There are 1 owner-reported engine complaints for the 2009 Porsche 911in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I AM FILING THE REPORT OUT OF CONCERN FOR SAFETY, NOT ONLY OF MYSELF AND FAMILY, BUT OTHERS ON THE ROAD. THE FAILURE OF THE COOLANT LINES WOULD DISPERSE COOLANT RAPIDLY ONTO THE ROAD CAUSING EXTREME SLIPPERY CONDITIONS CREATING A SITUATION WHERE THE VEHICLE WOULD BE UNCONTROLLABLE. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on May 4, 2026