Hello, I would like to know what a 99 year old Alfa Romeo 156 2.0 T-Spark with 114Kw consumes so much fuel?City and highway??? Is super lead-free or normal gasoline fueled? How are the 2.0 T-Spark engines at Alfa 156 in terms of reliability when looking at the higher Bj. so from 98? Ask for reviews of people who have or had this car and have dealt with it!!!