Hi,
my 2.0d manuel gearbox consume about 6,7l Diesel on 100km.
If i had a 2.0i it will be about 9-10l
I will always take the Diesel,even when the price off Gasoline is at a lower price
But i have a link for you where you can calculate a little
http://www.fuel-pilot.com/selection....e&locale=en_GR