245/40ZR20 front and 275/35ZR20 rear blackwall, summer-only run-flat tires

  • 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, see your dealer.
. * May require additional optional equipment.