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  • $24,866
    good price
    $1,835 below market
    • 119,055 miles
    • 3 accidents, 3 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • ALH Automotive (330 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Tallahassee, FL / 330 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ0HR140228
    Stock: 902A
    Certified Pre-Owned: No

  • New Listing
    $20,552
    fair price
    $217 above market
    • 127,641 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Driveway (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Salem, OR / 2,636 miles away from Port Saint Lucie, FL

    CarFax 1-Owner,Rare Find,3rd Row Seat,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Entertainment System,Heated Seats,Heated Steering Wheel...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2HKC1FR139121
    Stock: V139121
    Certified Pre-Owned: No

  • $22,995
    fair price
    $612 above market
    • 125,000 miles
    • No accidents, 3 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Palmetto Cars of Columbia (465 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in West Columbia, SC / 465 miles away from Port Saint Lucie, FL

    NEW MICHELIN TIRES LIKE NEW MUST SEE THIS SUVNon-smoker owner, Vehicle Runs Well, Smooth ride, Always parked indoors, New tires, Regularly maintained,...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2JKJ3FR208929
    Stock: 8929
    Certified Pre-Owned: No
    Listed since: 08-26-2025

  • $23,500
    fair price
    $573 above market
    • 106,972 miles
    • No accidents, 3 owners, taxi vehicle
    • 7 Seats, 14 City / 20 Hwy MPG
    • Genesis of Collageville (391 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Cottageville, SC / 391 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2JKJ7FR582105
    Stock: 582105
    Certified Pre-Owned: No
    Listed since: 08-15-2025

  • Advertisement

    3 Offers Nearby

    2025 GMC Yukon Denali Ultimate
    $78,995
    starting MSRP
    • 6 Colors
    • 5 Trims
    • 8 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $38,823
    fair price
    $1,027 above market
    • 55,659 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 7 Seats, 14 City / 23 Hwy MPG
    • Greenway Chrysler Dodge Jeep Ram (105 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Orlando, FL / 105 miles away from Port Saint Lucie, FL

    LEATHER, NAVIGATION, 4-Wheel Antilock Disc Brakes, 5 Auxiliary 12-volt Power Outlets, Adaptive suspension, Black Assist Steps w/Chrome Strip, Bose Act...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    17 Combined MPG (14 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKJ8KR185007
    Stock: KR185007
    Certified Pre-Owned: No
    Listed since: 09-07-2025

    • 102,203 miles
    • Insurance loss reported, 3 owners, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Vice City Deals (94 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in North Miami Beach, FL / 94 miles away from Port Saint Lucie, FL

    Dont forget to ask about our financing options! The front windshield is in excellent condition. There is more than 50% tread life left on the tires. T...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKC5HR165685
    Stock: 165685
    Certified Pre-Owned: No
    Listed since: 02-04-2025

  • Stock photo**
    $16,995
    fair price
    $270 below market
    • 176,684 miles
    • 3 accidents, 4 owners, rental vehicle
    • 8 Seats, 15 City / 22 Hwy MPG
    • Nissan Of Vero Beach (21 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Vero Beach, FL / 21 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKC2HR186445
    Stock: E1343A
    Certified Pre-Owned: No
    Listed since: 09-15-2025

    • 114,321 miles
    • Insurance loss reported, 2 owners, personal use
    • 8 Seats, 15 City / 22 Hwy MPG
    • Supreme Auto & Finance (223 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Third-row seating
    Close

    Located in Jacksonville, FL / 223 miles away from Port Saint Lucie, FL

    Drives greatVehicle Runs WellSmooth rideArctic cold a/cMust test drive

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2HKC7FR646119
    Stock: 646119-51R
    Certified Pre-Owned: No
    Listed since: 09-14-2025

  • Advertisement

    3 Offers Nearby

    2025 GMC Yukon Denali Ultimate
    $78,995
    starting MSRP
    • 6 Colors
    • 5 Trims
    • 8 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • New Listing
    $22,109
    fair price
    $1,115 below market
    • 135,415 miles
    • 1 accident, 4 owners, rental vehicle
    • 8 Seats, 15 City / 22 Hwy MPG
    • Lou Sobh Kia of Newnan (496 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Newnan, GA / 496 miles away from Port Saint Lucie, FL

