There are 3 owner-reported engine complaints for the 2016 Porsche Macanin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Coolant Y pipe leak
Y shaped plastic Coolant line cracks and leaks do to manufactures poor choice of materials! Resulting in engine overheating, and sever loss of coolant! Spraying entire engine compartment under hood white dried up coolant over spay spots with empty coolant reservoir and no heat. You would think that line would be made from an aluminum as it beads to with stand high heat temperatures from being against and engine.
THE EMERGENCY INDICATOR CAME ON WHILE I WAS OPERATING MY CAR. IT SAYS THE CAR IS TOO HOT. PULL OVER TO COOL DOWN' WHILE DRIVING IN A HIGHWAY. NO PRIOR INDICATION BEFORE THIS WARNING. WHITE SMOKE WAS COMING OUT OF THE HOOD WHEN I PULLED OVER OFF THE HIGHWAY. THEN, INDICATOR SAYS 'LOW COOLANT. FILL COOLANT.'
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