2008 Subaru Impreza WRX STI Wheel & Tire Sizes
Complete fitment guide for the 2008 Subaru Impreza 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
Wheel Diameters
18"–20"
Factory (OEM) Tire Sizes for the 2008 Subaru Impreza WRX STI
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2008 Subaru Impreza WRX STI Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2008 Subaru Impreza WRX STI configuration.
2.5T · Hatchback, 5d
2.5L · F4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 18–20" |
| Wheel width | 8.5–9.5" |
| Wheel offset | 38–45 mm |
| Tire width | 245 mm |
2008 Subaru Impreza WRX STI Fitment FAQ
What is the bolt pattern on a 2008 Subaru Impreza WRX STI?
The 2008 Subaru Impreza 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 2008 Subaru Impreza WRX STI?
Factory (OEM) tire sizes for the 2008 Subaru Impreza WRX STI include 245/40R18, 245/35R19. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2008 Subaru Impreza WRX STI?
Depending on trim, the 2008 Subaru Impreza WRX STI accepts wheels from 18" 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 2008 Subaru Impreza WRX STI use?
The 2008 Subaru Impreza WRX STI uses M12 x 1.25 lug nuts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.