Auto S40, short rego, $1000 ono.
http://www.gumtree.com.au/s-ad/mount-druitt/cars-vans-utes/volvo-s40-t4-/1051816630
Auto S40, unreg, motor issues, $1000ono.
http://www.gumtree.com.au/s-ad/mount-druitt/cars-vans-utes/1998-volvo-s40-t4-sedan-1-9l-turbo-automatic/1051816883
Manual Phase2 S40, unreg, mechanical issues, $2000ono. (This one not so cheap, but worth mentioning because its a Phase2 manual. Also same seller as the previous one).
http://www.gumtree.com.au/s-ad/mount-druitt/cars-vans-utes/2001-volvo-s40-t4-sedan-1-9l-turbo-manual/1051816012
Manual V40, with some rear end damage. Unreg. $600ono.(This one not 100% confirmed as a T4, but wheels, leather and M56 all suggest it is).
http://www.gumtree.com.au/s-ad/hahndorf/cars-vans-utes/urgent-1999-volvo-s40-sedan/1051806040