Spec Sizes

2006 Ford GT 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.

  • Rear235/45R18
  • Rear255/30R20
235/45R18Section width 235 mmSidewall ~106 mm(45% of width)Rim 18"235/45R18235 = width45 = aspectR18 = rim
OEM code 235/45R18: section 235 mm · aspect 45% · rim 18"

All confirmed configurations

SizePositionWidthAspectRimLoadSpeed
235/45R18Rear2354518"88Y
255/30R20Rear2553020"102V