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  • Gray 2015 GMC Sierra 1500 DenaliGray 2015 GMC Sierra 1500 DenaliGray 2015 GMC Sierra 1500 DenaliGray 2015 GMC Sierra 1500 DenaliGray 2015 GMC Sierra 1500 DenaliGray 2015 GMC Sierra 1500 Denali

    $22,599

    $1.3K
    162,500 mi.
    Est. $425/mo

    Collierville Auto Center

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    Collierville, TN (486 mi)

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  • White Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 Denali

    $20,690

    $1.3K
    157,467 mi.
    Est. $389/mo

    Southern Buick GMC Greenbrier

    4.0
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    Chesapeake, VA (703 mi)

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  • White Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 Denali

    $24,643

    83,306 mi.
    Est. $463/mo

    CARite of Cocoa

    3.2
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    Cocoa, FL (1,012 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $31,999

    26,979 mi.
    Est. $601/mo

    i.g. Burton Buick GMC of Elkton

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    Elkton, MD (640 mi)
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  • White Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 DenaliWhite Diamond Clearcoat 2015 GMC Sierra 1500 Denali

    $12,600

    231,406 mi.
    Est. $237/mo

    Hamden Mazda

    4.2
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    Hamden, CT (761 mi)
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  • White Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 Denali

    $22,995

    $1K
    101,998 mi.
    Est. $432/mo

    Motor Cars Mitsubishi

    4.3
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    Aurora, IL (32 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $28,987

    130,806 mi.
    Est. $545/mo

    Maxx Autos Plus

    4.9
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    Puyallup, WA (1,733 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $15,875

    186,728 mi.
    Est. $298/mo

    Murdock Chrysler Dodge Jeep Ram Bountiful

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    West Bountiful, UT (1,255 mi)

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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $23,899

    146,267 mi.
    Est. $449/mo

    Victory Nissan of Dickson

    4.7
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    Dickson, TN (406 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $25,133

    118,642 mi.
    Est. $472/mo

    Group 1 Volkswagen Hub City

    4.6
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    Lubbock, TX (967 mi)
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  • Stone Blue Metallic 2015 GMC Sierra 1500 DenaliStone Blue Metallic 2015 GMC Sierra 1500 DenaliStone Blue Metallic 2015 GMC Sierra 1500 DenaliStone Blue Metallic 2015 GMC Sierra 1500 DenaliStone Blue Metallic 2015 GMC Sierra 1500 DenaliStone Blue Metallic 2015 GMC Sierra 1500 Denali

    $19,995

    $2K
    160,678 mi.
    Est. $376/mo

    Simms Auto Sales

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    Shepherdsville, KY (288 mi)
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  • Onyx Black Gba 2015 GMC Sierra 1500 DenaliOnyx Black Gba 2015 GMC Sierra 1500 DenaliOnyx Black Gba 2015 GMC Sierra 1500 DenaliOnyx Black Gba 2015 GMC Sierra 1500 DenaliOnyx Black Gba 2015 GMC Sierra 1500 DenaliOnyx Black Gba 2015 GMC Sierra 1500 Denali

    $23,995

    108,480 mi.
    Est. $451/mo

    East Providence Auto Sales

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    East Providence, RI (837 mi)
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  • White Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 Denali

    $17,500

    162,965 mi.
    Est. $329/mo

    Leshen Auto Sales

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    Des Moines, IA (309 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $22,152

    $1.3K
    140,582 mi.
    Est. $416/mo

    Gurnee Volkswagen

    3.1
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    Gurnee, IL (39 mi)

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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $15,495

    $3.3K
    175,836 mi.
    Est. $291/mo

    Autohaven LLC

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    Shelby Township, MI (242 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $29,995

    81,370 mi.
    Est. $564/mo

    Kendall Ford of Bend

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    Bend, OR (1,697 mi)
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  • White Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 DenaliWhite Diamond Tricoat 2015 GMC Sierra 1500 Denali

