The 4th generation of the WRX STI has a cumulative PainRank™ of 0.84. That can be compared against other Subaru generations. Shopping for a Subaru? This generation is generally a good bet.
Owners of the 2015–2016 WRX STI model years have sent in 3 complaints on CarComplaints.com. We've listed the three most common below. Most are about the electrical (33%) followed by the engine (33%) and the wheels (33%).