Spec Sizes

2018 Ford Focus RS 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.

  • Option225/40R18
  • Option245/30R20
225/40R18Section width 225 mmSidewall ~90 mm(40% of width)Rim 18"225/40R18225 = width40 = aspectR18 = rim
OEM code 225/40R18: section 225 mm · aspect 40% · rim 18"

All confirmed configurations

SizePositionWidthAspectRimLoadSpeed
225/40R18 (run-flat)Front / all2254018"89V
245/30R20 (run-flat)Front / all2453020"90Y