I looking for both tire to put on my rear!!!! Can everyone give me some suggestion? tks
(245/40/18)- RT-615
(245/40/18)- S. drive

Right now my 8 run stock in front and (225/45/18) S-03 on rear.

And right now Im looking for to put (245/40/18) on rear and put S-03 in front, So RT615 and S.drive which one will be better??? Give some suggestion!!

 

RT-615 is closer in UTQG rating to the S-03.

Why not spend the extra $300 and run a matched set of 4 new tires?

 

you're gonna get massive understeer with stickier AND wider tires in the back

 

There is no s03 on this size in the market!!

 

The Falkens are better than the S03's, I've owned both and have a lot of track experience from both tires. but the Falkens SUCK in the rain

 

keep the s03s in case one of your new tires explodes. or sell them, and buy a matching set.

Take it from someone who owns some, and hates them, S-drives suck *****.
I miss my S-03s, they were much much better.

No opinions on the falkens, but cant be worse than the yokos.

 

I got Falken RT 615's front and back, 245/40/18 and I love them to pieces.

don't mix and match tires. If they aren't wearing evenly in the front to the back, you aren't rotating them often enough. If they dont wear evenly left to right, you need an alignment.