Used 2018 GMC Yukon XL Consumer Reviews
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We have a limited number of reviews for the 2018 Yukon XL, so we've included reviews for other years of the Yukon XL since its last redesign.
XL for empty nesters
Robert Bob, 02/10/2017
updated 02/20/2020
2016 GMC Yukon XL Denali 4dr SUV (6.2L 8cyl 8A)
36 of 37 people found this review helpful
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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Dependable, easy to drive, never a problem.
LCH, 05/09/2018
2018 GMC Yukon XL SLE 4dr SUV (5.3L 8cyl 6A)
15 of 15 people found this review helpful
I've owned this car for 4 years and it's been, by far, the most reliable car I've ever had. Not one problem. I bought it specifically for the space. It replaced a Ford Excursion, which was large, but gave me nothing but problems. The Yukon is sightly more difficult for me to park, but aside from that, it's a terrific family car. I highly recommend bucket seats in the second row: you'll want to keep this car long after the kids get big and they eventually won't like climbing over the seat. Adults fit just fine in the third row (wouldn't be my first choice, but it will do in a pinch). The only down side is that you'll be stuck driving for every out-of-town trip.
Electrical nightmare / general poor reliability
Mike, 05/27/2018
updated 11/29/2021
2016 GMC Yukon XL Denali 4dr SUV 4WD (6.2L 8cyl 8A)
11 of 11 people found this review helpful
Over 15 visits to repair electronics. Random faults would appear and had to replace electrical harnesses in the first year. Replaced front wheel bearings after less than 1 year. Continual reprogramming of software. Electronic transmission was erratic and took 3 times to repair. For almost $80K very disappointed. Traded fo Infiniti QX 80
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My3rd Large GM SUV is most expensive and worst yet
J, 02/24/2018
2017 GMC Yukon XL Denali 4dr SUV 4WD (6.2L 8cyl 8A)
17 of 18 people found this review helpful
This is my 3rd Large GM SUV after having a 2001 Tahoe and 2012 Suburban (both of which I love) and owning it has been an absolute nightmare. I've had 6 different warranty issues and the car has spent 21 of the first two months I owned it in Dealership service for warranty work. If I could give "0" stars I would. Issues have been paint related in three areas, a recurring steering column scratch, a water leak in the rear hatch, an electrical short causing the doors not to lock, a squeak in the rear of the vehicle, and a kinked trim piece in the steering wheel assembly. Three of the issues still exist and I am pursuing lemon law protection. I've reached out to GMC multiple times who have not been able to provide any meaningful support. Steer clear - GM quality has taken a steep decline. In my experience dealerships are unwilling or unempowered to help and GM Corp doesn't appear to be willing to stand behind their product. This has been the most regrettable purchase of my life.
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Think twice!
Caleb Rutledge, 11/06/2017
2016 GMC Yukon XL Denali 4dr SUV 4WD (6.2L 8cyl 8A)
22 of 24 people found this review helpful
We bought this vehicle because we love the yukon Denali's. We replaced a 2009 Denali. Unfortunatly the price does not reflect the quality. We paid just under $85,000 out the door for our loaded Denali XL. We knew going in that there could be transmission problems because of other reviews. What we didn't know is that everything in this vehicle is cheaply made. It shows nice but is only "skin deep", and it has very thin skin. We are very disappointed in almost ever aspect of this vehicle, when you pay $85k for a vehicle you have certin expectations. It is on it's way back to the dealership for it's 3rd warranty work, on the engine ( same 6.2 from 2007-2014 ) we don't even mention the deterioating leather and low quality of materials to thhe dealer. Oh and the Yukon only has 21,000 miles so far. We are planning on selling it at this point, probably go to Toyota, BMW, or Mercedes-Benz for quality, GMC isn't cutting it for the price tag they want.
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