Spec Sizes

2018 Subaru WRX Tire Size

Confirmed OEM tire sizes for this model year. Multiple sizes may apply depending on trim and wheel package — all catalog options are listed.

  • Option235/45R17
  • Option245/35R19
  • Option245/40R18
235/45R17Section width 235 mmSidewall ~106 mm(45% of width)Rim 17"235/45R17235 = width45 = aspectR17 = rim
OEM code 235/45R17: section 235 mm · aspect 45% · rim 17"

All confirmed configurations

SizePositionWidthAspectRimLoadSpeed
235/45R17 (run-flat)Front / all2354517"91V
245/35R19Front / all2453519"——
245/40R18 (run-flat)Front / all2454018"96W