    Recent Arrival! Priced below KBB Fair Purchase Price!Lou Sobh Kia of Newnan is proud to offer this good-looking 2019 GMC Yukon XL in Summit White Th...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS1GKC8KR242026
    Stock: 8KR242026
    Certified Pre-Owned: No
    Listed since: 09-19-2025

  • $17,280
    fair price
    $1,267 above market
    • 149,215 miles
    • 1 accident, 2 owners, personal use only
    • 8 Seats, 15 City / 22 Hwy MPG
    • Kingdom Car Sale (97 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Third-row seating
    • Power Driver Seat
    Close

    Located in Kissimmee, FL / 97 miles away from Port Saint Lucie, FL

    Welcome to [KINGDOM CARS] at Car Gurus!Discover your dream car with us, where every vehicle is a gateway to your next adventure. At [KINGDOM CARS], we...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKC8FR723218
    Stock: 723218
    Certified Pre-Owned: No
    Listed since: 04-10-2025

  • Price Drop
    Stock photo**
    $20,599
    fair price
    $167 above market
    • 132,196 miles
    • No accidents, 5 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Gear Motorsports (107 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Estero, FL / 107 miles away from Port Saint Lucie, FL

    Unleash the power and luxury of the 2015 GMC Yukon XL Denali XL 4WD! This beast is equipped with a mighty EcoTec3 6.2L V8 engine, delivering a jaw-dro...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2JKJ8FR254207
    Stock: GM1046
    Certified Pre-Owned: No
    Listed since: 05-22-2025

  • $29,000
    fair price
    $818 below market
    • 98,360 miles
    • 2 accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • BMW of Florence (479 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Florence, SC / 479 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ6HR355323
    Stock: TR355323
    Certified Pre-Owned: No
    Listed since: 08-24-2025

  • Advertisement

    3 Offers Nearby

    2025 GMC Yukon Denali Ultimate
    $78,995
    starting MSRP
    • 6 Colors
    • 5 Trims
    • 8 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • New Listing
    $28,995
    fair price
    $339 above market
    • 73,957 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 7 Seats, 15 City / 22 Hwy MPG
    • Awah Auto Sales (500 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Loganville, GA / 500 miles away from Port Saint Lucie, FL

    2017 GMC YUKON XL 1500 Denali 6.2L V8 SUV! Gray Exterior and Clean Black Interior, Climate Control, Navigation, Backup Camera, Apple CarPlay & Andro...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    17 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS1HKJ9HR367842
    Stock: 4144
    Certified Pre-Owned: No
    Listed since: 09-20-2025

  • New Listing
    Stock photo**
    $29,500
    good price
    $1,812 below market
    • 87,942 miles
    • 7 Seats, 14 City / 20 Hwy MPG
    • McElveen Buick GMC (398 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Summerville, SC / 398 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ4HR217957
    Stock: E7295
    Certified Pre-Owned: No
    Listed since: 09-06-2025

  • $20,595
    fair price
    $163 above market
    • 143,074 miles
    • No accidents, 3 owners, corporate fleet vehicle
    • 8 Seats, 15 City / 22 Hwy MPG
    • Dependable Auto Sales (497 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Montgomery, AL / 497 miles away from Port Saint Lucie, FL

    Visit Dependable Auto Sales online at www.dependableautosalesal.com to see more pictures of this vehicle or call us at 3**-6**-2*** today to sche...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKC2HR153221
    Stock: 153221
    Certified Pre-Owned: No
    Listed since: 07-03-2025

  • $15,990
    fair price
    $957 above market
    • 192,361 miles
    • 1 accident, 1 owner, personal use only
    • 8 Seats, 16 City / 23 Hwy MPG
    • New Life Auto Sales (386 mi away)
    • Back-up camera
    • Bluetooth
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in North Charleston, SC / 386 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 1GKS1GKC9FR280175
    Stock: 280175
    Certified Pre-Owned: No
    Listed since: 07-11-2025

