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  • 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

    $40,224

    96,086 mi.
    Est. $756/mo

    AutoNation Chevrolet North Corpus Christi

    4.5
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    Corpus Christi, TX (1,123 mi)

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  • 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

    $39,695

    $300
    89,558 mi.
    Est. $746/mo

    Starling Buick GMC Stuart

    4.9
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    Stuart, FL (1,095 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

    $45,000

    75,790 mi.
    Est. $846/mo

    Shaheen Chevrolet

    4.5
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    Lansing, MI (167 mi)
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  • 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

    $28,886

    $114
    102,569 mi.
    Est. $543/mo

    Irwin Automotive Group

    4.7
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    Laconia, NH (828 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

    $41,799

    58,950 mi.
    Est. $786/mo

    Suburban Honda

    4.6
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    Farmington Hills, MI (220 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

    $33,894

    95,793 mi.
    Est. $637/mo

    Derrow Shirkey Ford

    4.8
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    Montpelier, OH (159 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

    $38,621

    107,741 mi.
    Est. $726/mo

    John Miles Chevrolet Buick GMC

    4.3
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    Conyers, GA (602 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

    $47,450

    $150
    68,150 mi.
    Est. $892/mo

    Tonkin Chevrolet GMC

    5.0
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    The Dalles, OR (1,683 mi)
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  • 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

    $31,283

    $565
    161,509 mi.
    Est. $588/mo

    Performance Chrysler Jeep Dodge RAM

    4.6
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    Columbus, OH (272 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 Denali

    $37,990

    99,701 mi.
    Est. $714/mo

    Land Rover New Orleans

    4.8
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    Metairie, LA (833 mi)
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  • White 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 Denali

    $45,995

    82,842 mi.
    Est. $865/mo

    Skyline Auto Group LLC

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    Waynesboro, VA (531 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

    $31,000

    $1K
    152,814 mi.
    Est. $583/mo

    Eide Chevrolet

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    Mandan, ND (737 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

    $30,950

    165,807 mi.
    Est. $582/mo

    Leshen Auto Sales

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    Des Moines, IA (309 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

    $37,998

    100,069 mi.
    Est. $714/mo

    Real Steal Auto Sales Inc.

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    Gastonia, NC (575 mi)
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  • Gray 2015 GMC Sierra 2500 DenaliGray 2015 GMC Sierra 2500 DenaliGray 2015 GMC Sierra 2500 DenaliGray 2015 GMC Sierra 2500 DenaliGray 2015 GMC Sierra 2500 DenaliGray 2015 GMC Sierra 2500 Denali

    $31,900

    178,997 mi.
    Est. $600/mo

    Auto Town USA

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    Caldwell, ID (1,469 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

    $29,998

    198,533 mi.
    Est. $564/mo

    INFINITI of Albuquerque

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    Albuquerque, NM (1,124 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

    $29,999

    188,638 mi.
    Est. $564/mo

    Faine's Auto Sales

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    Springfield, IL (178 mi)
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  • 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

    $32,998

    87,087 mi.
    Est. $620/mo

    A+ Autobrokers

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    Mt Vernon, OH (287 mi)
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  • 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. $583/mo

    Parker's Used Cars

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    Blenheim, SC (673 mi)
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  • White 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 DenaliWhite 2015 GMC Sierra 2500 Denali

    $28,750

    245,159 mi.
    Est. $540/mo

    Private seller: Jerry

    Contact Seller
    Sedgwick, KS (588 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

    $39,900

    90,679 mi.
    Est. $750/mo

    Rides Auto Sales

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    Bismarck, ND (734 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

    $47,000

    74,000 mi.
    Est. $883/mo

    Terry Cullen Southlake Chevrolet

    3.7
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    Jonesboro, GA (603 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

    $26,900

    165,238 mi.
    Est. $506/mo

    Marsh Auto Sales LLC

    4.7
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    Brandon Twp, MI (224 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 Denali 6 Great deals
2025 GMC Sierra 2500 Denali $76,000 28 Great deals
2024 GMC Sierra 2500 Denali $70,454 14 Great deals
2023 GMC Sierra 2500 Denali $59,954 50 Great deals
2022 GMC Sierra 2500 Denali $58,339 34 Great deals
2021 GMC Sierra 2500 Denali $56,654 12 Great deals
2020 GMC Sierra 2500 Denali $52,714 10 Great deals
2019 GMC Sierra 2500 Denali $43,718 12 Great deals
2018 GMC Sierra 2500 Denali $44,877 51 Good deals
2017 GMC Sierra 2500 Denali $41,353 27 Good 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 $35,429, with pricing starting at $21,680.

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)
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GMC Sierra 2500 trims