Since I don't have an RS6 I've never posted here before, but a couple of folks over on QuattroWorld indicated that these wheels would also fit C5 RS6's, so here I am :-)
Here's my write-up on the wheels from the TOF.
Obviously, fitment info below is for an RS4. I cannot validate any RS6 fitments.
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For those of us who love wheels, these really need no introduction.
The P40S put HRE back on the top of the heap, and the P40SC is their recent lightweight revision which shaves another ~2 pounds per corner.
The result: a one-piece concave forged monoblock weighing in at under 23 pounds in 19x9.5.
Less than eight months old and under 7K miles logged.
No bends, scratches, or curb marks.
Even the insides of the barrels look new (even the weights have always been removed with a plastic scraper).
Only evidence of use are a few minor rock chips on some of the spokes, and some small concentric marks inside a few lug holes.
TPMS compatible (and I will throw in a set of OE TPMS sensors at $80/ea if requested).
Built to my requested specs (19x9.5ET23, 5x112, 57.1 centerbore).
Comfortably accommodates stock 255/35/19 (as pictured -- but shown with a 3mm front spacer and 10mm rear spacer for aesthetics -- not necessary).
With suitable suspension settings, can work with 275/30/19 as well.
If you're seriously interested please contact me and we can discuss pricing (as in: I'm open to negotiate, within reason).
While I'm not expecting to make back what I paid for these, please note that retail is a mildly terrifying $7500 ($1700/ea base + $175/ea for brushed aluminum).
I have all the original packaging and can ship anywhere in the lower 48.
Tires not included.
I'm happy to provide close-ups or other angles if desired.
Thanks for looking.