It's universally agreed the Quattro+sportsdiff is miles better than either x-drive or an Outback, that was why I said 'it's' AWD system.
No disagreement from me that the M3 is one of the easiest rwd cars to drive quickly but that's not the same as saying it's as easy or easier than what the S4 would be, especially with an extra 100+hp which was what I was explaining.
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