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689 listings
  • $15,999
    good price
    $2,839 below market
    • 130,289 miles
    • 1 accident, 3 owners, personal use
    • 8 Seats, 16 City / 23 Hwy MPG
    • QLD Auto (135 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Third-row seating
    • Blind Spot Monitorin...
    Close

    Located in Tampa, FL / 135 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: 1GKS1HKC6FR699476
    Stock: 699476
    Certified Pre-Owned: No
    Listed since: 01-24-2025

  • $15,490
    good price
    $3,003 below market
    • 136,190 miles
    • 2 accidents, 1 owner, personal use only
    • 8 Seats, 16 City / 23 Hwy MPG
    • MPS Sales (92 mi away)
    • Back-up camera
    • Bluetooth
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Hollywood, FL / 92 miles away from Port Saint Lucie, FL

    2015GMCYukon XLSLE Sport Utility 4DV8, EcoTec3, FF, 5.3LAuto, 6-Spd HD Overdrive2WD1GKS1GKCXFR747765134,923Silver & GrayDISCLAIMER:We strive to ensure...

    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: 1GKS1GKCXFR747765
    Stock: 747765
    Certified Pre-Owned: No
    Listed since: 02-27-2025

  • New Listing
    $20,000
    good price
    $2,536 below market
    • 134,830 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 14 City / 20 Hwy MPG
    • OK Auto Sales (130 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Eustis, FL / 130 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:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2JKJ6FR581964
    Stock: 11199
    Certified Pre-Owned: No
    Listed since: 05-10-2025

  • $45,991
    good price
    $2,567 below market
    • 76,841 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 19 Hwy MPG
    • AutoNation Cadillac West Palm Beach (44 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in West Palm Beach, FL / 44 miles away from Port Saint Lucie, FL

    Sunroof; Power Panoramic; Dual-PaneSeats; Second Row Bucket; Manual-FoldingPanoramic RoofLeather Seats3rd Row SeatLane Keeping AssistKeyless Sta...

    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 (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2GKD6PR146408
    Stock: PR146408
    Certified Pre-Owned: No
    Listed since: 04-29-2025

  • New Listing
    $56,900
    good price
    $5,321 below market
    • 51,232 miles
    • 1 accident, 2 owners, personal use only
    • 7 Seats, 14 City / 19 Hwy MPG
    • Merit Auto Group (218 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Jacksonville, FL / 218 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/19 Highway)

    Listing Information:

    VIN: 1GKS2JKL9MR159735
    Stock: 5581
    Certified Pre-Owned: No

  • Price Drop
    $48,020
    good price
    $3,490 below market
    • 73,864 miles
    • No accidents, 1 owner, rental vehicle
    • 7 Seats, 14 City / 19 Hwy MPG
    • ALM Nissan Newnan (493 mi away)
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    • Third-row seating
    Close

    Located in Newnan, GA / 493 miles away from Port Saint Lucie, FL

    $82K ORIGINAL MSRP !!!..DENALI PREFERRED EQUIPMENT GROUP (5SA)..POWER RETRACTIBLE RUNNING BOARDS..PREMIUM SOUND SYSTEM..LEATHER SEATS..ADAPTIVE CRUISE...

    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/19 Highway)

    Listing Information:

    VIN: 1GKS1JKL2PR211813
    Stock: PR211813
    Certified Pre-Owned: No
    Listed since: 04-10-2025

  • Price Drop
    $59,991
    good price
    $2,582 below market
    • 28,066 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 19 Hwy MPG
    • Naples Chrysler Dodge Jeep Ram (113 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Naples, FL / 113 miles away from Port Saint Lucie, FL

    2021 GMC Yukon XL Denali 4WD, 12-Way Power Seat Adjusters, 15 Diagonal Multi-Color Head-Up Display, 2 Presets For Outside Rearview Mirrors, 3rd Row 60...