  • Advertisement

    3 Offers Nearby

    2025 GMC Yukon Denali Ultimate
    $78,995
    starting MSRP
    • 6 Colors
    • 5 Trims
    • 8 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $18,900
    fair price
    $1,431 above market
    • 117,437 miles
    • 1 accident, 2 owners, personal use only
    • 8 Seats, 16 City / 23 Hwy MPG
    • Robert Hutson Ford (339 mi away)
    • Back-up camera
    • Bluetooth
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Moultrie, GA / 339 miles away from Port Saint Lucie, FL

    Champagne Silver Metallic 2015 GMC Yukon XL SLE 1500 EcoTec3 5.3L V8 6-Speed Automatic Electronic with Overdrive RWD Yukon XL SLE 1500, 4D Sport Utili...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 1GKS1GKC7FR173030
    Stock: UT9865
    Certified Pre-Owned: No
    Listed since: 08-14-2025

    • 177,402 miles
    • No accidents, 1 owner, personal use only
    • 8 Seats, 15 City / 22 Hwy MPG
    • Metro Auto of Orlando (151 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Third-row seating
    • Power Driver Seat
    Close

    Located in Wildwood, FL / 151 miles away from Port Saint Lucie, FL

    2015 GMC Yukon XL SLE 4x4 1 Owner Clean CARFAX!Experience power, space, and reliability with this well-maintained 2015 GMC Yukon XL SLE 4x4. A 1-owner...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKC7FR721850
    Stock: 721850
    Certified Pre-Owned: No
    Listed since: 05-28-2025

    • 181,448 miles
    • No accidents, 3 owners, personal use
    • 8 Seats, 16 City / 23 Hwy MPG
    • Car Request (75 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Third-row seating
    • Blind Spot Monitorin...
    Close

    Located in Pompano Beach, FL / 75 miles away from Port Saint Lucie, FL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKC5FR126908
    Stock: N126908
    Certified Pre-Owned: No
    Listed since: 09-17-2025

  • $26,988
    fair price
    $536 above market
    • 102,904 miles
    • 1 accident, 2 owners, rental vehicle
    • 8 Seats, 14 City / 21 Hwy MPG
    • Ferman Chevrolet of Brandon (131 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Tampa, FL / 131 miles away from Port Saint Lucie, FL

    CARFAX One-Owner. Clean CARFAX. Well Maintained.Priced below KBB Fair Purchase Price!2019 GMC Yukon XL SLT Odometer is 27433 miles below market averag...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/21 Highway)

    Listing Information:

    VIN: 1GKS2GKC0KR390605
    Stock: C254019A
    Certified Pre-Owned: No
    Listed since: 09-16-2025

  • New Listing
    • 96,296 miles
    • 7 Seats, 14 City / 20 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Atlanta, GA / 512 miles away from Port Saint Lucie, FL

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ4HR158814
    Stock: 2004072887
    Certified Pre-Owned: No
    Listed since: 09-16-2025

Showing 85 - 105 out of 617 listings

Consumer Reviews for the GMC Yukon XL

Read recent reviews for the GMC Yukon XL
Overall Consumer Rating
3.7 out of 5 stars39 Reviews
Write a vehicle reviewSee all 39 reviews
  • 5 star
    (46%)
  • 4 star
    (15%)
  • 3 star
    (15%)
  • 2 star
    (10%)
  • 1 star
    (13%)
5 out of 5 stars