    $16,985

    205,727 mi.
    Est. $319/mo

    Spotless Auto LLC

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    San Antonio, TX (1,050 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $29,950

    64,580 mi.
    Est. $563/mo

    Covington Car Company

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    Covington, VA (495 mi)
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  • Black 2015 GMC Sierra 1500 DenaliBlack 2015 GMC Sierra 1500 DenaliBlack 2015 GMC Sierra 1500 DenaliBlack 2015 GMC Sierra 1500 DenaliBlack 2015 GMC Sierra 1500 DenaliBlack 2015 GMC Sierra 1500 Denali

    $17,995

    236,637 mi.
    Est. $338/mo

    Drive And Go Inc.

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    Hickory, NC (543 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $22,892

    114,687 mi.
    Est. $430/mo

    Spitzer Toyota

    4.7
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    Monroeville, PA (423 mi)

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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $26,367

    96,357 mi.
    Est. $496/mo

    Neil Huffman Acura

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    Louisville, KY (273 mi)
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  • Onyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 DenaliOnyx Black 2015 GMC Sierra 1500 Denali

    $26,799

    101,547 mi.
    Est. $504/mo

    North Bend Chevrolet

    3.9
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    North Bend, WA (1,707 mi)
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  • Iridium Metallic 2015 GMC Sierra 1500 DenaliIridium Metallic 2015 GMC Sierra 1500 DenaliIridium Metallic 2015 GMC Sierra 1500 DenaliIridium Metallic 2015 GMC Sierra 1500 DenaliIridium Metallic 2015 GMC Sierra 1500 DenaliIridium Metallic 2015 GMC Sierra 1500 Denali

    $27,867

    86,152 mi.
    Est. $524/mo

    Booth Motors

    3.7
    Check Availability
    Longmont, CO (913 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 Denali 25 Great deals
2025 GMC Sierra 1500 Denali $62,734 60 Great deals
2024 GMC Sierra 1500 Denali $57,445 51 Great deals
2023 GMC Sierra 1500 Denali $51,596 38 Great deals
2022 GMC Sierra 1500 Denali $46,158 40 Great deals
2021 GMC Sierra 1500 Denali $40,383 78 Great deals
2020 GMC Sierra 1500 Denali $37,451 43 Great deals
2019 GMC Sierra 1500 Denali $35,675 27 Great deals
2018 GMC Sierra 1500 Denali $31,349 21 Great deals
2017 GMC Sierra 1500 Denali $26,865 26 Great deals

About the 2015 GMC Sierra 1500 Denali

Basics

Denali shown.

Seating
5
Door count
4
Drivetrain
Rear Wheel Drive
Combined MPG
19
Transmission
6-Speed A/T
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2015 GMC Sierra 1500 Denali
FAQs

How much does the 2015 GMC Sierra 1500 Denali cost?

The 2015 GMC Sierra 1500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2015 Sierra 1500 Denali is $23,209, with pricing starting at $11,850.

What is the MPG of the 2015 GMC Sierra 1500 Denali?

The 2015 GMC Sierra 1500 Denali offers up to 16 MPG in city driving and 23 MPG on the highway for a combined rating of 19 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2015 GMC Sierra 1500 Denali?

The 2015 GMC Sierra 1500 Denali compares to and/or competes against the following vehicles:


Is the 2015 GMC Sierra 1500 Denali reliable?

The 2015 GMC Sierra 1500 has an average reliability rating of 4.4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2015 Sierra 1500 owners.

Ratings (140 reviews)

87% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.6
Interior
4.7
Performance
4.5
Value
4.4
Exterior
4.7
Reliability
4.4
Trims

Denali (4 styles)

Style
2WD Crew Cab 143.5" Denali 4WD Crew Cab 143.5" Denali 4WD Crew Cab 153.0" Denali 2WD Crew Cab 153.0" Denali
Inventory price
Starting at $50,015 Starting at $53,165 Starting at $53,465 Starting at $50,315
Combined MPG
19 18 18 19
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
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GMC Sierra 1500 trims