    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/19 Highway)

    Listing Information:

    VIN: 1GKS2JKLXMR283870
    Stock: W609246A
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • $20,000
    fair price
    $1,758 below market
    • 148,581 miles
    • No accidents, 5 owners, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • One Stop Auto Sales (430 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Macon, GA / 430 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 (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2HKC1FR244368
    Stock: 5419
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • Price Drop
    $62,998
    fair price
    $2,469 below market
    • 25,451 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 20 Hwy MPG
    • CarMax Gainesville (200 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Gainesville, FL / 200 miles away from Port Saint Lucie, FL

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    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:

    17 Combined MPG (15 City/20 Highway)

    Listing Information:

    VIN: 1GKS1GKD1PR441449
    Stock: 27470919
    Certified Pre-Owned: No

  • $13,900
    fair price
    $929 below market
    • 187,404 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 8 Seats, 16 City / 23 Hwy MPG
    • Rod's Rides (293 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Waycross, GA / 293 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:

    18 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKC4FR170639
    Stock: 4043
    Certified Pre-Owned: No
    Listed since: 03-03-2025

  • $18,995
    good price
    $1,600 below market
    • 141,676 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 7 Seats, 15 City / 21 Hwy MPG
    • Awah Auto Sales (495 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Loganville, GA / 495 miles away from Port Saint Lucie, FL

    2015 GMC YUKON 1500 Denali XL 6.2L V8 SUV! Black Exterior and Black Interior, Climate Control, Navigation, Backup Camera, Aux, Bluetooth, HOD, Infota...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS1JKJ5FR700803
    Stock: 4023
    Certified Pre-Owned: No
    Listed since: 05-28-2025

  • $15,995
    good price
    $1,389 below market
    • 180,229 miles
    • No accidents, 5 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Drive It Now (468 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pensacola, FL / 468 miles away from Port Saint Lucie, FL

    2015 GMC YUKON XL 4D SUV AWD 6.2L V8 DI VVT FLEX 6.2L;Clean Title, runs good. CLEAN CARFAX. Picture can explain more, ready for test drive and new O...

    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: 1GKS2JKJ9FR713194
    Stock: 2245
    Certified Pre-Owned: No
    Listed since: 06-11-2025

  • $55,995
    good price
    $3,031 below market
    • 53,515 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 7 Seats, 14 City / 19 Hwy MPG
    • Automaxx of the Carolinas (395 mi away)
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    • Upgraded Headlights
    Close

    Located in Summerville, SC / 395 miles away from Port Saint Lucie, FL

    Certified.Certification Program Details: 3 month/3000 Miles Certified Warranty2023 GMC Yukon XL Denali RWDCurrent Odometer 53515, *ONE OWNER, *Cer...

    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/19 Highway)

    Listing Information:

    VIN: 1GKS1JKL1PR210247
    Stock: K2239
    Certified Pre-Owned: No
    Listed since: 12-31-2024

  • $48,520
    good price
    $2,774 below market
    • 61,053 miles
    • No accidents, 1 owner, rental vehicle
    • 8 Seats, 15 City / 20 Hwy MPG
    • ALM Hyundai of Florence (475 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    Close

    Located in Florence, SC / 475 miles away from Port Saint Lucie, FL

    66K$ MSRP.. 2023 YUKON XL SLT..SLT PREFERRRED EQUIPMENT GROUP..3RD ROW SEAT..HEATED SEATS..MEMORY SEATS..LANE DEPARTURE WARNING..LANE KEEP ASSIST..BLI...

    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/20 Highway)

    Listing Information:

    VIN: 1GKS1GKD2PR346978
    Stock: PR346978
    Certified Pre-Owned: No
    Listed since: 05-16-2025

  • $18,737
    good price
    $1,912 below market
    • 152,200 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Fayetteville Ford (487 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fayetteville, GA / 487 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:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2JKJ6FR561567
    Stock: FR561567
    Certified Pre-Owned: No
    Listed since: 06-08-2025

  • $52,334
    good price
    $1,967 below market
    • 43,850 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 7 Seats, 14 City / 19 Hwy MPG
    • Driveway (109 mi away)
    • Home delivery*
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    • Upgraded Headlights
    Close

    Located in Orlando, FL / 109 miles away from Port Saint Lucie, FL

    CarFax No Accidents Reported,CarFax 1-Owner,3rd Row Seat,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Heated Seats,Heated St...

