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  • Gray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 Denali

    $35,590

    $750
    71,752 mi.
    Est. $669/mo

    Weld County Garage GMC Hummer

    4.5
    Check Availability
    Greeley, CO (896 mi)

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  • Quicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 Denali

    $37,251

    $249
    49,864 mi.
    Est. $700/mo

    McDonald Nissan

    4.7
    Check Availability
    Highlands Ranch, CO (922 mi)

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  • White Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 Denali

    $33,652

    $300
    74,082 mi.
    Est. $633/mo

    Lithia Honda in Medford

    4.7
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    Medford, OR (1,793 mi)
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  • Red Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 Denali

    $26,200

    $200
    107,737 mi.
    Est. $492/mo

    Brewer Airport Toyota

    4.9
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    Moon Twp, PA (397 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $39,000

    $1.4K
    32,932 mi.
    Est. $733/mo

    Courtesy Chrysler Dodge Jeep RAM of Superstition Springs

    4.7
    Check Availability
    Mesa, AZ (1,436 mi)
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  • White Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 Denali

    $34,475

    $523
    76,061 mi.
    Est. $648/mo

    Hendrick Toyota North Charleston

    4.9
    Check Availability
    North Charleston, SC (746 mi)
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  • White Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 Denali

    $35,348

    66,853 mi.
    Est. $664/mo

    Lake Country Toyota

    4.6
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    Baxter, MN (452 mi)
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  • White Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 Denali

    $33,382

    72,338 mi.
    Est. $627/mo

    Mazda of Palm Beach

    4.6
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    North Palm Beach, FL (1,127 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $38,900

    43,684 mi.
    Est. $731/mo

    Lambert Buick GMC

    4.6
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    Cuyahoga Falls, OH (323 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $31,616

    $582
    94,539 mi.
    Est. $594/mo

    Patriot Chevrolet

    4.8
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    Bartlesville, OK (568 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $32,976

    93,522 mi.
    Est. $620/mo

    Shottenkirk Chevrolet KIA of Quincy

    4.8
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    Quincy, IL (237 mi)
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  • White Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 Denali

    $27,789

    $500
    101,232 mi.
    Est. $522/mo

    Sam Galloway Ford

    4.7
    Check Availability
    Fort Myers, FL (1,107 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $29,232

    $768
    99,931 mi.
    Est. $549/mo

    Crippen GMC Mazda Volvo

    4.8
    Check Availability
    Lansing, MI (163 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $23,216

    $234
    141,589 mi.
    Est. $436/mo

    Serpentini Chevrolet - Strongsville

    4.4
    Check Availability
    Strongsville, OH (304 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 Denali

    $36,301

    65,727 mi.
    Est. $682/mo

    JH Barkau & Sons Inc

    4.9
    Check Availability
    Cedarville, IL (108 mi)
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  • Dark Slate Metallic 2018 GMC Sierra 1500 DENALIDark Slate Metallic 2018 GMC Sierra 1500 DENALIDark Slate Metallic 2018 GMC Sierra 1500 DENALIDark Slate Metallic 2018 GMC Sierra 1500 DENALIDark Slate Metallic 2018 GMC Sierra 1500 DENALIDark Slate Metallic 2018 GMC Sierra 1500 DENALI

    $34,679

    78,068 mi.
    Est. $652/mo

    Ken Grody Ford Orange County

    4.8
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    Buena Park, CA (1,736 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 Denali

    $34,985

    73,131 mi.
    Est. $658/mo

    Southwest Motors

    4.5
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    Pueblo, CO (931 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $37,253

    44,532 mi.
    Est. $700/mo

    Lupient Buick GMC

    4.0
    Check Availability
    Golden Valley, MN (359 mi)
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  • Red Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 Denali

    $20,095

    164,638 mi.
    Est. $378/mo

    O'Steen Volkswagen

    4.9
    Check Availability
    Jacksonville, FL (878 mi)
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  • White Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 Denali

    $37,887

    $1.1K
    37,777 mi.
    Est. $712/mo

    Schumacher Buick GMC Of North Palm Beach

    4.4
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    Lake Park, FL (1,126 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $32,800

    $192
    88,065 mi.
    Est. $617/mo

    Audi Chandler

    4.9
    Check Availability
    Chandler, AZ (1,451 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $31,500

    $1K
    68,118 mi.
    Est. $592/mo

    Rollit Motors

    4.5
    Check Availability
    Mesa, AZ (1,439 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $33,277

    83,556 mi.
    Est. $625/mo

    Elmhurst Ford

    4.6
    Check Availability
    Bensenville, IL (17 mi)
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  • White Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 Denali

    $25,940

    $1.8K
    132,184 mi.
    Est. $488/mo

    Glenn Chrysler Dodge Jeep Ram

    4.3
    Check Availability
    Crestwood, KY (271 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 Denali 23 Great deals
2025 GMC Sierra 1500 Denali $62,545 65 Great deals
2024 GMC Sierra 1500 Denali $57,413 122 Great deals
2023 GMC Sierra 1500 Denali $51,892 142 Great deals
2022 GMC Sierra 1500 Denali $46,297 115 Great deals
2021 GMC Sierra 1500 Denali $40,562 102 Great deals
2020 GMC Sierra 1500 Denali $37,836 68 Great deals
2019 GMC Sierra 1500 Denali $35,817 63 Great deals
2017 GMC Sierra 1500 Denali $27,195 40 Great deals

About the 2018 GMC Sierra 1500 Denali

Basics

Denali shown.

Seating
5
Door count
4
Drivetrain
Rear Wheel Drive
Combined MPG
18
Transmission
8-Speed A/T
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2018 GMC Sierra 1500 Denali
FAQs

How much does the 2018 GMC Sierra 1500 Denali cost?

The 2018 GMC Sierra 1500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2018 Sierra 1500 Denali is $31,200, with pricing starting at $19,118.

What is the MPG of the 2018 GMC Sierra 1500 Denali?

The 2018 GMC Sierra 1500 Denali offers up to 16 MPG in city driving and 22 MPG on the highway for a combined rating of 18 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 2018 GMC Sierra 1500 Denali?

The 2018 GMC Sierra 1500 Denali compares to and/or competes against the following vehicles:


Is the 2018 GMC Sierra 1500 Denali reliable?

The 2018 GMC Sierra 1500 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 2018 Sierra 1500 owners.

Ratings (172 reviews)

93% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.9
Interior
4.8
Performance
4.7
Value
4.6
Exterior
4.8
Reliability
4.7
Trims

Denali (3 styles)

Style
4WD Crew Cab 153.0" Denali 2WD Crew Cab 143.5" Denali 4WD Crew Cab 143.5" Denali
Inventory price
Starting at $56,300 Starting at $52,900 Starting at $56,000
Combined MPG
17 18 17
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)
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GMC Sierra 1500 trims