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  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $18,938

    $400
    128,919 mi.
    Est. $357/mo

    Royal Auto Group

    3.4
    Haddon Township, NJ (669 mi)
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  • Dark Sapphire Blue Metallic 2018 GMC Yukon XL SLTDark Sapphire Blue Metallic 2018 GMC Yukon XL SLTDark Sapphire Blue Metallic 2018 GMC Yukon XL SLTDark Sapphire Blue Metallic 2018 GMC Yukon XL SLTDark Sapphire Blue Metallic 2018 GMC Yukon XL SLTDark Sapphire Blue Metallic 2018 GMC Yukon XL SLT

    $22,427

    $372
    124,880 mi.
    Est. $423/mo

    Woodhouse Place Hyundai

    4.2
    Omaha, NE (443 mi)
    Check Availability

  • Quicksilver Metallic 2018 GMC Yukon XL SLTQuicksilver Metallic 2018 GMC Yukon XL SLTQuicksilver Metallic 2018 GMC Yukon XL SLTQuicksilver Metallic 2018 GMC Yukon XL SLTQuicksilver Metallic 2018 GMC Yukon XL SLTQuicksilver Metallic 2018 GMC Yukon XL SLT

    $23,494

    120,820 mi.
    Est. $443/mo

    Heiser Toyota

    4.7
    Milwaukee, WI (90 mi)
    Check Availability

  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $26,295

    97,885 mi.
    Est. $495/mo

    DriveTime of Fort Worth

    4.6
    Fort Worth, TX (830 mi)
    Check Availability
  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $20,382

    $2.4K
    136,640 mi.
    Est. $384/mo

    Germain Lexus of Easton

    4.8
    Columbus, OH (277 mi)
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  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $16,888

    142,737 mi.
    Est. $318/mo

    Orlando INFINITI

    4.8
    Orlando, FL (989 mi)
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  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $17,723

    137,190 mi.
    Est. $334/mo

    Classic Buick GMC

    4.7
    Houston, TX (949 mi)
    Check Availability
  • Summit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLT

    $15,723

    $100
    170,664 mi.
    Est. $296/mo

    Kunes Auto Group of Mt. Carroll

    4.7
    Mount Carroll, IL (122 mi)
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  • Summit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLT

    $15,723

    $100
    170,664 mi.
    Est. $296/mo

    Kunes Auto Group of Mt. Carroll

    4.7
    Mount Carroll, IL (122 mi)
    Check Availability

  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $26,490

    $500
    108,652 mi.
    Est. $499/mo

    Team Chevrolet GMC

    4.7
    Huntingdon, PA (510 mi)
    Check Availability
  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $22,300

    69,239 mi.
    Est. $420/mo

    Berkenkotter Motors Castle Rock

    4.8
    Castle Rock, CO (919 mi)
    Check Availability
  • 2018 GMC Yukon XL SLT2018 GMC Yukon XL SLT2018 GMC Yukon XL SLT2018 GMC Yukon XL SLT2018 GMC Yukon XL SLT2018 GMC Yukon XL SLT

    $14,405

    138,943 mi.
    Est. $271/mo

    Genesis Auto & Truck Sales

    5.0
    Newark, NJ (703 mi)
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  • Satin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLT

    $20,694

    $1K
    125,967 mi.
    Est. $390/mo

    Glenn Chevrolet

    4.3
    Eminence, KY (276 mi)
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  • Gray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLT

    $20,484

    137,189 mi.
    Est. $386/mo

    Drive N-Motion Greeley

    4.2
    Greeley, CO (894 mi)
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  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $21,397

    144,918 mi.
    Est. $403/mo

    Bud's Chrysler Dodge Jeep RAM

    5.0
    Celina, OH (185 mi)
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  • Satin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLTSatin Steel Metallic 2018 GMC Yukon XL SLT

    $26,990

    104,725 mi.
    Est. $508/mo

    Team Factory Direct

    4.0
    Duncansville, PA (489 mi)
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  • Gray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLTGray 2018 GMC Yukon XL SLT

    $18,290

    171,702 mi.
    Est. $345/mo

    Doug Justus Auto Center

    4.4
    Louisville, TN (462 mi)
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  • Black 2018 GMC Yukon XL SLTBlack 2018 GMC Yukon XL SLTBlack 2018 GMC Yukon XL SLTBlack 2018 GMC Yukon XL SLTBlack 2018 GMC Yukon XL SLTBlack 2018 GMC Yukon XL SLT