    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/19 Highway)

    Listing Information:

    VIN: 1GKS1JKL4PR353645
    Stock: PR353645
    Certified Pre-Owned: No

  • $69,000
    fair price
    $1,002 below market
    • 18,237 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Step One Buick GMC Pensacola (467 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Pensacola, FL / 467 miles away from Port Saint Lucie, FL

    **2023 GMC Yukon XL Denali Certified, One Owner, Fully Loaded**Discover exceptional space, luxury, and performance in this Manufacturers Certified Pre...

    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/18 Highway)

    Listing Information:

    VIN: 1GKS2JKL6PR562138
    Stock: TPR562138
    Certified Pre-Owned: Yes
    Listed since: 01-06-2025

  • Price Drop
    $41,487
    good price
    $2,641 below market
    • 81,500 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 16 City / 20 Hwy MPG
    • Gettel Chevrolet Buick GMC (104 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Punta Gorda, FL / 104 miles away from Port Saint Lucie, FL

    Value priced below the market average! This 2021 GMC Yukon XL SLT, has a great Summit White exterior, and a clean Jet Black interior! This model has m...

    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/20 Highway)

    Listing Information:

    VIN: 1GKS1GKD4MR367990
    Stock: G213320A
    Certified Pre-Owned: No
    Listed since: 05-29-2025

    • 139,261 miles
    • 1 accident, 2 owners, corporate fleet vehicle
    • 8 Seats, 15 City / 19 Hwy MPG
    • Auction Direct Miami (105 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

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

    Stock: 259305 Miles: 139,261 Drive Train: 4WD Engine: 5.3L V8 OHV 16V Exterior: Black Interior: Black Interior Type: Leather Transmission: Automatic V...

    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: Yes

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    17 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2GKD8MR259305
    Stock: 259305
    Certified Pre-Owned: No
    Listed since: 09-24-2024

  • Price Drop
    $62,134
    fair price
    $668 below market
    • 29,752 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 7 Seats, 14 City / 18 Hwy MPG
    • Lokey Volkswagen (150 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Clearwater, FL / 150 miles away from Port Saint Lucie, FL

    For more information and test drive please call. CARFAX One-Owner. 2023 GMC Yukon XL Denali Onyx Black 4WD 4D Sport Utility 10-Speed Automatic with Ov...

    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/18 Highway)

    Listing Information:

    VIN: 1GKS2JKL0PR503828
    Stock: VP503828
    Certified Pre-Owned: No
    Listed since: 03-04-2025

  • $19,995
    fair price
    $1,089 below market
    • 149,890 miles
    • No accidents, 3 owners, corporate fleet vehicle
    • 7 Seats, 14 City / 20 Hwy MPG
    • Georgia Brothers Autos & Trucks (498 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Decatur, GA / 498 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: 1GKS2JKJ8FR305060
    Stock: N177
    Certified Pre-Owned: No

Showing 295 - 315 out of 689 listings

Consumer Reviews for the GMC Yukon XL

Read recent reviews for the GMC Yukon XL
Overall Consumer Rating
3.9 out of 5 stars36 Reviews
Write a vehicle reviewSee all 36 reviews
  • 5 star
    (58%)
  • 4 star
    (6%)
  • 3 star
    (14%)
  • 2 star
    (8%)
  • 1 star
    (14%)
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 2015 GMC Yukon XL in Port Saint Lucie, FL Values

Estimated values
2015 GMC Yukon XL SLT 4dr SUV (5.3L 8cyl 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$10,441$15,004$18,004
Clean$10,098$14,472$17,321
Average$9,526$13,587$16,183
Rough$8,783$12,436$14,704

The average list price of a used 2015 GMC Yukon XL in Port Saint Lucie, Florida is $37,737. The average mileage on a used GMC Yukon XL 2015 for sale in Port Saint Lucie, Florida is 97,329. Based on the average mileage of 97,329 for used 2015 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 2015 in Port Saint Lucie, Florida to be $9,526.

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