2003 A4 1.8T avant quattro: to hitch or not to hitch: that is the question

Hi there, I have specifically shyed away from A6 2.7T and sport package on A4 to have some meaningful road clearance to navigate snowpiles around here.
Now I read this tread: http://forums.audiworld.com/showthread.php?t '90428
and I've got to ask: how much do I give up with a hitch?
I was planning to attach a bike rack to A4 but now considering to use my beater for the task.
Also, this: http://www.autoanything.com/towing/73A3874A0A0.aspx allows to select the curt hitch for sedan trim only. Does 2003 wago,er,avant has a different subframe than 2003 sedan?
Haven't seen a hitched A4 around here: euro style or US so any input is welcome.

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