2015 Subaru WRX STI Wheel & Tire Sizes
Complete fitment guide for the 2015 Subaru WRX STI: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x114.3 bolt pattern, for every trim.
Bolt Pattern
5x114.3
Centre Bore
56.1 mm
Lug nuts
M12 x 1.25
Torque: 120 Nm
Wheel Diameters
19"–20"
Factory (OEM) Tire Sizes for the 2015 Subaru WRX STI
OEM sizes
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2015 Subaru WRX STI Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2015 Subaru WRX STI configuration.
2.5T · Saloon
H4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 19–20" |
| Wheel width | 8.5–9.5" |
| Wheel offset | 30–40 mm |
| Tire width | 245–255 mm |
2015 Subaru WRX STI Fitment FAQ
What is the bolt pattern on a 2015 Subaru WRX STI?
The 2015 Subaru WRX STI uses a 5x114.3 bolt pattern (5 lug nuts on a 114.3 mm circle) with a 56.1 mm centre bore.
What size tires fit a 2015 Subaru WRX STI?
Factory (OEM) tire sizes for the 2015 Subaru WRX STI include 245/40ZR18, 255/35ZR19, 255/30ZR20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2015 Subaru WRX STI?
Depending on trim, the 2015 Subaru WRX STI accepts wheels from 19" up to 20" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2015 Subaru WRX STI use?
The 2015 Subaru WRX STI uses M12 x 1.25 lug nuts, torqued to 120 Nm.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.