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445 listings
  • Price Drop
    $42,000
    fair price
    $513 above market
    • 89,594 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 19 Hwy MPG
    • Land Rover Rockland (120 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Rockland, MA / 120 miles away from New Haven, CT

    Heated Leather Seats, 3rd Row Seat, Rear Air, Power Liftgate, 4x4, Quad Seats, Alloy Wheels, SLT LUXURY PACKAGE, TRANSMISSION, 10-SPEED AUTOMATIC, ENG...

    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/19 Highway)

    Listing Information:

    VIN: 1GKS2GKDXMR471400
    Stock: MR471400
    Certified Pre-Owned: No
    Listed since: 08-30-2025

  • New Listing
    • 92,874 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 23 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Dallas, TX / 1,435 miles away from New Haven, CT

    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

    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 (14 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKJ6KR124559
    Stock: 2004062557
    Certified Pre-Owned: No
    Listed since: 09-15-2025

  • New Listing
    $38,590
    fair price
    $368 above market
    • 88,883 miles
    • No accidents, 1 owner, personal use only
    • 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 Memphis, TN / 1,014 miles away from New Haven, CT

    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

    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: 1GKS2HKJ3KR251850
    Stock: 2004047274
    Certified Pre-Owned: No
    Listed since: 09-08-2025

    • 84,419 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 7 Seats, 14 City / 23 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Dallas, TX / 1,435 miles away from New Haven, CT

    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

    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: 1GKS1HKJ4KR404755
    Stock: 2003913666
    Certified Pre-Owned: No
    Listed since: 08-05-2025

  • 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
    $27,495
    fair price
    $951 above market
    • 104,339 miles
    • 1 accident, 2 owners, rental vehicle
    • 7 Seats, 14 City / 21 Hwy MPG
    • Road Ready Auto Mall (91 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in West Long Branch, NJ / 91 miles away from New Haven, CT

    Experience Luxury and Power with the 2019 GMC Yukon XL SLT!Get ready to elevate your driving adventures with this stunning 2019 GMC Yukon XL SLT! This...

    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: 1GKS2GKC0KR161910
    Stock: 161910
    Certified Pre-Owned: No
    Listed since: 08-17-2025

  • $19,900
    great price
    $5,279 below market
    • 149,000 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 7 Seats, 14 City / 21 Hwy MPG
    • JBR Auto S (106 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Albany, NY / 106 miles away from New Haven, CT

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2HKJ9JR178322
    Stock: 178322
    Certified Pre-Owned: No
    Listed since: 06-16-2025

  • $37,990
    fair price
    $59 above market
    • 79,321 miles
    • 1 accident, 1 owner, personal use only
    • 7 Seats, 14 City / 23 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Oklahoma City, OK / 1,386 miles away from New Haven, CT

    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

    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:

    17 Combined MPG (14 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKJ7KR148594
    Stock: 2004045815
    Certified Pre-Owned: No
    Listed since: 09-15-2025

  • $29,449
    great price
    $7,656 below market
    • 78,278 miles
    • No accidents, 2 owners, personal use
    • 7 Seats, 14 City / 21 Hwy MPG
    • Sawyer Lyons Buick GMC (93 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Randolph, NJ / 93 miles away from New Haven, CT

    4WD. Priced below KBB Fair Purchase Price! Odometer is 45870 miles below market average! Clean CARFAX.Iridium Metallic 2018 GMC Yukon XL Denali 4W...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2HKJ1JR359236
    Stock: P17847
    Certified Pre-Owned: No
    Listed since: 07-31-2025

  • 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
    $54,789
    great price
    $12,155 below market
    • 55,921 miles
    • No accidents, 2 owners, personal use
    • 7 Seats, 14 City / 19 Hwy MPG
    • Romeo Chevrolet Buick GMC (71 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Lake Katrine, NY / 71 miles away from New Haven, CT

    Romeo GM Center Proudly presents this 2022 GMC Yukon XL with Advanced Security Package (Glass Breakage Sensor, Theft-Deterrent Alarm System, Vehicle I...

    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: 1GKS2JKL8NR236936
    Stock: CP25423
    Certified Pre-Owned: No
    Listed since: 09-19-2025

    • 132,791 miles
    • No accidents, 3 owners, corporate fleet vehicle
    • 8 Seats, 14 City / 21 Hwy MPG
    • Shopicar (110 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Canton, MA / 110 miles away from New Haven, CT

    This GMC won't be on the lot long! It just arrived on our lot this past week! Top features include rain sensing wipers, a blind spot monitoring system...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2GKC4KR321982
    Stock: S-321982
    Certified Pre-Owned: No
    Listed since: 08-12-2025

  • Price Drop
    • 100,817 miles
    • No accidents, 2 owners, rental vehicle
    • 8 Seats, 15 City / 22 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    Close

    Located in Phoenix, AZ / 2,193 miles away from New Haven, CT

    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

    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: 1GKS1GKC5KR400323
    Stock: 2004056072
    Certified Pre-Owned: No
    Listed since: 09-17-2025

