tirewheelguide

2006 Subaru Impreza WRX STI tire and wheel sizes, bolt pattern and tire pressure

Bolt patterns 5x114.3 (Japan, USA, Europe) or 5x100 (Japan), depending on the market version.

Tires for the 2006 Subaru Impreza WRX STI

Sizes most trims come with first. Open your trim below for its exact size.

  1. 225/45R17 Best-rated standard on 3 trims · Japan, USA, Europe
    Check price on Amazon · 225/45R17
  2. 235/40R18 Best-rated standard on 1 trim · optional on 3 · Japan, USA, Europe
    Check price on Amazon · 235/40R18
  3. 245/40R17 Best-rated optional on 2 trims · USA, Europe
    Check price on Amazon · 245/40R17

Also listed: 245/35R18 235/45R17 235/35R19 255/30R19

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Trims sold in 2006
4
Generation
GD/GG sold in 3 market versions

4 trims sold in 2006

Sold in 3 market versions with different tire sizes and bolt patterns. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Subaru Impreza WRX STI GD/GG

2000–2007 4 trims

Japan

2 trims
Impreza WRX STI 2.0T (GH-GDB) 276 hp · H4 225/45R17 89W 3 fitments
Generation
GD/GG · 2000–2007
Market
Japan
Power
276 hp
Engine
H4, Petrol
Center bore
56.1 mm
Bolt pattern
5x100
Thread
M12 x 1.25
Check price on Amazon · 225/45R17 Wheels 17x7.5 ET55 · 5x100 · 56.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/45R17 89WRim 17x7.5 ET55 5x10033 psi
235/45R17 89WRim 17x7.5 ET53 5x10036 psi
235/40R18 88YRim 18x8 ET53 5x10036 psi

How to read 89W: 89 is the load index (up to 1,279 lb / 580 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Impreza WRX STI 2.0T RA (GH-GDB) 315 hp · H4 235/40R18 89W 3 fitments
Generation
GD/GG · 2000–2007
Market
Japan
Power
315 hp
Engine
H4, Petrol
Center bore
56.1 mm
Bolt pattern
5x114.3
Thread
M12 x 1.25
Check price on Amazon · 235/40R18 Wheels 18x8.5 ET55 · 5x114.3 · 56.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/40R18 89WRim 18x8.5 ET55 5x114.333 psi
235/35R19 88WRim 19x8.5 ET51 5x114.336 psi
255/30R19 89YRim 19x9 ET48 5x114.336 psi

How to read 89W: 89 is the load index (up to 1,279 lb / 580 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Europe

1 trim
Impreza WRX STI 2.5T 276 hp · 2.5L EJ257 H4 225/45R17 91W 4 fitments
Generation
GD/GG · 2000–2007
Market
Europe
Power
276 hp
Engine
2.5L EJ257 H4, Petrol
Center bore
56.1 mm
Bolt pattern
5x114.3
Thread
M12 x 1.25
Check price on Amazon · 225/45R17 Wheels 17x8 ET53 · 5x114.3 · 56.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/45R17 91WRim 17x8 ET53 5x114.333 psi
245/40R17 93WRim 17x8 ET48 5x114.333 psi
235/40R18 91WRim 18x8 ET53 5x114.333 psi
245/35R18 91WRim 18x8.5 ET48 5x114.336 psi

How to read 91W: 91 is the load index (up to 1,356 lb / 615 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET53 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

USA

1 trim
Impreza WRX STI 2.5T 300 hp · H4 225/45R17 91W 4 fitments
Generation
GD/GG · 2000–2007
Market
USA
Power
300 hp
Engine
H4, Petrol
Center bore
56.1 mm
Bolt pattern
5x114.3
Thread
M12 x 1.25
Check price on Amazon · 225/45R17 Wheels 17x8 ET53 · 5x114.3 · 56.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/45R17 91WRim 17x8 ET53 5x114.333 psi
245/40R17 93WRim 17x8 ET48 5x114.333 psi
235/40R18 91WRim 18x8 ET53 5x114.333 psi
245/35R18 91WRim 18x8.5 ET48 5x114.336 psi

How to read 91W: 91 is the load index (up to 1,356 lb / 615 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET53 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2006
4
Generation
GD/GG sold in 3 market versions
Other years
All years (1992–2014)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

Open the size calculator

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