There are 2 owner-reported fuel system complaints for the 2012 Chevrolet Sonicin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
MY MOTHER STATED THAT SHE WAS SITTING STILL AT A RED LIGHT WAITING FOR IT TO TURN GREEN WHEN OUT OF NO WHERE THE ENGINE REVVED UP AND THE CAR LUNGED FORWARD CAUSING HER TO STRIKE THE CAR THAT WAS IN FRONT OF HER. SHE MANAGED TO STEERING AROUND THAT CAR AND BRING THE CAR TO A STOP. SHE AND MY SISTER TOLD ME THIS IS NOT THE FIRST TIME THIS HAS HAPPENED. BOTH TIMES THE CAR WAS STANDING STILL AND HER FEET WERE ON THE BRAKES.UPDATED 06/03/14 *BF *TR
A BAD SMELL LIKE ROTTEN EGGS, KEEPS COMING OUT OF THE AC/C VENTS AND THE ENGINE OF THE CAR. I CHANGED THE AIR FILTER AND EVERYTHING BUT NOTHING HAPPEN THE SMELL DOES NOT GO AWAY. *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