Which Volkswagen 1.2 three-cylinder diesels have timing belts and which have chains?

Does the latest Volkswagen 1.2 three-cylinder diesel use a timing belt or chain? I am considering a new or nearly new car, but try to avoid timing belts.

Does my Vauxhall Vectra estate have a timing belt or timing chain?

I have a Vauxhall Vectra estate, 1.9CDTi. Do you know if this car has a timing belt or a timing chain?

Is it worth replacing my 1992 Renault Clio's timing belt?

The timing has belt has broken on my 1992 Renault Clio RL which has over 117,000 miles on it. Without this problem what life was left in the engine? If it were to be repaired what other problems might...