This month Hankook Tire is offering:
You can be eligible to receive either a $40.00 or $60.00 mail-in rebate when you purchase a select set of four (4) Hankook tires now through June 30, 2011. Hankook makes some of the nicest Max Performance All Season and Summer tires - perfect for sports coupes and high-performance sedans (check out some of their consumer reviews).
Tires Eligible for $60 Rebate:
Ventus V12 evo K110
Tires Eligible for $40 Rebate:
Ventus AS RH07
Ventus V4 ES H105
Optimo H727
Michelin is also offering:

When you purchase a set of four (4) new MICHELIN(R) brand passenger or light truck tires you may be eligible to receive a $70 MasterCard(R) Prepaid Card by mail-in rebate. Offer valid on tires purchased between June 16, 2011 and July 13, 2011.
Cooper Tire is also offering:


Get up to a $75 Visa(R) Prepaid Rebate Card by mail when you buy a new set of four (4) qualifying tires.