S4 (B8 Platform) Discussion Discussion forum for the B8 Audi S4 produced from 2009-2016

It is official, 2013 S4 with s-tronic have Crown Gear differential

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Old 09-13-2012, 04:58 PM
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Originally Posted by audiblitz
No better than the torsen, except for the 5lb weight reduction, which is pretty insignificant in a car with seats that weigh 150lb.

I don't want a center differential that biases torque around. I want it to lock and send an equal amount of power to both axles. This is how the Evo X ACD and Subaru DCCD works.

Then again, that doesn't make for a sexy sales pitch as 'from the wheels that slip to the wheels that grip', does it?
5 pounds matters when the part has an inertia. The seats don't.
Old 09-13-2012, 05:23 PM
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Originally Posted by rktskicar
nope.
is that a 2010 a4 ?
Old 06-02-2014, 04:11 PM
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Also this from the full press kit on page 11: http://audiusanews.com/download.do?id=2998 (also attached).

As far as doubt: after bringing the '13 in for service I asked the technician and the SA whether the car has crown gear or torsen, both said that it had the latter and that only RS had the crown gear.

I pinged Audi's live chat help and they confirmed pointing to the press kit.
Attached Files
File Type: pdf
13A4S4_MediaInfo.pdf (4.39 MB, 270 views)
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