2015 Subaru WRX Wheel Backspacing
6.17 in · 6.42 in
Quick specs
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 2.0T · 2.0L, FA20, H4, Petrol | 8x17 | 8.5x19 | ET55 | 6.17 in | 235/45R17 / 245/35R19 | 5x114.3 | 56.1 mm | M12 x 1.25 |
| 2.0T · 2.0L, FA20, H4, Petrol | 8.5x18 | 8.5x19 | ET55 | 6.42 in | 245/40R18 / 245/35R19 | 5x114.3 | 56.1 mm | M12 x 1.25 |
Compare wheel position See wheel offset
Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).
Related tools
More on Amazon
LEXIVON 1/2-Inch Drive Click Torque Wrench 25-250 Ft-Lb/33.9-338.9 Nm (LX-184)
Related tool — not a vehicle-fit product.
Check price on Amazon
Wheeler Manual Firearms Accurizing Torque Wrench with Inch/Pounds Measurement, Bits and Storage Case for Scope Mounting, Gunsmithing and Maintenance
Related tool — not a vehicle-fit product.
Check price on Amazon
More specs for the 2015 Subaru WRX
Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.