XL for empty nesters

Robert Bob, 02/10/2017
2016 GMC Yukon XL Denali 4dr SUV (6.2L 8cyl 8A)
This is a big SUV that doesn't feel big when driving. Easy to park and has a small turning radius. We often have our kids and grandkids with us and routinely haul 7 people in this and love the legroom and cargo room with everyone on board. The ride and quiet cabin are spectacular and the fuel mileage is better than expected. Has tons of torque and pulling our 4,000 lb boat is … effortless. It is easy to back the boat up too with large mirrors and good backup camera. Like the auto leveling rear shocks. My only disappointment in the vehicle is GM's decision to eliminate the ability to pause and rewind live radio that my previous vehicles had. This was available before 2016 but GM eliminated it which is a shame. My 2015 GMC Canyon had this feature but a $70,000 vehicle doesn't. Doesn't make sense! Had trouble with torque converter clutch but dealer was able to resolve with fluid flush and new transmission fluid type. Problem caused shudder or vibration in 8th gear that felt like going over rumble strips. RPM fluctuated between 1600 and 1800 when TCC clutch was not happy. Downshifting into 7th gear would eliminate problem at the expense of poorer gas milage. Problem started at 16,000 miles. Have 17,000 miles on it now and problem is gone after fluid flush and change. Car is very quiet and subsequently any rattles are heard very easily. Chased a problem with a rattling/popping noise that sounded like is was coming from the right side dash area. Disassembled many components inside the glove box/dash area looking for it and finally found the noise was coming from the right front inner fender well! The noise could be duplicated by standing on and off the front part of the running board. The noise was from a loose spot weld on inner fender metal. Placing a section of close cell foam under panel solved the noise! Fixed by owner! Still not happy with GMC 22" wheels that cause harsh and rough ride. 22" wheels should not be an option on this car! Changed to Michelin Defender tires and solved vibration problems with original Bridgestone Dueler tires but this 22" size tire has low profile sidewalls which contributes to tires not absorbing bumps well and transmitting the bumps to the passengers. Car would ride much smoother on 18" or maybe 20" wheels. These wheels were a $2,400 option from GMC and it was a waste of money in my opinion. They are also very hard to keep clean and not very happy with the chrome plastic inserts on the wheels. Just learned the owner can't rotate tires and reset TPMS system without a special tool! This tool should be included with a $70,000 vehicle. Unfortunate that a simple routine simple maintenance task can't be accomplished without the $100 tool or a trip to the dealer or tire shop. If the TPMS system is not updated after wheel rotation, tire positions will not agree with dash display in the event of a tire problem. Have recent issue with powered running boards installed by GMC. They fail to extend when doors are opened occasionally. Both sides are affected. They have been lubricated and problem still exists. Car sits very high on 22” wheels and the running boards are critical for wife or kids to get in. Dealer service visit scheduled to diagnose/repair. Finally got dealer to recognize my intermittent running board problem by taking multiple video captures when they failed to extend or retract. They replaced the motors on both sides and they are now working normally. Torque converter clutch shudder returned at 35,000 miles. Dealer replaced trans fluid with a newer updated fluid that doesn’t absorb moisture. Problem has been resolved for now, again! Noticed leaking left axle seal while rotating tires. Taking back to dealer again to repair! Too bad the dealer didn’t notice this problem while changing trans fluid a week earlier! Still love the car and there is nothing comparable in the marketplace. Average MPG on Hwy is 23 and 19 around town. Added oil "catch can" at 37,000 miles and cleaned intake manifold and valves prior to addition. The catch can captures about 4 oz of breather oil every 4,000 miles. Running Amsoil Signature 0W-20 oil full synthetic with once a year change. Catch can should be installed when new to keep intake valves and manifold clean. GDI engines are prone to carbon buildup on valves due to design.
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Used 2017 GMC Yukon XL in Port Saint Lucie, FL Values

Estimated values
2017 GMC Yukon XL Denali 4dr SUV 4WD (6.2L 8cyl 8A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$17,551$20,451$22,671
Clean$17,110$19,914$22,049
Average$16,375$19,018$21,012
Rough$15,420$17,853$19,664

The average list price of a used 2017 GMC Yukon XL in Port Saint Lucie, Florida is $22,932. The average mileage on a used GMC Yukon XL 2017 for sale in Port Saint Lucie, Florida is 124,550. Based on the average mileage of 124,550 for used 2017 GMC Yukon XL for sale in Port Saint Lucie, FL and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used GMC Yukon XL 2017 in Port Saint Lucie, Florida to be $16,375.

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