What size tires are on a 2015 WRX?
The standard tire size for the 2015 Subaru WRX Base is 17 235/45R17. Before 2015, almost all were, minus the STI’s from 2006-2014. In 2015, Subaru went with 5×114. WRX and STI both. To point you in the right direction, any 2014 and prior WRX wheels work.
What size are stock 2015 WRX wheels?
From the factory, the 2015–2021 Subaru WRX rolled out with 17–19” wheels, widths of 8–8. ET55. Like most modern Subarus, it uses a 5×114. The standard tire size for the 2015 Subaru WRX Base is 17 235/45R17.