Look at reviews on tire rack.
Decide if you want an all season or a summer tire.
The Sumitomo HTR Z III is on tire rack, 75 for 215/45, 81 for 225/45
http://www.tirerack.com/tires/tires....odel=HTR+Z+III
Testing Value-Priced Max Performance Summer Tires
http://www.tirerack.com/tires/tests/testDisplay.jsp?ttid=149
Comparing Popular High Performance All-Season Tires
http://www.tirerack.com/tires/tests/testDisplay.jsp?ttid=221