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  • 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

    $35,985

    $355
    106,359 mi.
    Est. $678/mo

    Rudy Luther Toyota

    4.8
    Minneapolis, MN (360 mi)
    Check Availability

  • 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

    $42,982

    $1.6K
    68,806 mi.
    Est. $810/mo

    Reliable Chevrolet

    4.7
    Albuquerque, NM (1,124 mi)
    Check Availability

  • 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

    $30,889

    147,493 mi.
    Est. $582/mo

    Kunes Buick GMC of Stoughton

    4.6
    Stoughton, WI (110 mi)
    Check Availability

  • 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

    $38,619

    $1.5K
    62,103 mi.
    Est. $728/mo

    Romeo Toyota of Glens Falls

    4.7
    Glens Falls, NY (717 mi)
    Check Availability
  • Stone Blue Metallic 2015 GMC Sierra 2500 DenaliStone Blue Metallic 2015 GMC Sierra 2500 DenaliStone Blue Metallic 2015 GMC Sierra 2500 DenaliStone Blue Metallic 2015 GMC Sierra 2500 DenaliStone Blue Metallic 2015 GMC Sierra 2500 DenaliStone Blue Metallic 2015 GMC Sierra 2500 Denali

    $30,093

    $1.8K
    139,177 mi.
    Est. $567/mo

    Suburban Chrysler Dodge Jeep RAM of Troy

    4.4
    Troy, MI (234 mi)
    Check Availability
  • 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

    $35,985

    $355
    106,359 mi.
    Est. $678/mo

    Rudy Luther Toyota

    4.8
    Minneapolis, MN (360 mi)
    Check Availability
  • 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

    $36,889

    $1.6K
    116,775 mi.
    Est. $695/mo

    Murdock Hyundai Murray

    4.5
    Murray, UT (1,258 mi)
    Check Availability
  • 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

    $33,999

    $700
    130,413 mi.
    Est. $641/mo

    Kevin Whitaker Chevrolet

    4.3
    Greenville, SC (565 mi)
    Check Availability
  • 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

    $40,535

    135,300 mi.
    Est. $764/mo

    Ray Skillman Buick GMC South

    4.7
    Indianapolis, IN (174 mi)
    Check Availability

  • 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

    $16,511

    417,181 mi.
    Est. $311/mo

    Olympic Chevrolet Buick GMC

    4.7
    Huron, SD (560 mi)
    Check Availability
  • 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

    $31,964

    $816
    119,284 mi.
    Est. $602/mo

    Heritage Chevrolet

    5.0
    Battle Creek, MI (129 mi)
    Check Availability
  • 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

    $47,999

    $1.8K
    72,818 mi.
    Est. $904/mo

    Driven

    4.6
    Boise, ID (1,454 mi)
    Check Availability
  • 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

    $21,697

    $2.4K
    214,274 mi.
    Est. $409/mo

    Leo Chevrolet

    Indianapolis, IN (154 mi)
    Check Availability
  • 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

    $29,998

    $1K
    145,417 mi.
    Est. $565/mo

    Gwinnett Luxury Motors

    Buford, GA (571 mi)
    Check Availability
  • 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

    $41,081

    79,179 mi.
    Est. $774/mo

    Marketplace Auto

    Puyallup, WA (1,732 mi)
    Check Availability
  • Quicksilver Metallic 2015 GMC Sierra 2500 DenaliQuicksilver Metallic 2015 GMC Sierra 2500 DenaliQuicksilver Metallic 2015 GMC Sierra 2500 DenaliQuicksilver Metallic 2015 GMC Sierra 2500 Denali

    $34,825

    135,842 mi.
    Est. $656/mo

    4M Autoplex

    Abilene, TX (934 mi)
    Check Availability
  • 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

    $37,295

    110,670 mi.
    Est. $703/mo

    Jim Stykemain Chevrolet GMC

    Sturgis, MI (114 mi)
    Check Availability
  • 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

    $37,050

    118,905 mi.
    Est. $698/mo

    Bellingham Truck Center

    Lynden, WA (1,742 mi)
    Check Availability
  • 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

    $39,175

    106,892 mi.
    Est. $738/mo

    Pacific Auto Center - Fontana

    3.5
    Fontana, CA (1,701 mi)
    Check Availability
  • 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

    $33,187

    155,060 mi.
    Est. $625/mo

    Pueblo Toyota

    4.8
    Pueblo, CO (931 mi)
    Check Availability
  • 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

    $31,220

    $4.2K
    135,037 mi.
    Est. $588/mo

    Coast Buick GMC

    4.4
    PORT RICHEY, FL (979 mi)
    Check Availability
  • 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

    $35,499

    $200
    129,159 mi.
    Est. $669/mo

    Hickory Used Car Superstore

    3.2
    Hickory, NC (545 mi)
    Check Availability
  • 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

    $27,399

    $300
    220,724 mi.
    Est. $516/mo

    Hickory Used Car Superstore

    3.2
    Hickory, NC (545 mi)
    Check Availability
  • 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

    $37,774

    $470
    97,031 mi.
    Est. $712/mo

    Wally Edgar Chevrolet

    4.5
    Lake Orion, MI (233 mi)
    Check Availability
  • 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

    $28,386

    $697
    129,197 mi.
    Est. $535/mo

    Mike Castrucci Ford of Alexandria

    4.4
    Alexandria, KY (263 mi)
    Check Availability

GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 Denali 22 Great deals
2025 GMC Sierra 2500 Denali $69,504 88 Great deals
2024 GMC Sierra 2500 Denali $64,645 132 Great deals
2023 GMC Sierra 2500 Denali $55,909 27 Great deals
2022 GMC Sierra 2500 Denali $53,635 68 Great deals
2021 GMC Sierra 2500 Denali $53,360 57 Great deals
2020 GMC Sierra 2500 Denali $50,230 81 Great deals
2019 GMC Sierra 2500 Denali $45,398 13 Great deals
2018 GMC Sierra 2500 Denali $42,818 23 Great deals
2017 GMC Sierra 2500 Denali $40,701 14 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 $32,870, with pricing starting at $16,511.

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)

2015 GMC Sierra 2500 trims