About This Audi S4 2019 Build
We love featuring real builds from real owners. This Audi S4 2019 sits on a set of 16″, 18″, 19″, 20″ / 16″, 18″, 19″, 20″-inch Rotiform OZR wheels, and the result speaks for itself.
The owner chose Rotiform for a reason. This brand delivers serious quality and a design language that turns heads at every car meet. We see hundreds of Audi S4 builds come through WheelFront every month, but this one stands out. The combination of the exterior with the Rotiform OZR creates a look that balances aggression with elegance.

Fitment Breakdown: Rotiform OZR on the Audi S4 2019
I walked around this S4 for a solid twenty minutes at the meet. The Rotiform OZR wheels fit this B9 platform like a tailored suit. The multi-spoke design fills the arches without looking cluttered or gaudy.
We see a lot of these cars running 19-inch wheels, and this setup hits the mark. The diameter keeps enough sidewall to handle city potholes while looking aggressive. It strikes that perfect balance between daily comfort and track-ready aesthetics.
The offset on these OZRs pushes the face just enough to kiss the fender line. You get that flush look that every B9 owner craves without needing a hacksaw. The stance is dead on, pulling the wheels out to meet the bodywork.
Caliper clearance is always a major concern with these factory S-line brakes. The OZR design provides plenty of room for the floating calipers up front. You won't need to slap on ugly spacers just to get the wheels to spin.
Hub bore fitment is spot on for the Audi 66.6mm center bore. We hate dealing with plastic rings that warp after a few hard heat cycles. These bolt right up and sit perfectly centered on the hubs.

The barrel depth gives the car a much meaner profile from the side. You can see the depth through the spokes as you walk toward the rear quarter. It turns a boring commuter into something that looks fast standing still.
Watch your inner fender liner if you drop the car too low on coils. This specific build sits low enough to look mean but leaves just enough room for travel. Don't push the offset too far, or you will eat your tires on the plastic tabs.
What We Recommend for Audi S4 2019 Owners
If you want this look, stick to an 18x8.5 or 19x9 setup. We find these widths provide the best handling characteristics for the Quattro system. Anything wider starts to tramline on grooved highway pavement.
Aim for an offset between ET35 and ET40 for that flush fitment. This range keeps the scrub radius near factory specs so the steering stays sharp. Avoid anything lower than ET30 unless you enjoy rubbing your sidewalls raw.
We always suggest a square setup for these AWD platforms. Staggered wheels on an Audi just invite drivetrain headaches and uneven tire wear. Keep all four corners matching so the computers stay happy.

For tires, go with a 245/35 or 255/35 rubber combo. A slightly wider tire helps protect the rim face from curb rash in tight spots. We prefer a performance summer compound to really exploit that turbocharged torque.
Don't fall for the trap of buying cheap, heavy cast wheels. The OZR brings a great weight-to-strength ratio that doesn't kill your acceleration. You want your unsprung mass as low as possible for better suspension response.
Finally, check your lug bolt seat type before you crank them down. Factory Audi bolts are ball seat, but many aftermarket wheels require conical seats. Buying the wrong bolts will ruin the wheel finish and lead to a dangerous vibration.
Style and Build Analysis
The Rotiform OZR brings a classic motorsport vibe to this modern sedan. The thin spokes draw the eye toward the center cap and the rotor assembly. It feels purposeful, like a car built for a canyon run rather than just a parking lot trophy.
This finish pops against the grey paint of the S4. It catches the sunlight and adds a layer of depth that the stock wheels lack. The contrast between the metallic paint and the wheel finish creates a sophisticated, cohesive look.

Proportions here are everything for the B9 chassis. The car looks longer and lower because of the wheel design choices. It avoids the dreaded monster-truck look that plagues too many stock luxury sedans.
We have featured plenty of S4s, but this one captures a unique spirit. It manages to look both professional enough for a client meeting and aggressive enough for a weekend blast. It succeeds because the owner kept the design language clean.
Road presence is truly the defining factor of this specific build. You notice the car from a block away because the wheels fill the negative space perfectly. It proves that you do not need wide-body kits to make a car look special.
Why We Love This Build
This S4 build hits us right in the gut. The way the light dances off those spokes while the car is rolling makes the whole frame look alive. We love how the wheels tuck right into those arches, showing off a stance that feels both intentional and incredibly refined.
It is the kind of car that makes you look back every single time you walk away. The OZR wheels transform the factory silhouette into something much more muscular and sharp. It is the perfect blend of German engineering and aftermarket flair.
This car reminds us why we fell in love with modifying in the first place. When the fitment is this dialed in, the entire vehicle feels complete. Go out and build something this clean.

Full Specs Breakdown
Here is exactly what this owner is running. We break down every detail so you can replicate this build or use it as a starting point for your own setup.
- Car Make & Model: Audi S4 2019
- Vehicle Color:
- Wheel Brand & Model: Rotiform OZR
- Wheel Size: 16″, 18″, 19″, 20″ / 16″, 18″, 19″, 20″
- Offset: Contact dealer
Before You Buy: Fitment Checklist

We talk to Audi S4 owners every day. These are the questions we hear most before they pull the trigger on new wheels.
Will 16″, 18″, 19″, 20″ / 16″, 18″, 19″, 20″-inch wheels fit my Audi S4? Yes, but fitment depends on width, offset, and tire size working together. A wrong offset means rubbing. A wrong tire size means poor handling. Always verify all three.
Do I need to modify my fenders? That depends on your offset and suspension. A conservative offset with stock ride height usually fits without modification. Go aggressive and you may need to roll or pull your fenders.
Can I daily-drive this setup? Absolutely. Thousands of Audi S4 owners run 16″, 18″, 19″, 20″ / 16″, 18″, 19″, 20″-inch wheels every day. The key is choosing the right tire with enough sidewall to absorb road imperfections.



