I am about to order full set of tires for my 02 ES300 with 110k miles. I am on a budget...kinda... and i think i am going with standard all season tires. now question is... tire UTQG is 620 A B, does this A and B really matter? temperature A and B make any difference? I live in Chicagoland if it helps.

 

What specific tires are you going with & in what size?

This might help with the actual tire grade question...

http://www.tirerack.com/tires/tirete...jsp?techid=48&

 

i am going with Yokohama TRZ 215-60-16 UTQG reads 700 A B, what ya think?

 

It's a T speed rated tire.....that might be a tad soft for your ES in the handling department....but a very decent overall choice.