Cars Q&A

hi all, please compare vista quadrajet bs iv, swift diesel 2011, fiat punto in terms of LOW HEADACHE CAR in terms of maintenance and fuel economy. which is better option. me deepak, a headmaster in govt school owning santro. my daily run is 25-35 a day and more interested in diesel. i dont like ford. normally will b used for two persons. occasionally five. i want a car whether little expensive but must b low maintenance n fuel efficient in every term. suggest other models also. please guide.