2020 Buick Encore UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
On 4/24/25 I noticed a pungent odor (like rotten eggs). The odor is worse today. I did research and it appears there may be a problem and or leak with the catalytic converter. The emissions are making me and my kids feel sick, nauseous, headache, irritated eyes, etc.
Trend Over Time
Complaints by year
Other Issues
Common problems reported
Quick Summary
The 2020 Buick Encore has 1 UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM complaints on file. Review the timeline above for detailed owner experiences.