Cars Q&A

I am very eager to buy new Ford Figo Diesel ZXI Model. I have following questions. (Car Experts Plz Guide Me) 1. What is average in City & On Highways (With A.C. On) 2. What would be my yearly maintenance Cost, As I am purchasing Diesel Car for 1st Time. 3. My City Run is 6000km per year & 1000Km on Highways. Lots of people have different views about whether I should go for petrol car or diesel car. Reason for going Diesel Car is -- Petrol Cars don't give good mileage & Petrol is Rs 55/- per leter. Please I want Some Serious Suggestions.. Also what other options in price segment 4.5 to 5.5 lakhs...