2000–2007 · saloon
The GD STI commonly retains 17-inch wheels for road and track use. The change from 5x100 to 5x114.3 hubs during this generation makes the exact market and model year essential when ordering wheels.
5x100 / 5x114.3 bolt pattern · 56.1 mm centre bore · Stock wheels: 17 × 7.5, 17 × 8 inch · Stock tyres: 225/45 R17
Updated 2026-10-04 · Medium source confidence. Check your exact trim and market. How we check specs
| Specification | Value |
|---|---|
| Bolt pattern | |
| Stock tyre sizes | |
| Centre bore | 56.1 mm |
| Fastener and thread | Wheel nut, M12x1.25 |
| Tightening torque | Confirm in your handbook |
Factory options vary by trim and market. Match your car to the row below and check its tyre placard before using it as a baseline.
| Trim | Axle | Wheel | Tyre |
|---|---|---|---|
| Early GD STI / US 2004, 5x100 | Front and rear | 17 × 7.5 inch, ET53 | 225/45 R17 |
| Later GD STI / US 2005–2007, 5x114.3 | Front and rear | 17 × 8 inch, ET53 | 225/45 R17 |
Read these before choosing wheels for the Impreza WRX STI: they explain the offset, fitment and hub numbers in this guide.
Starting points for a build. Read the notes with each setup, especially if your car is lowered or has different brakes.
Apex lists this as a direct fit for the US 2004 STI, using its brake-compatible wheel designs. Order the correct hub drilling; the cited guide specifically covers the early hubs.
Apex documents this ARC-8 / ML-10RT combination for the US 2004 STI. Extra negative camber can be needed with broad-shouldered tyres or lowered suspension.
Check the exact setup
There is no confirmed range for this car yet. Compare a known wheel with your proposed size and measure both sides.
Measure before ordering
A maximum width has not been confirmed. Tyre shape, ride height and alignment all change the available space.
These figures belong to the setups described here. Combining the widest wheel with either end of the offset range does not guarantee a safe fit. For how ET moves the wheel in and out, read wheel offset explained; for how far the tyre can sit out, see flush, poke and tucked fitment.
Upload a photo and start with a look that suits the Impreza WRX STI. Try the wheels, colour and stance before you spend on parts.
An AI preview shows the look. It cannot verify physical fitment.
These tools start with the Early GD STI / US 2004, 5x100 front size. Choose your own trim or axle in the calculator if it differs.
Both exist. The US 2004 STI is 5x100, while US 2005–2007 cars are 5x114.3. Check the build specification and hubs on imports.
Yes. Factory STI wheels are 17 inches, and compatible aftermarket designs exist. PCD and diameter alone do not guarantee spoke clearance.
Apex documents 245/40 R17 on ET42 wheels for the 2004 5x100 STI, with extra camber sometimes needed.
Not automatically. Ordinary GD WRX wheels are commonly 5x100, while the later STI uses 5x114.3, and brake clearance also differs.
5x100 / 5x114.3, with a 56.1 mm centre bore and M12x1.25 wheel nuts. Check the exact model year and market in the guide.
Factory wheels are 17 × 7.5 inch and 17 × 8 inch, depending on trim. The stock table lists the offset for each.
56.1 mm. Aftermarket wheels with a larger bore need hub-centric rings sized to it.
This guide is a starting point, not a fitment guarantee. Specs can differ by market, trim and previous modifications. Confirm all sizes, clearances and fastener requirements with a qualified wheel and tyre professional before buying or fitting parts.
More guides from Subaru or cars with the same bolt pattern. A matching pattern alone does not make a wheel interchangeable.