    $21,399

    $2.3K
    93,529 mi.
    Est. $403/mo

    Zarvo Motors

    4.2
    Camp Springs, MD (604 mi)
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  • Summit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLT

    $15,948

    182,833 mi.
    Est. $300/mo

    Valor Chrysler Dodge Jeep Ram

    4.8
    Junction City, KS (524 mi)
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  • White 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLT

    $25,177

    95,014 mi.
    Est. $474/mo

    All American Motors

    5.0
    Tacoma, WA (1,740 mi)
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  • White Frost Tri-Coat 2018 GMC Yukon XL SLTWhite Frost Tri-Coat 2018 GMC Yukon XL SLTWhite Frost Tri-Coat 2018 GMC Yukon XL SLTWhite Frost Tri-Coat 2018 GMC Yukon XL SLTWhite Frost Tri-Coat 2018 GMC Yukon XL SLTWhite Frost Tri-Coat 2018 GMC Yukon XL SLT

    $26,591

    106,442 mi.
    Est. $501/mo

    Rydell Chevrolet

    4.7
    Waterloo, IA (244 mi)
    Check Availability
  • Onyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLTOnyx Black 2018 GMC Yukon XL SLT

    $20,517

    $500
    121,255 mi.
    Est. $387/mo

    Atlanta Used Cars of Lilburn

    4.9
    Lilburn, GA (584 mi)
    Check Availability
  • Summit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLT

    $22,160

    $1K
    94,154 mi.
    Est. $417/mo

    Mossy Toyota

    4.1
    San Diego, CA (1,731 mi)
    Check Availability
  • White 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLT

    $16,500

    $1K
    149,588 mi.
    Est. $311/mo

    Sweet Rides, LLC

    Greer, SC (561 mi)
    Check Availability
  • Summit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLTSummit White 2018 GMC Yukon XL SLT

    $19,500

    151,483 mi.
    Est. $367/mo

    De Anda Auto Sales Inc

    Storm Lake, IA (391 mi)
    Check Availability
  • White 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLTWhite 2018 GMC Yukon XL SLT

    $29,669

    77,853 mi.
    Est. $559/mo

    Truck Town

    Bremerton, WA (1,749 mi)
    Check Availability

GMC Yukon XL prices by year

Model year Average price Deals
2024 GMC Yukon XL SLT $52,773 42 Great deals
2023 GMC Yukon XL SLT $47,281 65 Great deals
2022 GMC Yukon XL SLT $42,159 25 Great deals
2021 GMC Yukon XL SLT $36,929 27 Great deals
2020 GMC Yukon XL SLT $25,439 20 Great deals
2019 GMC Yukon XL SLT $22,539 29 Great deals
2017 GMC Yukon XL SLT $18,326 9 Great deals
2016 GMC Yukon XL SLT $15,343 14 Good deals

About the 2018 GMC Yukon XL SLT

Basics

SLT shown.

Seating
7
Door count
4
Drivetrain
Rear Wheel Drive
Combined MPG
19
Transmission
6-Speed A/T
Engine
355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2018 GMC Yukon XL SLT
FAQs

How much does the 2018 GMC Yukon XL SLT cost?

The 2018 GMC Yukon XL SLT price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2018 Yukon XL SLT is $21,035, with pricing starting at $11,991.

What is the MPG of the 2018 GMC Yukon XL SLT?

The 2018 GMC Yukon XL SLT 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 2018 GMC Yukon XL SLT?

The 2018 GMC Yukon XL SLT compares to and/or competes against the following vehicles:


Is the 2018 GMC Yukon XL SLT reliable?

The 2018 GMC Yukon XL has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2018 Yukon XL owners.

Ratings (24 reviews)

95% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.9
Interior
4.8
Performance
4.9
Value
4.4
Exterior
4.8
Reliability
5.0
Trims

SLT (2 styles)

Style
4WD 4dr SLT 2WD 4dr SLT
Inventory price
Starting at $62,900 Starting at $59,900
Combined MPG
18 19
Engine
355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)

2018 GMC Yukon XL trims