looking at buying a 2003 -2006 auto turbo ute and I have a few questions, Are there any significant problems with this model? For those who have owned one for a few years , whats the fuel econo like hwy & city ltrs /klm ? How waterproof is the rear section with the stock tonnue cover ? should I try and get one with the hardtop rear? Any tilers on here use this type of ute for work? pro's /cons? any help appreciated, Regards Trev