There are 5 owner-reported fuel system complaints for the 2011 Buick Regalin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I NOTICED THAT THE CAR WAS RESISTING ACCELERATION A LITTLE BIT, HAVE 48,545 MILES ON IT AND TOOK IT FOR OIL CHANGE WITH FUEL INJECTION CLEANER AND FULL TANK OF GOOD GAS. GOT ON HIGHWAY AND THE ACCELERATION DIED COMPLETELY AND NO GAS WAS GETTING THROUGH, LIKE FLOORING IT IN NEUTRAL. PULLED OFF THE SIDE AND IT RESTARTED BUT CONTINUED DYING ALONG THE WAY IF I TRY TO ACCELERATE.
2011 BUICK REGAL. CONSUMER WRITES SEEKING REIMBURSEMENT FOR VEHICLE REPAIRS. *LD THE CONSUMER STATED NOISES COULD BE HEARD COMING FORM THE ENGINE COMPARTMENT. THE DEALER WAS NOTIFIED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE PERSISTED. IT WAS LATER DETERMINED INITIALLY, THE FUEL PUMP NEEDED TO BE REPLACED, BUT WAS NOT. VEHICLE WAS REPAIRED. *JS
2011 BUICK REGAL. CONSUMER WRITES IN REGARDS TO FAULTY DIRECT IGNITION HIGH PRESSURE FUEL PUMP. *LD THE CONSUMER STATED HE WAS ADVISED THAT HIS VEHICLE HAD THE SAME IGNITION HIGH PRESSURE FUEL PUMP THAT RESULTED IN A RECALL FOR GMC VEHICLES. THE CONSUMER BELIEVED HIS VEHICLE SHOULD BE INCLUDED IN THE RECALL. UPDATED 05/03/2017*JS
VEHICLE CONTINUALLY STALLED AND DIED AT RED LIGHTS, STOP SIGNS, OR WHEN SLOWING FOR TURNING VEHICLES. TOOK VEHICLE TO DEALERSHIP AND WAS TOLD THAT IT WAS NOT SERIOUS AND WAS SCHEDULED FOR REPAIR 2 DAYS LATER. DIAGNOSED AS CAMSHAFT INDICATOR. CURRENT RECALL OUTSTANDING ON SOME 2011 BUICK REGALS BUT NOT ALL. HOWEVER, BASED ON RESEARCH ON BUICK SERVICE WEBSITE, IT APPEARS TO BE WIDESPREAD PROBLEM AND WAS DANGEROUS CONSIDERING MY VEHICLE DIED AT AN EXIT RAMP LEAVING THE INTERSTATE.
WHEN I FILLED THE BUICK REGAL WITH GAS AND AT SPEEDS 45MPH AND UP, YOU START TO SMELL GAS FUMES INSIDE THE VEHICLE. IT'S COLD OUT SO THE WINDOWS ARE UP AND ON TWO OCCASIONS, AFTER I GOT TO WORK I WAS DIZZY AND LIGHT-HEADED AND MY HEART WAS POUNDING. TWO CO-WORKERS WOULDN'T LEAVE MY SIDE UNTIL MY HEAD CLEARED. THEY THOUGHT I WAS HAVING A HEART ATTACK OR SOMETHING, BUT MY HEART AND HEAD FINALLY CLEARED. I'M SCARED TO DRIVE IT AND I WORK AN HOUR AWAY AND MAY CAUSE AN ACCIDENT. *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 26, 2026