Black 2015 GMC Sierra 2500 DenaliBlack 2015 GMC Sierra 2500 DenaliBlack 2015 GMC Sierra 2500 DenaliBlack 2015 GMC Sierra 2500 DenaliBlack 2015 GMC Sierra 2500 DenaliBlack 2015 GMC Sierra 2500 Denali

    $33,985

    $1K
    129,010 mi.
    Est. $603/mo

    Precise Motors LLC

    South Bloomfield, OH (286 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $21,900

    376,736 mi.
    Est. $389/mo

    Lee Motor Company

    Monroeville, AL (716 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $30,995

    181,007 mi.
    Est. $550/mo

    Parker's Used Cars

    Blenheim, SC (673 mi)
    Check Availability
    Quick view
  • Onyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 Denali

    $47,000

    74,000 mi.
    Est. $835/mo

    Terry Cullen Southlake Chevrolet

    3.7
    Jonesboro, GA (603 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $35,389

    83,579 mi.
    Est. $628/mo

    Corwin Buick GMC Cadillac Reno

    4.6
    Reno, NV (1,683 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $22,984

    $390
    286,711 mi.
    Est. $408/mo

    Madison Ford

    4.7
    Madison, VA (551 mi)
    Check Availability
    Quick view
  • Onyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 Denali

    $27,626

    134,517 mi.
    Est. $491/mo

    Lunghamer Buick-GMC Inc.

    4.5
    Waterford Township, MI (224 mi)
    Check Availability
    Quick view
  • Onyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 DenaliOnyx Black 2015 GMC Sierra 2500 Denali

    $37,002

    111,325 mi.
    Est. $657/mo

    Ewing Buick GMC

    4.5
    Plano, TX (790 mi)
    Check Availability
    Quick view
  • Summit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 DenaliSummit White 2015 GMC Sierra 2500 Denali

    $17,240

    279,828 mi.
    Est. $306/mo

    Ed Martin Buick GMC

    4.9
    Carmel, IN (154 mi)
    Check Availability
    Quick view

GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 Denali 7 Great deals
2025 GMC Sierra 2500 Denali $74,837 23 Great deals
2024 GMC Sierra 2500 Denali $70,010 47 Great deals
2023 GMC Sierra 2500 Denali $59,875 18 Great deals
2022 GMC Sierra 2500 Denali $58,147 27 Great deals
2021 GMC Sierra 2500 Denali $57,135 38 Great deals
2020 GMC Sierra 2500 Denali $53,292 36 Great deals
2019 GMC Sierra 2500 Denali $44,118 17 Great deals
2018 GMC Sierra 2500 Denali $44,812 7 Great deals
2017 GMC Sierra 2500 Denali $44,375 8 Great deals

About the 2015 GMC Sierra 2500 Denali

Basics

Denali shown.

Seating
5
Door count
4
Drivetrain
Rear Wheel Drive
Combined MPG
0
Transmission
6-Speed A/T
Engine
360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability)
Side view of the 2015 GMC Sierra 2500 Denali
FAQs

How much does the 2015 GMC Sierra 2500 Denali cost?

The 2015 GMC Sierra 2500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2015 Sierra 2500 Denali is $33,777, with pricing starting at $17,240.

What are some similar vehicles and competitors of the 2015 GMC Sierra 2500 Denali?

The 2015 GMC Sierra 2500 Denali compares to and/or competes against the following vehicles:


Is the 2015 GMC Sierra 2500 Denali reliable?

The 2015 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 2015 Sierra 2500 owners.

Ratings (40 reviews)

92% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.8
Interior
4.8
Performance
4.8
Value
4.6
Exterior
4.9
Reliability
4.7
Trims

Denali (4 styles)

Style
2WD Crew Cab 153.7" Denali 4WD Crew Cab 153.7" Denali 2WD Crew Cab 153.7" Denali 4WD Crew Cab 153.7" Denali
Inventory price
Starting at $53,350 Starting at $53,740 Starting at $50,540 Starting at $56,550
Combined MPG
0 0 0 0
Engine
360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability)
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