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      11-01-2019, 09:11 AM   #26
440xiGCMSport2
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Drives: EB440xiGC
Join Date: Sep 2018
Location: Canada

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I had a S4 with quattro and now have a 440 with xdrive. Sorry to say this but the Quattro with sport diff wins out outright. It just feels better with the mechanical diff especially when driving fast in the snow. More consistency is the key.
Dry performance is better on the BMW due to balance but not the xdrive.
The A4 has the haldex and is similiar system to BMW so to get real AWD Quattro you need to get S4 or RS4 and the sport diff makes a huge difference.