[align=right]edit delete [/align] Looking at buying a buddies wheel set from his 2002 S4 - 18in RS4 wheels.

Just want to make sure the A4 RS4 and A6 4.2 have the same bolt pattern. I believe they both have the same big brakes up front.

Thank you!

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2001 A6 4.2

Yup, 5x112 bolt pattern, they are the same. That is a sharp set of wheels/tires there.

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00 A6 2.8L Quattro

THIS IS A DUPLICATE POST. ANYTHING 5X112WILL FIT ON YOUR A6 BOTTOM LINE. THERE MAY BE AN INSTANCE WHERE YOU MAY NEED WHEEL SPACERS.

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Envied A6 - 2001 Silver Audi A6 2.7T Tiptronic, InMotion Stage 2 chip, Blitz custom intake, Dynomax Turbo custom exhaust, Custom down pipes, Turbosmart MBC, CF interior trim, arm rest, engine cover, air box cover, hood,trunk, mirrors, B pillars, eyebrows, H&R springs, H&R 5mm and 10mm wheel spacers, 19x9 Konig Next rims

Agree.....but you need to be wary of the offset. 5x112 is the standard size, but the offset plays into the picture with steering and clearing your calipers. 18" is the recommended size and 35mm offset should clear your calipers and not rub anywhere. 38mm has been known to work as well but with bigger calipers you might have an issue.

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2001 Audi A6 4.2 Sport - Silver
2004 Lexus IS 300 SD - Black