18" performance summer-only run-flat tires

  • P245/40R18 in the front and P275/35R18 in the rear
  • Run-flat performance tires1 are optimized for summer driving on dry and wet pavements

1 Do not use summer only tires in winter conditions, as it would adversely affect vehicle safety, performance and durability. Use only GM-approved tire and wheel combinations. Unapproved combinations may change the vehicle's performance characteristics. For important tire and wheel information, go to www.cadillacaccessories.com or see your dealer.