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  • 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

    $29,083

    $2.3K
    129,197 mi.
    Est. $548/mo

    Mike Castrucci Ford of Alexandria

    4.4
    Alexandria, KY (263 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

    $44,654

    68,805 mi.
    Est. $841/mo

    Reliable Chevrolet

    4.7
    Albuquerque, NM (1,124 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

    $35,000

    $500
    129,159 mi.
    Est. $659/mo

    Hickory Used Car Superstore

    3.2
    Hickory, NC (545 mi)
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  • 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

    $30,693

    $1.2K
    139,177 mi.
    Est. $578/mo

    Suburban Chrysler Dodge Jeep RAM of Troy

    4.4
    Troy, MI (234 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

    $39,175

    $999
    62,103 mi.
    Est. $738/mo

    Romeo Toyota of Glens Falls

    4.7
    Glens Falls, NY (717 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)
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  • 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

    $34,699

    130,413 mi.
    Est. $654/mo

    Kevin Whitaker Chevrolet

    4.3
    Greenville, SC (565 mi)
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  • 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

    $48,999

    $800
    72,818 mi.
    Est. $923/mo

    Driven

    4.6
    Boise, ID (1,454 mi)
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  • 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

    $32,780

    $1.5K
    119,284 mi.
    Est. $618/mo

    Heritage Chevrolet

    5.0
    Battle Creek, MI (129 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

    $24,114

    214,274 mi.
    Est. $454/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

    $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

    $30,998

    145,417 mi.
    Est. $584/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)
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  • 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

    $37,304

    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

    $35,483

    135,037 mi.
    Est. $668/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

    $39,175

    106,892 mi.
    Est. $738/mo

    Pacific Auto Center - Fontana

    3.5
    Fontana, CA (1,701 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
  • 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

    $36,398

    $500
    98,420 mi.
    Est. $686/mo

    Coughlin Ford of Marysville

    Marysville, OH (251 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

    $29,083

    $2.3K
    129,197 mi.
    Est. $548/mo

    Mike Castrucci Ford of Alexandria

    4.4
    Alexandria, KY (263 mi)
    Check Availability
  • 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

    $30,585

    $610
    161,828 mi.
    Est. $576/mo

    CRM Motors Pelham

    Pelham, AL (594 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

    $41,453

    51,488 mi.
    Est. $781/mo

    Northtown Automotive, Inc

    4.6
    Yankton, SD (503 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

    $48,698

    90,718 mi.
    Est. $917/mo

    Furrst Class Cars

    3.5
    Charlotte, NC (593 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

    $31,875

    167,530 mi.
    Est. $601/mo

    Vehicles Nashville LLC

    3.5
    Nashville, TN (400 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

    $39,175

    117,390 mi.
    Est. $738/mo

    Pacific Auto Center - Fontana

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

GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 Denali 17 Great deals
2025 GMC Sierra 2500 Denali $69,872 90 Great deals
2024 GMC Sierra 2500 Denali $64,972 120 Great deals
2023 GMC Sierra 2500 Denali $56,125 21 Great deals
2022 GMC Sierra 2500 Denali $53,734 62 Great deals
2021 GMC Sierra 2500 Denali $53,568 63 Great deals
2020 GMC Sierra 2500 Denali $50,790 89 Great deals
2019 GMC Sierra 2500 Denali $45,102 13 Great deals
2018 GMC Sierra 2500 Denali $41,981 21 Great deals
2017 GMC Sierra 2500 Denali $40,866 16 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 $33,515, 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