Spec Sizes

2006 Cadillac CTS 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.

  • Option225/50R17
  • Option225/50R18
  • Option225/55R16
  • Option245/30R20
225/50R17Section width 225 mmSidewall ~113 mm(50% of width)Rim 17"225/50R17225 = width50 = aspectR17 = rim
OEM code 225/50R17: section 225 mm · aspect 50% · rim 17"

All confirmed configurations

SizePositionWidthAspectRimLoadSpeed
225/50R17 (run-flat)Front / all2255017"94V
225/50R18 (run-flat)Front / all2255018"94W
225/55R16 (run-flat)Front / all2255516"95H
245/30R20 (run-flat)Front / all2453020"90Y