Problems · by component
2014 Buick Encore engine problems
25 owner complaints to NHTSA about the 2014 Buick Encore cite engine, 42% of all 60 complaints for this model year.
Complaints
25
42% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the engine
Verbatim from NHTSA complaints, newest first
“The car only has 54700 I am orginal owner. Drivers seat does not work, Catalytic converter, GM Service Bulletin #43210. Ask if your VIN is affected or if they’ve seen similar failures in 2014 models. This car is a lemon.”
“Coolant leak and cover gasket failure. Buick has been in the shop multiple times for coolant issues and leaks. Next step is for the shop to remove the entire front end to adequately repair. Constant issue and other complaint relay the same”
“On March 18 , 2025 I purchased a 2014 Buick Encore with an implied warranty, the vehicle had 128,644 miles on the odometer. At the time of purchase the check light was not on and the vehicle had no visible or audible mechanical issues. Not 14 days after purchase there was a strong odor of burning oil due to an oil leak dripping into the splash shield. A certified mechanic advised me that the problem was a very common issue with the 2014 Buick Encore and the oil cooler associated with the turbo charger needed to be replaced. This issue is so common that the NHTSA issued a GM part failure warning for the 2017 model and instructed GM to reimburse all vehicle owners to replace the part (N232395330). This issue clearly a problem that needs to be addressed with the 2014 model as well. My mechanic said that auto dealers are cleaning the splash pad prior to selling the vehicle so that the burning oil smell is not noticeable until 14 days or so after purchase. The repairs cost me $1148.00 just weeks after purchasing the vehicle. This problem of dealers covering up the problem and faulty GM parts needs to be addressed. I believe my vehicle falls under the previous GM…”
“The contact owns a 2014 Buick Encore. The contact stated that while driving at various speeds, the vehicle was hesitant to accelerate and lost power while on an incline. Traction and engine warning light was illuminated The vehicle was taken to an independent mechanic. The contact was informed that the failure was due to the thermostat heater control circuit and a faulty catalytic converter. The vehicle had not been repaired. The manufacturer was not made aware of the failure and determined that the VIN was not included in a recall. The failure mileage was approximately 61,009”
“The contact owns a 2014 Buick Encore. The contact stated that while driving at 25 MPH, the vehicle made an abnormal sound and overheated. The check engine warning light was illuminated. The vehicle was towed to the dealer, who informed the contact that the turbo charger needed to be replaced. The vehicle was repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 109,978.”
“The contact owns a 2014 Buick Encore. The contact stated that while driving at various speeds, the engine revved loudly, but the vehicle hesitated to accelerate. The check engine warning light was illuminated. Additionally, the contact stated that the vehicle shuddered during start-up. The contact also stated that the vehicle shuddered while coming to a stop, then lost motive power. The vehicle was taken to AutoZone Auto Parts, where the diagnostic code P0420 was retrieved, and it was determined that the rear catalytic converter and the oxygen sensor needed to be replaced. The vehicle was not repaired. The dealer was not made aware of the failure. The manufacturer was not made aware of the failure. The failure mileage was approximately 93,000.”
Showing 6 of 25 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.