I own a 2018 GMC Yukon Denali that keeps burning oil. I was told that the light had to be on or the issue had to be duplicated. I did an oil change and 2000 miles later the oil light came on. I was out of town so took picture of dipstick which was bone dry. The dealership GMC of Brandywine had my SUV. I am highly upset because in other states the started a lawsuit bit nothing in MD. If GM knows th…
2018 gmc Yukon engine problems
moderate 18 complaints filed with NHTSA · avg repair $3,100
Complaints
18
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 6 most recent
What component or system failed or malfunctioned, and is it available for inspection upon request? Engine failure due to lifter failure and bent push rod and needed cam replaced. It is available for inspection. How was your safety or the safety of others put at risk? Could have been catastrophic if I didn't bring in for repair if the engine failed completely while driving. Has the problem been re…
2018 Yukon Denali with 37,000 miles has developed a leak in the radiator and needs replaced
I was driving on I75 North, just North of Chattanooga. I was in the Center Lane. I lost all power to the vehicle. The engine stopped. I had no power steering, no power brakes, and was in heavy traffic. I managed to shift lanes and get it to the shoulder of the road. The vehicle was towed in. Diaganostics were completed by a certified mechanic. The engine had seized. GM has several recalls on this …
My 2018 GMC Yukon blew an engine with only 81,000 miles. Had four shops including (2 GM dealerships) look at the vehicle, pictures, and findings and concluded the engine had blown. The vehicle had began running very rough while driving down the road at 45mph. The CEL showed a misfire in cylinder one. The spark plug was pulled and soaked in oil. A borescope was put down the hole and found oil poole…
driving the vehicle on a regular city street when the flashing engine light came on out of nowhere. immediately pulled off and had the vehicle towed to my dealership. result of the inspection, i have to replace my engine. as soon as i started researching the issue it is clear that this truck should be part of the GM recall. it is a known issue that GM slow played for years, but as of now this …
Common questions
How serious is the engine problem on the 2018 gmc Yukon?
It's a documented issue but not catastrophic. 18 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine 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 $3,100 for engine 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 engine?
No active recalls currently cover engine 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.
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