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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

    $39,991

    91,347 mi.
    Est. $752/mo

    Fort Myers INFINITI

    4.7
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    Fort Myers, FL (1,111 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

    $25,974

    203,667 mi.
    Est. $488/mo

    Serra of Jackson

    4.7
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    Jackson, TN (434 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

    $29,897

    $300
    104,474 mi.
    Est. $562/mo

    Northwest Chevrolet of Bellingham

    4.6
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    Bellingham, WA (1,743 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

    $16,998

    $1K
    279,828 mi.
    Est. $319/mo

    Ed Martin Buick GMC

    4.9
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    Carmel, IN (154 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

    179,803 mi.
    Est. $564/mo

    South Pointe Chrysler Dodge Jeep Ram

    4.7
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    Tulsa, OK (600 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

    $42,449

    87,315 mi.
    Est. $798/mo

    Fountain City Motors

    4.4
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    Harrisonville, MO (419 mi)
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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

    $36,745

    139,848 mi.
    Est. $691/mo

    D-Patrick Honda

    4.7
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    Evansville, IN (270 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

    $38,235

    96,086 mi.
    Est. $719/mo

    AutoNation Chevrolet North Corpus Christi

    4.5
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    Corpus Christi, TX (1,123 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

    $42,450

    $545
    96,774 mi.
    Est. $798/mo

    Simpson Buick GMC of Buena Park

    4.9
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    Buena Park, CA (1,736 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

    $18,091

    417,181 mi.
    Est. $340/mo

    Olympic Chevrolet Buick GMC

    4.7
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    Huron, SD (560 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

    $4K
    96,449 mi.
    Est. $846/mo

    Mathews Chrysler Jeep Dodge Ram

    5.0
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    Marion, OH (253 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

    $24,995

    266,744 mi.
    Est. $470/mo

    Carsandpickups.com of Austin

    4.5
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    Kyle, TX (1,000 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

    $33,995

    130,338 mi.
    Est. $639/mo

    Car Loft

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    Fredericksburg, VA (592 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

    $36,887

    107,741 mi.
    Est. $693/mo

    John Miles Chevrolet Buick GMC

    4.2
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    Conyers, GA (602 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

    $33,396

    87,087 mi.
    Est. $628/mo

    A+ Autobrokers

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    Mt Vernon, OH (287 mi)
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  • 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

    $25,275

    206,800 mi.
    Est. $475/mo

    Revvelation Motors

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    Lone Jack, MO (403 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

    $40,950

    92,422 mi.
    Est. $770/mo

    Leshen Auto Sales

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    Des Moines, IA (309 mi)
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  • 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

    $35,485

    $500
    129,010 mi.
    Est. $667/mo

    Precise Motors LLC

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    South Bloomfield, OH (286 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

    $33,990

    139,640 mi.
    Est. $639/mo

    Auto Capital Investments

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    Denton, TX (794 mi)
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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

    $42,499

    $500
    81,595 mi.
    Est. $799/mo

    Capitol GMC

    4.6
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    San Jose, CA (1,839 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

    $27,240

    159,909 mi.
    Est. $512/mo

    Lithia Chrysler Jeep Dodge Ram FIAT of Eugene

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    Eugene, OR (1,785 mi)
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  • 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

    $28,999

    182,063 mi.
    Est. $545/mo

    Tri-City Motors Inc.

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    Somerset, KY (370 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

    $31,697

    198,525 mi.
    Est. $596/mo

    Santa Fe Mazda

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    Santa Fe, NM (1,076 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 Denali

    $21,900

    376,736 mi.
    Est. $412/mo

    Lee Motor Company

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    Monroeville, AL (716 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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  • 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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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 Denali 5 Great deals
2025 GMC Sierra 2500 Denali $75,346 35 Great deals
2024 GMC Sierra 2500 Denali $70,125 76 Great deals
2023 GMC Sierra 2500 Denali $59,949 41 Great deals
2022 GMC Sierra 2500 Denali $57,578 53 Great deals
2021 GMC Sierra 2500 Denali $57,225 35 Great deals
2020 GMC Sierra 2500 Denali $53,745 61 Great deals
2019 GMC Sierra 2500 Denali $44,586 24 Great deals
2018 GMC Sierra 2500 Denali $45,023 28 Great deals
2017 GMC Sierra 2500 Denali $44,727 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 $32,533, with pricing starting at $16,998.

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