FaultScore

Subaru Impreza STI problems

Owners have filed 53 complaints about the Subaru Impreza STI with NHTSA across model years 2008 to 2009. More of them are about the engine & cooling than anything else.

Every Subaru Impreza STI year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

08 09
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2009 4 0 0 Engine & Cooling
2008 49 3 0 35,556 Engine & Cooling

What breaks on a Subaru Impreza STI

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Engine & Cooling 19 35.8%

Worst in 2008

Transmission & Drivetrain 11 20.8%

Worst in 2008

Brakes 6 11.3%

Worst in 2008

Body & Structure 6 11.3%

Worst in 2008

Airbags 5 9.4%

Worst in 2008

Acceleration & Cruise Control 2 3.8%

Worst in 2008

Other & Unspecified 2 3.8%

Worst in 2008

Electrical System 1 1.9%

Worst in 2008

Lights 1 1.9%

Worst in 2008

Complaints filed over time

Every complaint about every Subaru Impreza STI, by the month it reached NHTSA.

Jun 2009 peak 8 Aug 2018

Compare the Subaru Impreza STI

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.