4th Generation (2015—2016) WRX STI Problems

This generations ranks 7th out of 36 Subaru generations in reliability and is one of the safer bets out there. Owners have the most complaints about the electrical (33%), engine (33%), and the wheels (33%). We've listed some of the most recent complaints below, see them all on CarComplaints.com.

  1. Battery Failure 1 complaints at an average of 19,220 miles in the 2016 Subaru WRX STI.
  2. Tires Cupping 1 complaints at an average of 3,800 miles in the 2015 Subaru WRX STI.
  3. A/C Belt Squealing at Cold Start 1 complaints at an average of 5,600 miles in the 2016 Subaru WRX STI.

What WRX STI Year is Most Reliable?

Generations are a good baseline for prediciting reliability, but there will almost always be year-to-year differences. We've calculated a reliability score for each model year within this generation, but we've based that score on how the model year compares to all Subaru model years.

Watch out for the 2016 model year which has the highest PainRank™ score in this generation.

Year Complaints Recalls TSBs PainRank (?)
2016 2 0 53 1.05
2015 1 0 76 0.61

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