Tires, 18” summer-only, run-flat1

  • Optimized for summer driving on dry and wet pavement
  • Designed to provide low noise levels
. 1 Lower profile tires damage more easily; especially on rough roads.  Damage is not covered under warranty.  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 or see your dealer.