About This Audi S4 quattro AWD 4dr Sedan (4.2L 8cyl 6A) 2005 Build
We love featuring real builds from real owners. This Audi S4 quattro AWD 4dr Sedan (4.2L 8cyl 6A) 2005 sits on a set of 18×9.5 / 18×9.5-inch Enkei RPF1 wheels, and the result speaks for itself.
The owner chose Enkei 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 quattro AWD 4dr Sedan (4.2L 8cyl 6A) builds come through WheelFront every month, but this one stands out. The combination of the exterior with the Enkei RPF1 creates a look that balances aggression with elegance.

Fitment Breakdown: Enkei RPF1 on the Audi S4 quattro AWD 4dr Sedan (4.2L 8cyl 6A) 2005
Seeing this B6 S4 sitting on 18x9.5 Enkei RPF1s is a total masterclass in aggressive fitment. We rarely see the 22 offset pushed this hard on a chassis known for tight clearances. That low offset shoves the wheels way out toward the fenders, creating a track-ready stance that demands attention.
The 9.5-inch width forces the tires to hug the fenders just right. You definitely need to watch your inner clearance against the uprights, but the RPF1 design handles the big Audi calipers with ease. The iconic spoke profile clears those massive brakes without needing a spacer, which keeps your scrub radius exactly where it needs to be.
Hub bore is the big hurdle here for most S4 owners. You must run high-quality hub-centric rings to ensure you do not get any vibration at highway speeds. Since the center bore on these Enkeis is large, the rings are non-negotiable for a smooth ride.
The air suspension setup changes the whole game for this build. At ride height, the car looks mean and purposeful. When you air out, the wheels tuck right up into the arches, showing off that custom finish perfectly.
You have to be careful with your fender liner tabs up front. With 18x9.5 wheels at a 22 offset, the tire will graze the plastic lining during tight turns if you are too low. We suggest a subtle trim to keep the paint from cracking.

The barrel depth on these 18-inch wheels gives the car a deep, concave look that stock wheels lack. It creates a bold, industrial aesthetic that screams performance. The RPF1s are lightweight, which helps the 4.2L V8 feel a lot more nimble through the corners.
Overall, this setup is aggressive bordering on extreme. If you love a flush look that pushes the limits of the B6 body, this specific fitment hits the bullseye. It is not for the faint of heart, but the visual reward is undeniable.
What We Recommend for Audi S4 quattro AWD 4dr Sedan (4.2L 8cyl 6A) 2005 Owners
If you want to replicate this look, start with your tire choice. A 235 or 245 width tire gives you that slight stretch needed to clear the fender lip at low offsets. Do not go too wide, or you will be fighting fender scrub every time you hit a bump.
For most daily drivers, we suggest staying closer to a 35 or 40 offset. It makes fitting the wheels much easier without needing extensive body work. You keep the geometry clean and avoid the headache of constant rubbing.
We always recommend a square setup for the B6 platform. You want to rotate your tires to keep that AWD system happy and even. Staggered setups can confuse the Quattro system if your rolling diameters do not match perfectly.

Do not skip the alignment shop after you bolt these on. A little bit of negative camber goes a long way in tucking the top of the tire inside the fender. It keeps the car drivable and saves your fenders from getting shredded.
Be honest with yourself about your roads. These wide 9.5-inch wheels are magnets for potholes when you run a lower profile tire. Keep an eye on your tire pressure and avoid the nasty ruts to keep your rims straight.
Style and Build Analysis
The custom finish on these Enkei RPF1s transforms the entire vibe of this S4. The contrast against the factory paint makes the wheels pop from a block away. It feels like a modern update to a classic German silhouette.
RPF1s are usually known for their race-car utility, but this finish makes them look like a high-end street piece. The wheels look substantial and premium rather than just utilitarian. They bridge the gap between track weapon and show car perfectly.
The stance is pure aggression. You can tell this car is built to be driven, not just parked at a show. The wide footprint makes the S4 look like it is ready to pounce, emphasizing the muscular fenders of the B6 chassis.

Compared to other builds, this one feels very intentional. Many owners just slap on wheels, but the color matching here shows real thought. It ties the whole design together without looking over-the-top or gaudy.
Proportions are everything on this car, and the 18-inch diameter is the sweet spot. It provides enough sidewall to look meaty while leaving plenty of room for that air suspension to shine. The car looks planted, wide, and absolutely nailed to the pavement.
Why We Love This Build
This Audi S4 is the perfect example of how to modernize a timeless platform. The custom finish on the RPF1s catches the light in a way that stock wheels simply cannot. When the suspension airs out, the way the spokes frame the rotors is pure automotive art. It makes us want to clear out our own garages and start a project immediately.
There is an undeniable mechanical beauty to this car. It balances the aggression of a race-ready wheel with the sophisticated lines of a V8 sedan. Seeing it move down the road is like watching a heavy hitter finally get into perfect shape. It is bold, loud, and hits every single mark of a top-tier street build.
This is exactly why we obsess over wheel fitment. It changes the soul of the machine. Get your offset right and your car will never look the same again.

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 quattro AWD 4dr Sedan (4.2L 8cyl 6A) 2005
- Vehicle Color:
- Wheel Brand & Model: Enkei RPF1
- Wheel Size: 18×9.5 / 18×9.5
- Offset: 22 / 22
- Wheel Finish: Custom
- Tires: Federal SS595 225/35 24.2″x8.9″ / 225/35 24.2″x8.9″
- Suspension: Air Suspension
Before You Buy: Fitment Checklist

We talk to Audi S4 quattro AWD 4dr Sedan (4.2L 8cyl 6A) owners every day. These are the questions we hear most before they pull the trigger on new wheels.
Will 18×9.5 / 18×9.5-inch wheels fit my Audi S4 quattro AWD 4dr Sedan (4.2L 8cyl 6A)? 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 quattro AWD 4dr Sedan (4.2L 8cyl 6A) owners run 18×9.5 / 18×9.5-inch wheels every day. The key is choosing the right tire with enough sidewall to absorb road imperfections.









