The contact owns a 2018 Buick Enclave. The contact stated while stopped at a gas station; after refueling the vehicle, the vehicle was restarted but was unable to shift to drive(D). The contact attempted to shift to reverse(R) and the shift lever failed to respond. The contact stated an unknown warning light was illuminated. The vehicle was towed to a local dealer where it was diagnosed and determ…
2018 buick Enclave powertrain problems
severe 14 complaints filed with NHTSA · avg repair $2,500
What owners are reporting 4 most recent
I PURCHASED A NEW 2018 ENCLAVE IN SEPTEMBER OF 2018. I RECEIVED A RECALL LETTER FOR THE VEHICLE SOMETIME DURING THE SPRING 2019 SO I WENT TO MY DEALER SERVICE DEPARTMENT TO GET IT CHECK AND I WAS TOLD EVERYTHING WAS FINE. THEN IN SEPTEMBER I NOTICED THE CHECK ENGINE LIGHT CAME ON AND THE VEHICLE WOULD NOT ACCELERATE PROPERLY SO I TOOK IT TO THE DEALER SERVICE DEPT. ASAP. THEY TOLD ME THERE WAS AN …
-A few weeks prior to accident, while driving down a 65mph highway in TX, vehicle side mirrors were folding inward. Continued to fold inward after hit button to open them multiple times. Even did this after pulled off highway and stopped/started vehicle and exiting vehicle and locking to try to create a "reset" of system. (Auto folding windows feature in infotainment was NOT selected to be ON bef…
SECOND TIME IN LESS THAN A MONTH ON A 2018 BUICK ENCLAVE THAT AIR CONDITIONING UNIT/EVAPORATOR IN VEHICLE IS NOT WORKING AND VEHICLE IS BLOWING HOT AIR ONLY. THIS OCCURS WHETHER VEHICLE IS IN MOTION OR STATIONARY. THIS HAPPENS WHEN VEHICLE IS FIRST POWERED ON OR OVER AN EXTENDED DRIVE (45 MINS). DOES NOT OSCILLATE WITH CHANGE IN SPEED. DOES NOT OSCILLATE WITH LENGTH OF DRIVE. HOT AIR BLOWS THE ENT…
Common questions
How serious is the powertrain problem on the 2018 buick Enclave?
It's a meaningful issue. 14 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
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.