2019 Subaru WRX STI Wheel Backspacing

6.39 in · 6.42 in · 5.92 in · 6.02 in · 5.69 in · 7.06 in · 6.47 in · 6.59 in

Quick specs

Backspacing
6.39 in · 6.42 in · 5.92 in · 6.02 in · 5.69 in · 7.06 in · 6.47 in · 6.59 in
Wheel size
Multiple — see configurations
Bolt pattern
5×114.3
Tire size
Multiple — see configurations

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
2.5T · EJ25, H4, Petrol9x208.5x19ET48 / ET556.39 in255/30R20 / 245/35R195x114.356.1 mmM12 x 1.25
2.5T · 2.5L, EJ257, H4, Petrol8.5x188.5x19ET556.42 in245/40R18 / 245/35R195x114.356.1 mmM12 x 1.25
2.5T · 2.5L, EJ257, H4, Petrol9x208.5x19ET48 / ET556.39 in255/30R20 / 245/35R195x114.356.1 mmM12 x 1.25
2.0T (CBA-VAB) · EJ20, H4, Petrol7.5x19ET555.92 in225/40R195x114.356.1 mmM12 x 1.25
2.0T (CBA-VAB) · EJ20, H4, Petrol8.5x20ET456.02 in255/35R205x114.356.1 mmM12 x 1.25
2.0T (CBA-VAB) · EJ20, H4, Petrol8x19ET435.69 in275/30R195x114.356.1 mmM12 x 1.25
2.0T RA-R (CBA-VAB) · EJ20, H4, Petrol9x19ET657.06 in225/40R195x114.356.1 mmM12 x 1.25
2.0T RA-R (CBA-VAB) · EJ20, H4, Petrol9x20ET506.47 in255/45R205x114.356.1 mmM12 x 1.25
2.0T S208 (CBA-VAB) · EJ20, H4, Petrol7.5x19ET555.92 in265/35R195x114.356.1 mmM12 x 1.25
2.0T S208 (CBA-VAB) · EJ20, H4, Petrol9x19ET536.59 in235/30R195x114.356.1 mmM12 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).

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More specs for the 2019 Subaru WRX STI

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.