I am writing to formally file a complaint regarding a serious and ongoing issue with my vehicle that has placed my safety at risk and resulted in significant inconvenience and financial burden due to General Motors’ failure to honor my warranty in a timely manner. While driving on the highway, my vehicle suddenly began losing power and displayed flashing warning messages indicating that it would …
2023 gmc Yukon XL powertrain problems
moderate 30 complaints filed with NHTSA · avg repair $2,500
Complaints
30
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 5 most recent
Engine oil level drops significantly well before the oil change interval. Vehicle consumes excessive oil without warning lights or leaks. Risk of engine damage or failure if oil level is not closely monitored. Condition discovered during normal use.
Vehicle has 56000 miles currently and at 47000 transmission had to be replaced due to defective valve body. At 56000 miles, motor was replaced due to broken lifter. The vehicle currently will not start.
While driving the vehicles went into limp mode with a transmission issue. Vehicle was towed to the dealership where I was informed the transmission body valve has failed. Vehicle has been out of service for 3 week so far, still not fixed.
On May 23, 2025, I purchased a 2023 GMC Yukon XL VIN: [XXX] from the GMC dealership. At the time of sale, I specifically asked about the active GM engine recall. They assured me the vehicle had been inspected and was unaffected. On October 30, 2025, the engine catastrophically failed on a highway while my family — including my two small children — were in the vehicle. This created a dangerous em…
Common questions
How serious is the powertrain problem on the 2023 gmc Yukon XL?
It's a documented issue but not catastrophic. 30 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
Some links on this page are affiliate links.