2018 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

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, Petrol9x179.5x19ET55 / ET586.67 in245/40R17 / 265/40R195x114.356.1 mmM12 x 1.25
2.0T (CBA-VAB) · EJ20, H4, Petrol8x189.5x19ET50 / ET585.97 in245/25R18 / 265/40R195x114.356.1 mmM12 x 1.25
2.0T RA-R (CBA-VAB) · EJ20, H4, Petrol8x179x18ET505.97 in245/50R17 / 275/35R185x114.356.1 mmM12 x 1.25
2.0T S208 (CBA-VAB) · EJ20, H4, Petrol7.5x209.5x21ET65 / ET436.31 in265/35R20 / 265/20R215x114.356.1 mmM12 x 1.25

Wheels and hardware

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Lug hardware

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  • White Knight 5306 Chrome M12x1.25 OEM Factory Style Mag Lug Nuts, 4 Pics

    M12 x 1.25

    Matches M12 x 1.25 thread — confirm wheel seat style

    Check price on Amazon
  • White Knight 1706S-20AM Chrome M12 x 1.25 Bulge Acorn Lug Nut

    M12 x 1.25

    Matches M12 x 1.25 thread — confirm wheel seat style

    Check price on Amazon
  • White Knight 3806XL-25AM Chrome M12x1.25 Spike Lug Nuts

    M12 x 1.25

    Matches M12 x 1.25 thread — confirm wheel seat style

    Check price on Amazon

Wheel locks

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Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

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More specs for the 2018 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.