2017 Subaru WRX STI Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: Multiple — see configurations
Backspacing: Multiple — see configurations
Bolt pattern: 5×114.3
Center bore: 56.1 mm
Thread: M12×1.25
Tire size: Multiple — see configurations

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Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

Configuration

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OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
2.5T · EJ25, H4, Petrol	8.5x18	—	ET55	6.42 in	245/40R18	5x114.3	56.1 mm	M12 x 1.25
2.5T · EJ25, H4, Petrol	8.5x19	11x20	ET55	6.42 in	255/35R19	5x114.3	56.1 mm	M12 x 1.25
2.5T · EJ25, H4, Petrol	9x20	11x20	ET48 / ET55	6.39 in	255/30R20	5x114.3	56.1 mm	M12 x 1.25
2.5T · 2.5L, EJ257, H4, Petrol	8.5x18	8.5x19	ET55	6.42 in	245/40R18 / 245/35R19	5x114.3	56.1 mm	M12 x 1.25
2.5T · 2.5L, EJ257, H4, Petrol	9x20	8.5x19	ET48 / ET55	6.39 in	255/30R20 / 245/35R19	5x114.3	56.1 mm	M12 x 1.25
2.0T (CBA-VAB) · EJ20, H4, Petrol	8.5x19	8x18	ET45	6.02 in	235/35R19 / 245/50R18	5x114.3	56.1 mm	M12 x 1.25
2.0T S207 (CBA-VAB) · EJ20, H4, Petrol	7.5x20	8.5x19	ET65 / ET43	6.31 in	265/25R20 / 265/40R19	5x114.3	56.1 mm	M12 x 1.25

Lug hardware

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OEM baseline

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More specs for the 2017 Subaru WRX STI

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.