I need 4 new tiers for my 05 MCS and have to decided to replace both wheels and tiers. I am going to buy some Rota p1 18x7.5j et45 wheels but don't know what size tires will be best. What are you guys running? I live in Spain and some of the roads are quite bad so I don't want anything too small. Thanks for the help in advance.

 

I would recommend a 205/40-18 or 215/40-18.

 

I've got a 2005 mcs as well. I've got 215 45 18 tires on it, but 215 40 series or 205 45 series would fit better. Use this tire guide and play around with the aspect ratio and width and check availability in that tire size.

http://www.tacomaworld.com/forum/tirecalc.php
or this one
http://www.rimsntires.com/specs.jsp