Used 2021 GMC Yukon Consumer Reviews
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Never ending problems 2021 GMC Yukon Denali !
Nancy, 04/16/2021
updated 06/23/2022
2021 GMC Yukon Denali 4dr SUV 4WD (6.2L 8cyl 10A)
28 of 29 people found this review helpful
Bought my 2021 Yukon Denali on October 2020. It’s already been to the service 5 times and on Monday it’s going back . They even kept it there almost 30 days one time . Had electrical problems which included the electrical harness and the module and one part was not available. After over 20 days they got the part only to find another electrical part was not working. This also caused rear seat entertainment to not work . And now the rear seat entertainment only works when it feels like it . Still not fixed ! Another issue i keep getting SD Card has been removed which it hasn’t . This causes my navigation not to work . Took it again to dealership service dept and was told SD card works fine. Message popped in and out now it’s just there. Also every time i wash my vehicle the water stays on roof swishes on roof . It doesn’t drain properly. Took it twice they say it’s fine. They finally ordered new part to replace the tubes so hoping it works. It’s going back to the service dept for who knows how long this time . It’s a shame for such a beautiful and very expensive vehicle to have so many problems ! Come on GMC do better and fix all these issues! I’m paying a lot of money for my vehicle to be at the repair shop longer than it is with me ! Shame !! I would recommend anyone looking to buy a GMC Yukon Denali , get something else or maybe stay away from the 2021 model. I traded my 2018 Yukon Denali for the 2021. I truly regret it! The 2018 didn’t give me any problems. Edit : Fast forward to June 2022 and new problem arose on sept 2021. It’s using oil but no leaks. After oil change after 1000 miles it lost 2 qt dealership added oil . Then again lost 1 qt after 1000 miles . I keep getting warning message low oil add oil ! So annoying . I bought a piece of junk. I have to keep going to dealership every 1000 miles so they can document ! But apparently GMC says it’s normal to use up oil. My 2018 Yukon GMC never did this .
Engine Failure
Hotspur23, 08/23/2021
2021 GMC Yukon SLT 4dr SUV 4WD (5.3L 8cyl 10A)
14 of 14 people found this review helpful
Great vehicle when it's not in the shop. There is a known issue with the 5.3L and 6.2L engine lifters that cause bent rods and engine failure. The fanboys will tell you this is an isolated occurance...it's not. This mainly effects Yukons built before April 1st 2021. Problem is mine was built after that date and has the same issue. The forums give a very grim view of GM's ability to fix this issue as "fixed" engines have also failed. I still love my Yukon, I just don't trust it anymore after if left me stranded and it had to be towed.
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2021 GMC Yukon for sale near you
3 of 41 listings
- Denali 4dr SUVMSRP: $51,99512 mi away
- Denali 4dr SUVMSRP: $60,99815 mi away
- SLT 4dr SUVMSRP: $44,99524 mi away
See all 41 listings
Engine Failure at 9000 Miles
Mike, 01/16/2021
2021 GMC Yukon Denali 4dr SUV 4WD (6.2L 8cyl 10A)
38 of 42 people found this review helpful
The Yukon was originally delivered with a cracked windshield. Then at 3000 miles a light came up because there was apparently next to no oil. So, not a great start... Today, at 9000 miles, it left us stranded in the middle of the road. Engine would not fire. Tow truck driver saud they've been towing the new Yukon left and right lately. GM charges Mercedes pricing with none of the quality and certainly none of the benefits and perks.
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Do not purchase until issues are worked out
Crystal, 05/09/2021
2021 GMC Yukon SLT 4dr SUV (5.3L 8cyl 10A)
10 of 10 people found this review helpful
I purchase new vehicles often. I’ve had every make/model car you can own. So I decided to try a Yukon GMC for first time. Issues every other day. Car wouldn’t fire, car broken into and no windows in stock to replace, 3rd row headrests have been out of commission for 6 months. I feel unsafe at this point. In addition, the interior seating is cheaply made and the exterior rear and doors are not even medal. Apple play and wifi frequently miscommunicate and makes radio stations not work. Lights are constantly going off and my video camera stays on 90% of the time thinking I’m hitting something while driving. The electrical system needs to be revamped. Purchased new in July 2020 and already 7 recalls. Dear seatbelts don’t work. This car is a COMPLETE DISASTER . Will never purchase. GMC vehicle again.
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I bought a DEFECTIVE 2021 Yukon Denali
T. Elvis, 12/27/2020
2021 GMC Yukon Denali 4dr SUV 4WD (6.2L 8cyl 10A)
23 of 26 people found this review helpful
I purchased my GMC 2021 Yukon Denali in the first or second week of October 2020. I put a lot of money down on the vehicle. From the time I drove it off the lot I immediately called my salesperson Josh and told him the CarPlay was not working. Every time I made a call it’ll start making a bizarre sound randomly during the call. All suggestions, service Dept, no one could fix this issue. Currently, (12-27-2020) I’m in the process of returning the truck. GM now wants to bring in their technicians to look it over before they issue a refund. In addition, the rear entertainment is whacky. And the navigation system, separate from CarPlay, was way off for some time (4-5 days) but then “fixed itself”. It would read speed signs, location, roads, etc incorrectly. It did this for about a week recently in December 2020. Still don’t know what it was about. I’ve sent proof of ALL these occurrences and still no fix/repair to this day. If anyone can get this issue resolved immediately please reach me at norhet@gmail.com. Thank you!
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