We don't rate the Scion iA yet, because we don't have its sales figures. The 2016 has the most owner complaints filed with NHTSA (39). Owners complain most about engine & cooling. Popular years get more complaints, so treat these counts as a guide to what goes wrong, not a ranking.
Reliability compares each year with similar cars from 2015 to 2024, using owner complaints filed with NHTSA per car sold. Complaint counts on their own aren't a score: popular cars get more of them.
Questions people ask
What are the most common Scion iA problems?
Owners complain most about engine & cooling, electrical system, airbags & seat belts.
Which Scion iA year has the most recalls?
No Scion iA year has a recall on record with NHTSA.