There are 1 owner-reported engine complaints for the 2018 Chevrolet Sparkin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THIS IS A PERIODIC OCCURANCE WHEN GOING STARTING AT 0MPH AT ANY POINT DURING A TRIP. NORMALLY THE ENGINE WILL REV SMOOTHLY BUT THERE ARE TIMES WHEN GOING FROM A COMPLETE STOP TO GETTING TO AT LEAST 30MPH IT FEELS AS IF THE ENGINE IS JUST TAKING IN AIR AND IT JUST REVS UP AND THE CAR STARTS TO ROLL BUT DOESNT ACTUALLY ACCELLERATE PROPERLY AND THIS CAN RESULT IN AN ACCIDENT IF YOU HAVE TO MOVE SUDDENLY TO AVOID BEING HIT. I HAVE THE LT1 MODEL SPECIFICALLY.
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