It's sway bars and springs are different, just not sure if the struts/springs are different too.
I would skip x drive as well due to weight, handling, mpgs, and appearance if your weather allows.
'98 Dinan/RMS stage 2+(VAC cams, CES Cutring etc)
'11 Saab 9-3 XWD tuned(wife)
'06 Saab 9-5 Combi 5mt tuned(Aero interior/Konis etc)