Cars Q&A

Hi, i am planning to go for a diesel car as my usage per day will be 50 km in hyderabad city.In my mind i have swift vdi and I 20 diesel but swift vdi is lost it fresh look but it got very good milage i heard and on the other hand I 20 got gorgeous look but heard complaints like not good milage even in diesel version and also problem with gear boxes... SO I am in big diallama now please advice what would wouldyou prefer if were in my postion.. same time i am not expert in car riding, just a beginner and same time i cam afford a car ranging uptp 7 lacks.. Finally as i am beginner do u thing i should prefer a used car ? Plese clarify my whole doubts, i would be very greatful..