questions about yrv turbo

Forum: 

hallo,guys.
I just got a used yrv turbo.I would like to ask about the consumption.When the consumption is smaller?when it is on fully automatic procedure(D4),or on the serial gears on the wheel? i am from greece and i don't know much about the specific car.
please answer my question because is very important for me to know how the car works...
thank you...