18-inch road and track
- Front and rear
- 18 × 8.5 inch, ET42 · 245/40 R18
Threepiece documents Fifteen52 Turbomac wheels with H&R lowering springs and no reported arch modifications on the featured car.
2016–2018 · hatchback
Ford Focus RS Mk3 wheel fitment
The Mk3 Focus RS has a square factory 19-inch package and large front Brembo brakes. Brake-clearing 18-inch wheels are common for road and track use, with wider 19-inch options available from RS-specific wheel suppliers.
5x108 bolt pattern · 63.4 mm centre bore · Stock wheels: 19 × 8, 18 × 7.5 inch · Stock tyres: 235/35 R19, 225/40 R18
Updated 2026-10-04 · High source confidence. Check your exact trim and market. How we check specs
Quick specs
| Specification | Value |
|---|---|
| Bolt pattern | |
| Stock tyre sizes | |
| Centre bore | 63.4 mm |
| Fastener and thread | Wheel nut, M12x1.5 |
| Tightening torque | 135 Nm (confirm in your handbook) |
Stock wheels and tyres
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 |
|---|---|---|---|
| RS, cast or optional forged 19-inch | Front and rear | 19 × 8 inch, ET50 | 235/35 R19 |
| RS, regional factory winter package | Front and rear | 18 × 7.5 inch, ET50 | 225/40 R18 |
Explained in our guides
Read these before choosing wheels for the Focus RS: they explain the offset, fitment and hub numbers in this guide.
- Wheel offset explained: choosing ET without guessingUnderstand positive and negative wheel offset, calculate inner clearance and outer position, and choose an ET using measurements from your own car.
- Flush, poke and tucked fitment: measure the whole tyreUnderstand flush, poked and tucked wheels, calculate how width and offset change the look, and check clearance beyond a parked side-on photograph.
- Hub-centric vs lug-centric wheels: choosing hub ringsLearn what hub rings do, how to specify their inner and outer diameters, and why centring, wheel seats and vibration need separate checks.
Popular community setups
Starting points for a build. Read the notes with each setup, especially if your car is lowered or has different brakes.
19-inch wider square
- Front and rear
- 19 × 9.5 inch, ET42 · 265/30 R19
Project 6GR documents this tyre size on its RS-specific wheel without spacers at standard ride height. The claim depends on that wheel design and should not be transferred to every 19x9.5 wheel.
Width and offset guidance
Offset range
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.
Common width limit
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.
Clearance notes
- Ford gives 135 Nm for wheel nuts. Retailer figures of 100 lb ft are the rounded imperial equivalent.
- Brake clearance depends on the inner barrel and spoke shape. A matching bolt pattern and diameter alone are insufficient.
- Use the same tyre size on all four wheels, as in the documented factory and aftermarket packages.
- The 18-inch factory winter package was market-dependent; confirm approval for the particular vehicle.
- Check full steering lock and suspension travel with the car loaded. Match wheel load rating, tyre load and speed ratings, fastener seats and brake clearance.
See it on your car.
Upload a photo and start with a look that suits the Focus RS. Try the wheels, colour and stance before you spend on parts.
An AI preview shows the look. It cannot verify physical fitment.
Run the numbers
These tools start with the RS, cast or optional forged 19-inch front size. Choose your own trim or axle in the calculator if it differs.
Questions
What is the Mk3 Focus RS bolt pattern?
It is 5x108 with a nominal 63.4 mm centre bore and M12x1.5 wheel nuts.
Can I use 18-inch wheels on a Focus RS?
Yes. The factory offered a regional 18-inch winter package, and documented aftermarket 18-inch designs clear the Brembo brakes. Confirm the exact wheel application.
Can 265 tyres fit the Focus RS?
Project 6GR documents 265/30 R19 on its 19x9.5 ET42 RS-specific wheels at standard ride height, without spacers.
What size tyres does the Ford Focus RS Mk3 have?
Factory tyre (tire) sizes for the 2016–2018 Ford Focus RS Mk3 are 235/35 R19 and 225/40 R18, depending on trim. Your tyre placard shows the size for your car.
What wheel size does the Ford Focus RS Mk3 use?
Factory wheels are 19 × 8 inch and 18 × 7.5 inch, depending on trim. The stock table lists the offset for each.
What is the Ford Focus RS Mk3 centre bore?
63.4 mm. Aftermarket wheels with a larger bore need hub-centric rings sized to it.
What is the Ford Focus RS Mk3 wheel nut torque?
135 Nm (about 100 lb-ft) for the original nuts. Confirm in your handbook, especially with aftermarket wheels or nuts.
Specs checked against
- Ford Focus RS and ST owner handbook
- Project 6GR RS wheel testing and factory specifications
- Threepiece Focus RS hardware and build examples
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.
Related cars
More guides from Ford or cars with the same bolt pattern. A matching pattern alone does not make a wheel interchangeable.