The XD was a new shape which brought about its fair share of rust issues. It was also the first Falcon to use an alloy cylinder head, which resulted in a number of warped cylinder heads and blown head gaskets. Paint quality was not too great and neither was the cooling system.
Blown head gaskets
Cooling system issues
Oil leaks
Be wary of aftermarket LPG systems
Faded paint
Rust on wagon tail gate
Air leaks
Failing distributor
Rear suspension issues
Faulty control relay
Vacuum advance unit issues Earthing issues