Cars Q&A

with a driving range of around 500 km.month, should i buy a petrol or a diesel car? i am generally out of my house for abt 4 months a year at a stretch, during which time the car may be revved about once a week. also i have a budget of abt 5-6 lacs and looking to buy a car by the end of the year, which model should i look for. we are a family of 5, looking for a hatchback only. please help