I am confused either to go for a petrol ver or diesel. My avg use will be around 500 to 750 Km pm. splits around 300 km in city and 450 in highway.I wish to know the maintanence cost differs between petrol and diesel ver. Neary 1 lac difference is found between the pet and dies ver. kindly guide me.. I want to keep this vehicle for next 5 to 7 years minimum. Previously I owned one Uno and had great problems for ass. at that time Tvs where the autho dealer. Now i came to know Tata has dealing with fiat and hope i can expect better ass. kindly assist me. much more difference which i have not mentioned. I thank u all in advance.