  • Price Drop
    • 95,285 miles
    • No accidents, 2 owners, rental vehicle
    • 8 Seats, 15 City / 22 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Oklahoma City, OK / 1,386 miles away from New Haven, CT

    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

    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: 1GKS1GKC0KR381938
    Stock: 2003871410
    Certified Pre-Owned: No
    Listed since: 07-04-2025

  • 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.
    • 93,108 miles
    • No accidents, 2 owners, rental vehicle
    • 7 Seats, 14 City / 19 Hwy MPG
    • The Highline Group (121 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lowell, MA / 121 miles away from New Haven, CT

    Clean CARFAX. 2021 GMC Yukon XL Denali Onyx Black 4WD 10-Speed Automatic with Overdrive EcoTec3 6.2L V8 4WD, 12-Way Power Seat Adjusters, 15 Diagonal ...

    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: Yes

    Features and Specs:

    16 Combined MPG (14 City/19 Highway)

    Listing Information:

    VIN: 1GKS2JKL2MR208516
    Stock: 25-553
    Certified Pre-Owned: No

    • 98,191 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 7 Seats, 14 City / 19 Hwy MPG
    • Naryan Auto Group (142 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Philadelphia, PA / 142 miles away from New Haven, CT

    Elevate your driving experience with the 2021 GMC Yukon XL Denali, a perfect blend of luxury and performance. Dressed in an elegant Satin Steel Metall...

    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: 1GKS2JKLXMR443889
    Stock: 443889
    Certified Pre-Owned: No
    Listed since: 06-20-2025

    • 93,978 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 8 Seats, 14 City / 21 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Charlotte, NC / 600 miles away from New Haven, CT

    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

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2GKC4KR273450
    Stock: 2004033845
    Certified Pre-Owned: No
    Listed since: 08-29-2025

  • New Listing
    • 96,641 miles
    • No accidents, 3 owners, personal use
    • 7 Seats, 14 City / 20 Hwy MPG
    • Rolls Auto Sales (142 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Philadelphia, PA / 142 miles away from New Haven, CT

    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: 1GKS2HKJ6KR121870
    Stock: 17865
    Certified Pre-Owned: No
    Listed since: 07-22-2025

  • 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.
    • 51,949 miles
    • No accidents, 3 owners, personal use only
    • 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 Dallas, TX / 1,435 miles away from New Haven, CT

    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

    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: 1GKS2HKJ1KR225070
    Stock: 2003853365
    Certified Pre-Owned: No
    Listed since: 07-05-2025

  • New Listing
    $38,998
    fair price
    $2,044 above market
    • 52,368 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 7 Seats, 14 City / 23 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from NM to CT*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Santa Fe, NM / 1,822 miles away from New Haven, CT

    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: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    17 Combined MPG (14 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKJ5KR182551
    Stock: 27452264
    Certified Pre-Owned: No

  • $34,998
    great price
    $6,425 below market
    • 80,008 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 21 Hwy MPG
    • Granite Run Buick GMC (163 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Media, PA / 163 miles away from New Haven, CT

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2GKCXLR305092
    Stock: 25G414A
    Certified Pre-Owned: No
    Listed since: 08-20-2025

  • $25,999
    fair price
    $598 below market
    • 112,259 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Wholesale Outlet Automotive Group (153 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Blackwood, NJ / 153 miles away from New Haven, CT

    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: 1GKS2HKJ1HR389931
    Stock: 10480
    Certified Pre-Owned: No

  • New Listing
    • 71,536 miles
    • 8 Seats, 15 City / 22 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Birmingham, AL / 931 miles away from New Haven, CT

    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:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS1GKC9KR371134
    Stock: 2004073020
    Certified Pre-Owned: No
    Listed since: 09-20-2025

Showing 43 - 63 out of 445 listings

Consumer Reviews for the GMC Yukon XL

Read recent reviews for the GMC Yukon XL
Overall Consumer Rating
4 out of 5 stars42 Reviews
Write a vehicle reviewSee all 42 reviews
  • 5 star
    (62%)
  • 4 star
    (7%)
  • 3 star
    (12%)
  • 2 star
    (7%)
  • 1 star
    (12%)
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 2021 GMC Yukon XL in New Haven, CT Values

Estimated values
2021 GMC Yukon XL SLT 4dr SUV 4WD (5.3L 8cyl 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$33,921$35,774$37,631
Clean$33,434$35,243$37,054
Average$32,623$34,358$36,091
Rough$31,569$33,207$34,840

The average list price of a used 2021 GMC Yukon XL in New Haven, Connecticut is $35,611. The average mileage on a used GMC Yukon XL 2021 for sale in New Haven, Connecticut is 90,550. Based on the average mileage of 90,550 for used 2021 GMC Yukon XL for sale in New Haven, CT 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 2021 in New Haven, Connecticut to be $32,623.

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