I have a 2014 Scion tC. Tire spec is p225 45 R18. I'm having a hard time around my area finding that specific size tire. So my question is can I put on 235 50R18's on with no problems other than the speeding a bit off? I also have to pass inspection with them and don't wanna waste my money if it won't be passable.


*moved to correct forum by moderator

 

Hello Bubbasparx! Welcome to SL!

The 2015 Chart will be the Same for your 2014.
Yes, it will fit. But, you will have a -4.7% Speedo Error because of the bigger Diameter.

Also Check out the: tC 2G+ Wheel, Tire and Offset Calculator

Personally, I would not go that route. I recently had the replace a tire with the OEM size 225/45R18. That is the only size I would use.
It is pricey but, you find find one online and for less than your local tire dealers.

Your Choice.

MR_LUV