Sorry to hear all the bad new.
I've owned an 05 SRX, now an 08 CTS4 and an 06 XLR and other than the marks on the roof of the XLR, i have never had problems with any of them.
My 03 Audi A4 Cab has given me all the headache. New tranny, wheel bearing, shorted out ignition coils, new piston to...