This forum is for TDI (Turbo Direct Injection) questions/posts. Non-TDI Motors (Including the 1.6, and 1.9 or other variant turbo diesel motors) should go in the VW Diesel General Forum
Not much difference between the two, I believe. You'll have to look at engine and suspension to make a decision. "Clean" doesn't necessarily mean "maintained", but those who are meticulous about their cars generally don't neglect maintenance.