There are 2 owner-reported fuel system complaints for the 2003 Buick Regalin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
OIL LEAKS,05/22/2016. I HAVE DAD SEVERAL HARD BREAKING TIMES -HIGHWAY-AND I HAVE SENSE NOTICED OIL LEAKING AND SMELLED OIL SMOKE FROM ENGINE.I HAD RECALL #15757 BACK IN 02/2016.CALLED ABOUT PARTS TO FIF PROBLEM.THEY SAY THEY CANT GET PARTS,-ON BACK ORDER- BEEN ALMOST 6 MONTHS,STILL NO PARTS.LOUDACROUS.NO EXCUSE.
2003 BUICK REGAL WITH DEFECTIVE IGNITION SWITCH CUSTOMER STATES THAT THIS IS VERY DANGEROUS AND A RECALL SHOULD BE DONE**CC THE CONSUMER STATED WHILE DRIVING, THE VEHICLE LOST ALL POWER AND ALL THE DASH LIGHTS ILLUMINATED. THE CONSUMER STATED THIS DEFECT WAS DUE TO A FAULTY IGNITION SWITCH AND IS A VERY DANGEROUS SAFETY HAZARD. THE CONSUMER STATED A FAULTY FUEL PUMP WAS BAD ENOUGH WITH NO WARNING SIGNS BUT A FAULTY IGNITION SWITCH IS A DANGEROUS DEFECT AND FURTHER STATED HE WOULD LIKE THE DEFECT RECALLED. *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 Apr 25, 2026