About This Audi S6 C7 Build
We love featuring real builds from real owners. This White Audi S6 C7 sits on a set of 21×9.5-inch BC Forged RS45 wheels, and the result speaks for itself.
The owner chose BC Forged for a reason. This brand delivers serious quality and a design language that turns heads at every car meet. We see hundreds of Audi S6 builds come through WheelFront every month, but this one stands out. The combination of the White exterior with the BC Forged RS45 creates a look that balances aggression with elegance.

Fitment Breakdown: BC Forged RS45 on the Audi S6 C7
I walked around this white S6 for twenty minutes just to soak in the stance. Running a 21x9.5 setup on the C7 platform changes the entire personality of the car. These BC Forged RS45 wheels fit perfectly within the arches without looking like a desperate plea for attention.
The ET35 offset hits the sweet spot for the C7 chassis. It pushes the face of the wheel just far enough to be flush with the fender line. You get that aggressive wide-track look without needing to pull or roll your metal.
Caliper clearance is always the elephant in the room with these big Audis. These RS45s clear the stock S6 brakes with room to spare. You will not deal with any annoying interference issues here.
The hub bore is machined specifically for the Audi 66.6 center bore. This means you skip the headache of plastic hub-centric rings. Everything bolts up tight and vibration-free.
Looking at the barrel depth, the design hides the weight well. The RS45 spoke profile curves inward just enough to add depth without cluttering the aesthetic. It is a clean, intentional design choice.
If you drop this car on lowering links or coilovers, watch the inner fender liners. A 21-inch wheel leaves very little room for error if you slam the car to the ground. Keep your alignment specs tight to avoid rubbing on the upper control arm bolts.

This setup works because it maintains the factory geometry while improving the grip footprint. It is precise engineering disguised as a style upgrade. I love how it sits when the air suspension bleeds out.
What We Recommend for Audi S6 C7 Owners
Do not go wider than 9.5 inches if you want to keep your sanity. Anything wider forces you into aggressive offsets that kill your scrub radius and steering feel. Stick to the 20 to 21-inch range for the best balance of looks and ride quality.
For the C7, I always suggest a square setup. Staggering wheels on an Quattro system is asking for trouble with your differentials. Keep all four corners identical to preserve the mechanical health of your drivetrain.
Watch your tire choice carefully. I see too many guys running cheap tires that ruin the handling of a heavy luxury sedan. Invest in a high-performance tire with a stiff sidewall to handle the weight of this platform.
A slight stretch on a 255 or 265 tire gives you that clean look without exposing the rim to every curb in the city. Avoid the "balloon tire" look at all costs. It ruins the aggressive lines of the BC Forged wheels.
Forget the spacers. If you order your wheels custom, like these RS45s, you should never need a spacer. Spacers add unnecessary unsprung weight and introduce potential failure points in your wheel studs.

Style and Build Analysis
The contrast on this build is absolute perfection. That bright, crisp white paint against the aggressive Matt Black finish creates a high-contrast theme. It looks mean, clinical, and purposeful all at once.
The RS45 design features sharp, angular spokes that mimic the aggressive front bumper lines of the S6. It ties the front and back of the car together. The dark finish also hides brake dust better than any silver or chrome wheel ever could.
When the sun hits the white body, the black wheels act as a dark anchor. It grounds the car and gives it a heavy, planted road presence. It makes the S6 look smaller and much more athletic than it does on stock wheels.
I have seen dozens of builds with generic multi-spoke wheels, but this hits different. The RS45 has a structural elegance that feels tailor-made for the German design language. It is not too busy, and it is not too simple.
This build proves that you do not need wild body kits to stand out. It relies on perfect proportions and a killer color scheme to do the heavy lifting. It is a masterclass in clean, understated modification.
Why We Love This Build
Every time I see this white S6 roll into a parking lot, I stop walking. The way the Matt Black RS45s fill those massive wheel arches makes the factory wheels look like toys. It turns a subtle executive cruiser into a street-legal monster that commands respect.
The light dances off the white curves while the wheels stay dark and menacing. You can see the pride in the owner's eyes because the fitment is spot-on. It is the perfect balance of luxury and aggression.
We see a lot of cars, but this one sticks in my memory. It inspires me to keep my own builds clean and focused. If you want to transform your C7, this is the exact blueprint you need to follow. Buy once, cry once, and get the fitment right the first time.

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 S6 C7
- Vehicle Color: White
- Wheel Brand & Model: BC Forged RS45
- Wheel Size: 21×9.5
- Offset: ET35
- Wheel Finish: Matt Black
Before You Buy: Fitment Checklist

We talk to Audi S6 owners every day. These are the questions we hear most before they pull the trigger on new wheels.
Will 21×9.5-inch wheels fit my Audi S6? 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 S6 owners run 21×9.5-inch wheels every day. The key is choosing the right tire with enough sidewall to absorb road imperfections.



