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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $39,500

    152,990 mi.
    Est. $742/mo

    Anchorage Chrysler Dodge Jeep RAM Center

    4.8
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    Anchorage, AK (2,848 mi)
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  • Summit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 Denali

    $28,222

    214,298 mi.
    Est. $530/mo

    Mercedes-Benz of Fort Wayne

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    Fort Wayne, IN (138 mi)

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  • Iridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 Denali

    $32,319

    $300
    174,381 mi.
    Est. $607/mo

    Patriot Chrysler Dodge Jeep Ram of Pryor

    4.3
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    Pryor, OK (567 mi)
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  • Summit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 Denali

    $42,881

    $600
    69,348 mi.
    Est. $806/mo

    Port Orchard Ford

    4.7
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    Port Orchard, WA (1,747 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $23,500

    284,633 mi.
    Est. $442/mo

    Lou Dominion's Deals on Wheels-Benton Harbor

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    Benton Harbor, MI (65 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $25,555

    $3.3K
    198,595 mi.
    Est. $480/mo

    Autohaven LLC

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    Shelby Township, MI (242 mi)
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  • Stone Blue Metallic 2015 GMC Sierra 3500 DenaliStone Blue Metallic 2015 GMC Sierra 3500 DenaliStone Blue Metallic 2015 GMC Sierra 3500 DenaliStone Blue Metallic 2015 GMC Sierra 3500 DenaliStone Blue Metallic 2015 GMC Sierra 3500 DenaliStone Blue Metallic 2015 GMC Sierra 3500 Denali

    $63,094

    68,402 mi.
    Est. $1,186/mo

    Lifted Trucks - McKinney

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    McKinney, TX (776 mi)
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  • Summit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 Denali

    $39,995

    117,144 mi.
    Est. $752/mo

    Globe Auto Sales

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    Louisville, KY (280 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $39,129

    127,821 mi.
    Est. $735/mo

    Crain Hyundai of Fort Smith

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    Fort Smith, AR (578 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $41,995

    87,926 mi.
    Est. $789/mo

    Taylor Chevrolet

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    Rexburg, ID (1,228 mi)
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  • Black 2015 GMC Sierra 3500 DenaliBlack 2015 GMC Sierra 3500 DenaliBlack 2015 GMC Sierra 3500 DenaliBlack 2015 GMC Sierra 3500 DenaliBlack 2015 GMC Sierra 3500 DenaliBlack 2015 GMC Sierra 3500 Denali

    $36,500

    87,711 mi.
    Est. $686/mo

    A Car 4 You LLC- Brick

    3.6
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    Brick Township, NJ (715 mi)
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  • Summit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 Denali

    $25,995

    218,452 mi.
    Est. $489/mo

    Carsandpickups.com of Dallas

    4.6
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    Addison, TX (796 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $24,900

    $600
    188,290 mi.
    Est. $468/mo

    Junction Auto Family - Chrysler Jeep Dodge Ram Buick GMC

    4.9
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    Chardon, OH (334 mi)
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  • Summit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 Denali

    $31,991

    $1K
    170,761 mi.
    Est. $601/mo

    Mercedes-Benz of Beaumont

    4.5
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    Beaumont, TX (894 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $29,366

    $1.5K
    184,651 mi.
    Est. $552/mo

    Hupp Auto Center

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    Tuppers Plains, OH (358 mi)
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  • Bronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 Denali

    $45,738

    66,930 mi.
    Est. $860/mo

    Vandergriff Acura

    3.3
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    Arlington, TX (822 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $39,498

    $1.5K
    64,925 mi.
    Est. $742/mo

    Bobby Rahal Lexus of Lancaster County

    4.9
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    Ephrata, PA (608 mi)
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  • Bronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 DenaliBronze Alloy Metallic 2015 GMC Sierra 3500 Denali

    $49,888

    40,462 mi.
    Est. $938/mo

    Jake Sweeney Buick GMC

    4.7
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    Lebanon, OH (247 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $41,390

    82,955 mi.
    Est. $778/mo

    Ressler Chevrolet

    4.6
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    Bozeman, MT (1,197 mi)
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  • Iridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 Denali

    $29,350

    $800
    171,084 mi.
    Est. $552/mo

    Lupient Buick GMC

    4.0
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    Golden Valley, MN (359 mi)
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  • Onyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 DenaliOnyx Black 2015 GMC Sierra 3500 Denali

    $54,544

    65,630 mi.
    Est. $1,025/mo

    44 Auto Mart - Shepherdsville

    2.3
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    Shepherdsville, KY (288 mi)
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  • Summit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 DenaliSummit White 2015 GMC Sierra 3500 Denali

    $33,995

    124,491 mi.
    Est. $639/mo

    Carz R Us LLC

    2.9
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    Mesa, AZ (1,442 mi)
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  • Iridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 DenaliIridium Metallic 2015 GMC Sierra 3500 Denali

    $51,900

    41,550 mi.
    Est. $976/mo

    Lime Ridge Auto Sales

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    Mount Joy, PA (591 mi)
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  • Quicksilver Metallic 2015 GMC Sierra 3500 DenaliQuicksilver Metallic 2015 GMC Sierra 3500 DenaliQuicksilver Metallic 2015 GMC Sierra 3500 DenaliQuicksilver Metallic 2015 GMC Sierra 3500 DenaliQuicksilver Metallic 2015 GMC Sierra 3500 DenaliQuicksilver Metallic 2015 GMC Sierra 3500 Denali

    $39,995

    119,623 mi.
    Est. $752/mo

    Motor Cars Mitsubishi

    4.3
    Check Availability
    Aurora, IL (32 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2026 GMC Sierra 3500 Denali 14 Good deals
2025 GMC Sierra 3500 Denali $81,779 41 Great deals
2024 GMC Sierra 3500 Denali $75,311 53 Great deals
2023 GMC Sierra 3500 Denali $63,080 7 Great deals
2022 GMC Sierra 3500 Denali $59,510 24 Great deals
2021 GMC Sierra 3500 Denali $56,118 17 Great deals
2020 GMC Sierra 3500 Denali $54,929 30 Great deals
2019 GMC Sierra 3500 Denali $46,245 13 Great deals
2018 GMC Sierra 3500 Denali $45,212 12 Great deals
2017 GMC Sierra 3500 Denali $42,460 18 Good deals

About the 2015 GMC Sierra 3500 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 3500 Denali
FAQs

How much does the 2015 GMC Sierra 3500 Denali cost?

The 2015 GMC Sierra 3500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2015 Sierra 3500 Denali is $38,241, with pricing starting at $23,500.

What are some similar vehicles and competitors of the 2015 GMC Sierra 3500 Denali?

The 2015 GMC Sierra 3500 Denali compares to and/or competes against the following vehicles:


Is the 2015 GMC Sierra 3500 Denali reliable?

The 2015 GMC Sierra 3500 has an average reliability rating of 4.6 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2015 Sierra 3500 owners.

Ratings (13 reviews)

92% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.6
Interior
4.8
Performance
4.7
Value
4.5
Exterior
4.7
Reliability
4.6
Trims

Denali (8 styles)

Style
4WD Crew Cab 167.7" Denali 2WD Crew Cab 167.7" Denali 2WD Crew Cab 167.7" Denali 4WD Crew Cab 167.7" Denali 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 $56,885 Starting at $50,835 Starting at $53,530 Starting at $54,190 Starting at $50,640 Starting at $56,690 Starting at $53,335 Starting at $53,995
Combined MPG
0 0 0 0 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) 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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